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- description Publication- keyboard_double_arrow_right Article , Other literature type , Journal 2019 United Kingdom, Australia, United Kingdom, United Kingdom, United Kingdom, Brazil, United Kingdom, Brazil- Publisher:Frontiers Media SA Funded by:UKRI | BIOmes of Brasil - Resili..., EC | GEOCARBON, EC | GEM-TRAIT +1 projectsUKRI| BIOmes of Brasil - Resilience, rEcovery, and Diversity: BIO-RED ,EC| GEOCARBON ,EC| GEM-TRAIT ,UKRI| Amazon Integrated Carbon Analysis / AMAZONICASophie Fauset; Manuel Gloor; Nikolaos M. Fyllas; Oliver L. Phillips; Gregory P. Asner; Timothy R. Baker; Lisa Patrick Bentley; Roel J. W. Brienen; Bradley O. Christoffersen; Jhon del Aguila-Pasquel; Christopher E. Doughty; Ted R. Feldpausch; David R. Galbraith; Rosa C. Goodman; Cécile A. J. Girardin; Euridice N. Honorio Coronado; Abel Monteagudo; Norma Salinas; Norma Salinas; Alexander Shenkin; Javier E. Silva-Espejo; Geertje van der Heijden; Rodolfo Vasquez; Esteban Alvarez-Davila; Luzmila Arroyo; Jorcely G. Barroso; Foster Brown; Wendeson Castro; Fernando Cornejo Valverde; Nallarett Davila Cardozo; Anthony Di Fiore; Terry Erwin; Isau Huamantupa-Chuquimaco; Isau Huamantupa-Chuquimaco; Percy Núñez Vargas; David Neill; Nadir Pallqui Camacho; Nadir Pallqui Camacho; Alexander Parada Gutierrez; Julie Peacock; Nigel Pitman; Nigel Pitman; Adriana Prieto; Zorayda Restrepo; Zorayda Restrepo; Agustín Rudas; Carlos A. Quesada; Marcos Silveira; Juliana Stropp; John Terborgh; John Terborgh; Simone A. Vieira; Yadvinder Malhi;- handle: 10023/24447 , 10871/38216 - On pense que le climat, la composition des espèces et les sols contrôlent le cycle du carbone et la structure des forêts amazoniennes. Ici, nous ajoutons un schéma démographique (recrutement, croissance et mortalité des arbres) à un modèle non démographique récemment développé - le simulateur de forêt basé sur les traits (TFS) – pour explorer les rôles du climat et des traits des plantes dans le contrôle de la productivité et de la structure des forêts. Nous avons comparé deux sites avec des climats différents (précipitations saisonnières versus saisonnières) et des traits végétaux. Grâce à une simulation de validation initiale, nous avons évalué si le modèle converge sur les propriétés forestières observées (productivité, variables démographiques et structurelles) en utilisant des ensembles de données de traits fonctionnels, de structure et de climat pour modéliser le cycle du carbone aux deux sites. Dans un deuxième ensemble de simulations, nous avons testé l'importance relative du climat et des traits végétaux pour les propriétés forestières dans le cadre de la TFS en utilisant le climat des deux sites avec des distributions de traits hypothétiques représentant deux axes de variation fonctionnelle (traits foliaires « rapides » par rapport à « lents » et densité de bois élevée par rapport à faible). Le modèle adapté avec les données démographiques reproduit la variation observée de la production primaire brute (GPP) et nette (NPP) et de la respiration. Cependant, la NPP et la respiration au niveau des organes de la plante (feuille, tige et racine) ont été mal simulées. Les taux de mortalité et de recrutement ont été sous-estimés. La structure de la forêt d'équilibre différait des observations du nombre de tiges suggérant soit que les forêts ne sont pas actuellement à l'équilibre, soit que des mécanismes sont absents du modèle. Les résultats de la deuxième série de simulations ont démontré que les différences de productivité étaient attribuables au climat plutôt qu'aux caractéristiques des plantes. Contrairement aux attentes, la variation des traits foliaires n'a eu aucune influence sur la GPP. Les moteurs de la structure forestière simulée étaient complexes, avec un rôle clé pour la densité du bois médiée par son lien avec la mortalité des arbres. La mortalité et les taux de recrutement modélisés étaient liés aux seuls traits des plantes, la mortalité liée à la sécheresse n'était pas prise en compte. À l'avenir, le développement du modèle devrait se concentrer sur l'amélioration de l'allocation, de la mortalité, de la respiration des organes, de la simulation des arbres du sous-étage et de l'ajout de traits hydrauliques. Ce type de modèle qui intègre diverses stratégies d'arbres, une structure forestière détaillée et une physiologie réaliste est nécessaire si nous voulons être en mesure de simuler les réponses des forêts tropicales aux scénarios de changement global. Se cree que el clima, la composición de las especies y los suelos controlan el ciclo del carbono y la estructura forestal en los bosques amazónicos. Aquí, agregamos un esquema demográfico (reclutamiento, crecimiento y mortalidad de árboles) a un modelo no demográfico recientemente desarrollado, el Simulador Forestal Basado en Rasgos (TFS), para explorar los roles del clima y los rasgos de las plantas en el control de la productividad y la estructura forestal. Comparamos dos sitios con diferentes climas (precipitación estacional versus estacional) y rasgos de plantas. A través de una simulación de validación inicial, evaluamos si el modelo converge en las propiedades forestales observadas (productividad, variables demográficas y estructurales) utilizando conjuntos de datos de rasgos funcionales, estructura y clima para modelar el ciclo del carbono en los dos sitios. En un segundo conjunto de simulaciones, probamos la importancia relativa de los rasgos climáticos y vegetales para las propiedades forestales dentro del marco de TFS utilizando el clima de los dos sitios con distribuciones hipotéticas de rasgos que representan dos ejes de variación funcional (rasgos de hojas 'rápidas' versus 'lentas' y alta versus baja densidad de madera). El modelo adaptado con datos demográficos reprodujo la variación observada en la producción primaria bruta (GPP) y neta (NPP) y la respiración. Sin embargo, la NPP y la respiración a nivel de los órganos de la planta (hoja, tallo y raíz) se simularon mal. Las tasas de mortalidad y reclutamiento se subestimaron. La estructura del bosque en equilibrio difería de lo observado en el número de tallos, lo que sugiere que los bosques no están actualmente en equilibrio o que faltan mecanismos en el modelo. Los hallazgos del segundo conjunto de simulaciones demostraron que las diferencias en la productividad fueron impulsadas por el clima, en lugar de los rasgos de las plantas. Contrariamente a lo esperado, los rasgos foliares variables no tuvieron influencia en la GPP. Los impulsores de la estructura forestal simulada eran complejos, con un papel clave para la densidad de la madera mediada por su vínculo con la mortalidad de los árboles. Las tasas de mortalidad y reclutamiento modeladas se vincularon solo a los rasgos de las plantas, no se tuvo en cuenta la mortalidad relacionada con la sequía. En el futuro, el desarrollo del modelo debe centrarse en mejorar la asignación, la mortalidad, la respiración de órganos, la simulación de árboles de sotobosque y la adición de rasgos hidráulicos. Este tipo de modelo que incorpora diversas estrategias de árboles, una estructura forestal detallada y una fisiología realista es necesario si queremos poder simular las respuestas de los bosques tropicales a los escenarios de cambio global. Climate, species composition, and soils are thought to control carbon cycling and forest structure in Amazonian forests. Here, we add a demographics scheme (tree recruitment, growth, and mortality) to a recently developed non-demographic model - the Trait-based Forest Simulator (TFS) – to explore the roles of climate and plant traits in controlling forest productivity and structure. We compared two sites with differing climates (seasonal versus aseasonal precipitation) and plant traits. Through an initial validation simulation, we assessed whether the model converges on observed forest properties (productivity, demographic and structural variables) using datasets of functional traits, structure, and climate to model the carbon cycle at the two sites. In a second set of simulations, we tested the relative importance of climate and plant traits for forest properties within the TFS framework using the climate from the two sites with hypothetical trait distributions representing two axes of functional variation ('fast' versus 'slow' leaf traits, and high versus low wood density). The adapted model with demographics reproduced observed variation in gross (GPP) and net (NPP) primary production, and respiration. However NPP and respiration at the level of plant organs (leaf, stem, and root) were poorly simulated. Mortality and recruitment rates were underestimated. The equilibrium forest structure differed from observations of stem numbers suggesting either that the forests are not currently at equilibrium or that mechanisms are missing from the model. Findings from the second set of simulations demonstrated that differences in productivity were driven by climate, rather than plant traits. Contrary to expectation, varying leaf traits had no influence on GPP. Drivers of simulated forest structure were complex, with a key role for wood density mediated by its link to tree mortality. Modelled mortality and recruitment rates were linked to plant traits alone, drought-related mortality was not accounted for. In future, model development should focus on improving allocation, mortality, organ respiration, simulation of understory trees and adding hydraulic traits. This type of model that incorporates diverse tree strategies, detailed forest structure and realistic physiology is necessary if we are to be able to simulate tropical forest responses to global change scenarios. يُعتقد أن المناخ وتكوين الأنواع والتربة تتحكم في دورة الكربون وهيكل الغابات في غابات الأمازون. هنا، نضيف مخططًا ديموغرافيًا (تجنيد الأشجار والنمو والوفيات) إلى نموذج غير ديموغرافي تم تطويره مؤخرًا - محاكي الغابات القائم على السمات (TFS) – لاستكشاف أدوار المناخ والسمات النباتية في التحكم في إنتاجية الغابات وهيكلها. قارنا موقعين بمناخين مختلفين (هطول الأمطار الموسمية مقابل هطول الأمطار الموسمية) وسمات النبات. من خلال محاكاة التحقق الأولية، قمنا بتقييم ما إذا كان النموذج يتقارب مع خصائص الغابات المرصودة (الإنتاجية والمتغيرات الديموغرافية والهيكلية) باستخدام مجموعات بيانات من السمات الوظيفية والهيكل والمناخ لنمذجة دورة الكربون في الموقعين. في مجموعة ثانية من عمليات المحاكاة، اختبرنا الأهمية النسبية للمناخ والسمات النباتية لخصائص الغابات ضمن إطار TFS باستخدام المناخ من الموقعين مع توزيعات سمات افتراضية تمثل محورين من التباين الوظيفي (سمات الأوراق "السريعة" مقابل "البطيئة"، والكثافة الخشبية العالية مقابل المنخفضة). أدى النموذج المعدل مع التركيبة السكانية إلى إعادة إنتاج التباين الملحوظ في الإنتاج الأولي الإجمالي (GPP) والصافي (NPP) والتنفس. ومع ذلك، تمت محاكاة NPP والتنفس على مستوى الأعضاء النباتية (الورقة والجذع والجذر) بشكل سيئ. تم التقليل من شأن معدلات الوفيات والتجنيد. اختلفت بنية غابة التوازن عن ملاحظات أرقام الساق التي تشير إما إلى أن الغابات ليست في حالة توازن حاليًا أو أن الآليات مفقودة من النموذج. أظهرت النتائج المستخلصة من المجموعة الثانية من عمليات المحاكاة أن الاختلافات في الإنتاجية كانت مدفوعة بالمناخ، وليس بالسمات النباتية. على عكس التوقعات، لم يكن لسمات الأوراق المختلفة أي تأثير على GPP. كانت محركات بنية الغابات المحاكاة معقدة، مع دور رئيسي لكثافة الأخشاب التي يتوسطها ارتباطها بموت الأشجار. تم ربط معدلات الوفيات والتجنيد النموذجية بسمات النبات وحدها، ولم يتم احتساب الوفيات المرتبطة بالجفاف. في المستقبل، يجب أن يركز تطوير النموذج على تحسين التخصيص والوفيات وتنفس الأعضاء ومحاكاة الأشجار تحت الأرض وإضافة سمات هيدروليكية. هذا النوع من النماذج الذي يتضمن استراتيجيات متنوعة للأشجار وبنية مفصلة للغابات وعلم وظائف الأعضاء الواقعي ضروري إذا أردنا أن نكون قادرين على محاكاة استجابات الغابات الاستوائية لسيناريوهات التغير العالمي. - Frontiers in Earth S... - arrow_drop_down Repositório do INPAArticle . 2019License: CC BY NC NDData sources: Bielefeld Academic Search Engine (BASE)Open Research ExeterArticle . 2019License: CC BYFull-Text: http://hdl.handle.net/10871/38216Data sources: Bielefeld Academic Search Engine (BASE)University of St Andrews: Digital Research RepositoryArticle . 2021License: CC BYFull-Text: https://hdl.handle.net/10023/24447Data sources: Bielefeld Academic Search Engine (BASE)James Cook University, Australia: ResearchOnline@JCUArticle . 2019Full-Text: https://doi.org/10.3389/feart.2019.00083Data sources: Bielefeld Academic Search Engine (BASE)St Andrews Research RepositoryArticle . 2019 . Peer-reviewedData sources: St Andrews Research Repository- add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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- description Publication- keyboard_double_arrow_right Article , Conference object , Other literature type , Journal 2017 Australia- Publisher:Springer Science and Business Media LLC Funded by:UKRI | Niche evolution of South ..., UKRI | Tropical Biomes in Transi..., UKRI | Assessing the Impacts of ... +4 projectsUKRI| Niche evolution of South American trees and its consequences ,UKRI| Tropical Biomes in Transition ,UKRI| Assessing the Impacts of the Recent Amazonian Drought ,EC| GEOCARBON ,EC| T-FORCES ,UKRI| Amazon Integrated Carbon Analysis / AMAZONICA ,UKRI| Assessing the impacts of the 2010 drought on Amazon zone of transitionPhillips, Oliver L.; Brienen, Roel J.W.; Gloor, E.; Baker, T. R.; Lloyd, Jon; Lopez-Gonzalez, G.; Monteagudo-Mendoza, A.; Malhi, Y.; Lewis, S. L.; Vásquez Martinez, R.; Alexiades, M.; Álvarez Dávila, E.; Alvarez-Loayza, P.; Andrade, A.; Aragão, L. E.O.C.; Araujo-Murakami, A.; Arets, E. J.M.M.; Arroyo, L.; Aymard, G. A.; Bánki, O. S.; Baraloto, C.; Barroso, J.; Bonal, D.; Boot, R. G.A.; Camargo, J. L.C.; Castilho, C. V.; Chama, V.; Chao, K. J.; Chave, J.; Comiskey, J. A.; Valverde, F. Cornejo; da Costa, L.; de Oliveira, E. A.; Di Fiore, A.; Erwin, T. L.; Fauset, S.; Forsthofer, M.; Galbraith, D. R.; Grahame, E. S.; Groot, N.; Hérault, B.; Higuchi, N.; Honorio Coronado, E. N.; Keeling, H.; Killeen, T. J.; Laurance, William F.; Laurance, Susan; Licona, J.; Magnusson, W. E.; Marimon, B. S.; Marimon-Junior, B. H.; Mendoza, C.; Neill, D. A.; Nogueira, E. M.; Núñez, P.; Pallqui Camacho, N. C.; Parada, A.; Pardo-Molina, G.; Peacock, J.; Peña-Claros, M.; Pickavance, G. C.; Pitman, N. C.A.; Poorter, L.; Prieto, A.; Quesada, C. A.; Ramírez, F.; Ramírez-Angulo, H.; Restrepo, Z.; Roopsind, A.; Rudas, A.; Salomão, R. P.; Schwarz, M.; Silva, N.; Silva-Espejo, J. E.; Silveira, M.; Stropp, J.; Talbot, J.; ter Steege, H.; Teran-Aguilar, J.; Terborgh, J.; Thomas-Caesar, R.; Toledo, M.; Torello-Raventos, M.; Umetsu, K.; van der Heijden, G. M.F.; van der Hout, P.; Guimarães Vieira, I. C.; Vieira, S. A.; Vilanova, E.; Vos, V. A.; Zagt, R. J.; Alarcon, A.; Amaral, I.; Camargo, P. P.Barbosa; Brown, I. F.; Blanc, L.; Burban, B.; Cardozo, N.; Engel, J.; de Freitas, M. A.; RAINFOR Collaboration;- Several independent lines of evidence suggest that Amazon forests have provided a significant carbon sink service, and also that the Amazon carbon sink in intact, mature forests may now be threatened as a result of different processes. There has however been no work done to quantify non-land-use-change forest carbon fluxes on a national basis within Amazonia, or to place these national fluxes and their possible changes in the context of the major anthropogenic carbon fluxes in the region. Here we present a first attempt to interpret results from ground-based monitoring of mature forest carbon fluxes in a biogeographically, politically, and temporally differentiated way. Specifically, using results from a large long-term network of forest plots, we estimate the Amazon biomass carbon balance over the last three decades for the different regions and nine nations of Amazonia, and evaluate the magnitude and trajectory of these differentiated balances in relation to major national anthropogenic carbon emissions.The sink of carbon into mature forests has been remarkably geographically ubiquitous across Amazonia, being substantial and persistent in each of the five biogeographic regions within Amazonia. Between 1980 and 2010, it has more than mitigated the fossil fuel emissions of every single national economy, except that of Venezuela. For most nations (Bolivia, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname) the sink has probably additionally mitigated all anthropogenic carbon emissions due to Amazon deforestation and other land use change. While the sink has weakened in some regions since 2000, our analysis suggests that Amazon nations which are able to conserve large areas of natural and semi-natural landscape still contribute globally-significant carbon sequestration.Mature forests across all of Amazonia have contributed significantly to mitigating climate change for decades. Yet Amazon nations have not directly benefited from providing this global scale ecosystem service. We suggest that better monitoring and reporting of the carbon fluxes within mature forests, and understanding the drivers of changes in their balance, must become national, as well as international, priorities. - James Cook Universit... - arrow_drop_down James Cook University, Australia: ResearchOnline@JCUArticle . 2017Full-Text: https://doi.org/10.1186/s13021-016-0069-2Data sources: Bielefeld Academic Search Engine (BASE)- add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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 You have already added works in your ORCID record related to the merged Research product.All Research products- arrow_drop_down - <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1186/s13021-016-0069-2&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu- more_vert - James Cook Universit... - arrow_drop_down James Cook University, Australia: ResearchOnline@JCUArticle . 2017Full-Text: https://doi.org/10.1186/s13021-016-0069-2Data sources: Bielefeld Academic Search Engine (BASE)- add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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- description Publication- keyboard_double_arrow_right Article , Other literature type 2024Embargo end date: 01 Jan 2024 Italy, United Kingdom, Italy, Italy, Austria, United Kingdom, France, France, United Kingdom, Switzerland, Netherlands, Belgium, Germany, Germany, United Kingdom, United States, United Kingdom, Denmark, Italy, Germany- Publisher:Springer Science and Business Media LLC Funded by:EC | T-FORCES, UKRI | Biodiversity, carbon stor..., UKRI | Assessing the Impacts of ... +7 projectsEC| T-FORCES ,UKRI| Biodiversity, carbon storage, and productivity of the world's tropical forests. ,UKRI| Assessing the Impacts of the Recent Amazonian Drought ,EC| FUNDIVEUROPE ,UKRI| BioResilience: Biodiversity resilience and ecosystem services in post-conflict socio-ecological systems in Colombia ,UKRI| ARBOLES: A trait-based Understanding of LATAM Forest Biodiversity and Resilience ,UKRI| Do past fires explain current carbon dynamics of Amazonian forests? ,UKRI| FAPESP - Amazon PyroCarbon: Quantifying soil carbon responses to fire and climate change ,UKRI| Tropical Biomes in Transition ,UKRI| Niche evolution of South American trees and its consequencesMo, Lidong; Crowther, Thomas; Maynard, Daniel; van den Hoogen, Johan; Ma, Haozhi; Bialic-Murphy, Lalasia; Liang, Jingjing; De-Miguel, Sergio; Nabuurs, Gert-Jan; Reich, Peter; Phillips, Oliver; Abegg, Meinrad; Adou Yao, Yves; Alberti, Giorgio; Almeyda Zambrano, Angelica; Alvarado, Braulio Vilchez; Alvarez-Dávila, Esteban; Alvarez-Loayza, Patricia; Alves, Luciana; Amaral, Iêda; Ammer, Christian; Antón-Fernández, Clara; Araujo-Murakami, Alejandro; Arroyo, Luzmila; Avitabile, Valerio; Aymard, Gerardo; Baker, Timothy; Bałazy, Radomir; Banki, Olaf; Barroso, Jorcely; Bastian, Meredith; Bastin, Jean-Francois; Birigazzi, Luca; Birnbaum, Philippe; Bitariho, Robert; Boeckx, Pascal; Bongers, Frans; Boonman, Coline; Bouriaud, Olivier; Brancalion, Pedro; Brandl, Susanne; Brearley, Francis; Brienen, Roel; Broadbent, Eben; Bruelheide, Helge; Bussotti, Filippo; Gatti, Roberto Cazzolla; César, Ricardo; Cesljar, Goran; Chazdon, Robin; Chen, Han; Chisholm, Chelsea; Cho, Hyunkook; Cienciala, Emil; Clark, Connie; Clark, David; Colletta, Gabriel; Coomes, David; Valverde, Fernando Cornejo; Corral-Rivas, José; Crim, Philip; Cumming, Jonathan; Dayanandan, Selvadurai; de Gasper, André; Decuyper, Mathieu; Derroire, Géraldine; Devries, Ben; Djordjevic, Ilija; Dolezal, Jiri; Dourdain, Aurélie; Engone Obiang, Nestor Laurier; Enquist, Brian; Eyre, Teresa; Fandohan, Adandé Belarmain; Fayle, Tom; Feldpausch, Ted; Ferreira, Leandro; Finér, Leena; Fischer, Markus; Fletcher, Christine; Frizzera, Lorenzo; Gamarra, Javier; Gianelle, Damiano; Glick, Henry; Harris, David; Hector, Andrew; Hemp, Andreas; Hengeveld, Geerten; Hérault, Bruno; Herbohn, John; Herold, Martin; Hietz, Peter; Hillers, Annika; Honorio Coronado, Eurídice; Hui, Cang; Ibanez, Thomas; Imai, Nobuo; Jagodziński, Andrzej; Jaroszewicz, Bogdan; Johannsen, Vivian Kvist; Joly, Carlos; Jucker, Tommaso; Jung, Ilbin; Karminov, Viktor; Kartawinata, Kuswata; Kearsley, Elizabeth; Kenfack, David; Kennard, Deborah; Kepfer-Rojas, Sebastian; Keppel, Gunnar; Khan, Mohammed Latif; Killeen, Timothy; Kim, Hyun Seok; Kitayama, Kanehiro; Köhl, Michael; Korjus, Henn; Kraxner, Florian; Kucher, Dmitry; Laarmann, Diana; Lang, Mait; Lewis, Simon; Li, Yuanzhi; Lopez-Gonzalez, Gabriela; Lu, Huicui; Lukina, Natalia; Maitner, Brian; Malhi, Yadvinder; Marcon, Eric; Marimon, Beatriz Schwantes; Marimon-Junior, Ben Hur; Marshall, Andrew; Martin, Emanuel; Mccarthy, James; Meave, Jorge; Melo-Cruz, Omar; Mendoza, Casimiro; Mendoza-Polo, Irina; Miscicki, Stanislaw; Merow, Cory; Mendoza, Abel Monteagudo; Moreno, Vanessa; Mukul, Sharif; Mundhenk, Philip; Nava-Miranda, María Guadalupe; Neill, David; Neldner, Victor; Nevenic, Radovan; Ngugi, Michael; Niklaus, Pascal; Ontikov, Petr; Ortiz-Malavasi, Edgar; Pan, Yude; Paquette, Alain; Parada-Gutierrez, Alexander; Parfenova, Elena; Park, Minjee; Parren, Marc; Parthasarathy, Narayanaswamy; Peri, Pablo; Pfautsch, Sebastian; Picard, Nicolas; Piedade, Maria Teresa F.; Piotto, Daniel; Pitman, Nigel; Poorter, Lourens; Poulsen, Axel Dalberg; Poulsen, John; Pretzsch, Hans; Arevalo, Freddy Ramirez; Restrepo-Correa, Zorayda; Richardson, Sarah; Rodeghiero, Mirco; Rolim, Samir; Roopsind, Anand; Rovero, Francesco; Rutishauser, Ervan; Saikia, Purabi; Salas-Eljatib, Christian; Saner, Philippe; Schall, Peter; Schelhaas, Mart-Jan; Schepaschenko, Dmitry; Scherer-Lorenzen, Michael; Schmid, Bernhard; Schöngart, Jochen; Searle, Eric; Seben, Vladimír; Serra-Diaz, Josep; Sheil, Douglas; Shvidenko, Anatoly; da Silva, Ana Carolina; Silva-Espejo, Javier; Silveira, Marcos; Singh, James; Sist, Plinio; Slik, Ferry; Sonké, Bonaventure; Sosinski, Enio Egon; Souza, Alexandre; Stereńczak, Krzysztof;- pmid: 39406932 - pmc: PMC11618071 - AbstractThe density of wood is a key indicator of the carbon investment strategies of trees, impacting productivity and carbon storage. Despite its importance, the global variation in wood density and its environmental controls remain poorly understood, preventing accurate predictions of global forest carbon stocks. Here we analyse information from 1.1 million forest inventory plots alongside wood density data from 10,703 tree species to create a spatially explicit understanding of the global wood density distribution and its drivers. Our findings reveal a pronounced latitudinal gradient, with wood in tropical forests being up to 30% denser than that in boreal forests. In both angiosperms and gymnosperms, hydrothermal conditions represented by annual mean temperature and soil moisture emerged as the primary factors influencing the variation in wood density globally. This indicates similar environmental filters and evolutionary adaptations among distinct plant groups, underscoring the essential role of abiotic factors in determining wood density in forest ecosystems. Additionally, our study highlights the prominent role of disturbance, such as human modification and fire risk, in influencing wood density at more local scales. Factoring in the spatial variation of wood density notably changes the estimates of forest carbon stocks, leading to differences of up to 21% within biomes. Therefore, our research contributes to a deeper understanding of terrestrial biomass distribution and how environmental changes and disturbances impact forest ecosystems. - Archivio istituziona... - arrow_drop_down University of California: eScholarshipArticle . 2024License: CC BYFull-Text: https://escholarship.org/uc/item/0ww862ndData sources: Bielefeld Academic Search Engine (BASE)KITopen (Karlsruhe Institute of Technologie)Article . 2024License: CC BYData sources: Bielefeld Academic Search Engine (BASE)Fondazione Edmund Mach: IRIS-OpenPubArticle . 2024Full-Text: https://hdl.handle.net/10449/88495Data sources: Bielefeld Academic Search Engine (BASE)Oxford University Research ArchiveArticle . 2024License: CC BYData sources: Oxford University Research ArchiveCopenhagen University Research Information SystemArticle . 2024Data sources: Copenhagen University Research Information Systeme-space at Manchester Metropolitan UniversityArticle . 2024Data sources: e-space at Manchester Metropolitan UniversityeScholarship - University of CaliforniaArticle . 2024Data sources: eScholarship - University of CaliforniaWageningen Staff PublicationsArticle . 2024License: CC BYData sources: Wageningen Staff PublicationsGFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)Article . 2024License: CC BYData sources: Bielefeld Academic Search Engine (BASE)University of Copenhagen: ResearchArticle . 2024Data sources: Bielefeld Academic Search Engine (BASE)University of Bristol: Bristol ResearchArticle . 2024Data sources: Bielefeld Academic Search Engine (BASE)Institut National de la Recherche Agronomique: ProdINRAArticle . 2024Data sources: Bielefeld Academic Search Engine (BASE)Ghent University Academic BibliographyArticle . 2024Data sources: Ghent University Academic BibliographyNaturalis Institutional RepositoryArticle . 2024Data sources: Bielefeld Academic Search Engine (BASE)- add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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 You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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- description Publication- keyboard_double_arrow_right Article , Journal 2009 Netherlands, France, France, Brazil, France, Brazil, France, France, France, France, Spain, Australia- Publisher:Wiley Funded by:UKRI | Assessing the Impacts of ...UKRI| Assessing the Impacts of the Recent Amazonian DroughtGloor, M.; Phillips, Oliver L.; Lloyd, J.J.; Lewis, Simon L.; Malhi, Yadvinder; Baker, T.R.; Lopez-Gonzales, G.; Peacock, J.; Almeida, S.; Alves de Oliveira, Alessandro-C.; Alvarez, E.; Amaral, I.; Arroyo, L.; Aymard, G.; Banki, O.; Blanc, Lilian; Bonal, Damien; Brando, P.; Chao, Kuo-Jung; Chave, Jérôme; Davila, N.; Erwin, T.; Silva, J.; Di Fiore, A.; Feldpausch, T.R.; Freitas, A.; Herrera, R.; Higuchi, N.; Honorio, E.; Jimenez, E.; Killeen, T.; Laurance, W.; Mendoza, C.; Monteagudo, A.; Andrade, A.; Neill, D.; Nepstad, D.; Nunez Vargas, P.; Penuela, M.C.; Pena Cruz, A.; Prieto, A.; Pitman, N.; Quesada, C.; Salomao, R.; Silveira, Marcos; Schwarz, Michael; Stropp, J.; Ramirez, F.; Ramirez, H.; Rudas, A.; ter Steege, H.; Silva, N.; Torres, A.; Terborgh, J.; Vasquez, R.; van Der Heijden, G.;- handle: 10088/11918 , 10568/20705 - AbstractPositive aboveground biomass trends have been reported from old‐growth forests across the Amazon basin and hypothesized to reflect a large‐scale response to exterior forcing. The result could, however, be an artefact due to a sampling bias induced by the nature of forest growth dynamics. Here, we characterize statistically the disturbance process in Amazon old‐growth forests as recorded in 135 forest plots of the RAINFOR network up to 2006, and other independent research programmes, and explore the consequences of sampling artefacts using a data‐based stochastic simulator. Over the observed range of annual aboveground biomass losses, standard statistical tests show that the distribution of biomass losses through mortality follow an exponential or near‐identical Weibull probability distribution and not a power law as assumed by others. The simulator was parameterized using both an exponential disturbance probability distribution as well as a mixed exponential–power law distribution to account for potential large‐scale blowdown events. In both cases, sampling biases turn out to be too small to explain the gains detected by the extended RAINFOR plot network. This result lends further support to the notion that currently observed biomass gains for intact forests across the Amazon are actually occurring over large scales at the current time, presumably as a response to climate change. - Hyper Article en Lig... - arrow_drop_down Institut National de la Recherche Agronomique: ProdINRAArticle . 2009License: CC-BY-ND-NCFull-Text: https://hal.science/hal-01032162Data sources: Bielefeld Academic Search Engine (BASE)CIRAD: HAL (Agricultural Research for Development)Article . 2009Full-Text: https://hal.science/hal-01032162Data sources: Bielefeld Academic Search Engine (BASE)Recolector de Ciencia Abierta, RECOLECTAArticle . 2009 . Peer-reviewedLicense: CC BY NC NDData sources: Recolector de Ciencia Abierta, RECOLECTAINRIA a CCSD electronic archive serverArticle . 2009Data sources: INRIA a CCSD electronic archive serverGlobal Change BiologyArticle . 2009 . Peer-reviewedLicense: Wiley Online Library User AgreementData sources: CrossrefJames Cook University, Australia: ResearchOnline@JCUArticle . 2009Data sources: Bielefeld Academic Search Engine (BASE)- add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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 You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.All Research products- arrow_drop_down - <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1111/j.1365-2486.2009.01891.x&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu
- description Publication- keyboard_double_arrow_right Article , Other literature type 2023Embargo end date: 01 Jan 2023 France, Germany, United Kingdom, Italy, United States, Italy, Italy, France, United Kingdom, Italy, Italy, Austria, Germany, United Kingdom, United Kingdom, Czech Republic, Switzerland, Russian Federation, Russian Federation, Italy, Belgium, Denmark, Germany, Czech Republic, Germany, Netherlands, Italy, United Kingdom, Denmark, Switzerland, Italy, Italy, France- Publisher:Springer Science and Business Media LLC Funded by:NSF | Doctoral Dissertation Res..., UKRI | BIOmes of Brasil - Resili..., EC | T-FORCES +3 projectsNSF| Doctoral Dissertation Research: Effects of a Dispersal Barrier on Cultural Similarity in Wild Orangutans (Pongo pygmaeus wurmbii) ,UKRI| BIOmes of Brasil - Resilience, rEcovery, and Diversity: BIO-RED ,EC| T-FORCES ,UKRI| Tropical forests responses to a changing climate: a quest at the interface between trait-based ecology, forest dynamics and remote sensing ,EC| FUNDIVEUROPE ,SNSF| The functional biogeography of the global forest systemMa, Haozhi; Crowther, Thomas W.; Crowther, Thomas W.; Mo, Lidong; Maynard, Daniel S.; Renner, Susanne S.; Van Den Hoogen, Johan; Zou, Yibiao; Liang, Jingjing; De-Miguel, Sergio; Nabuurs, Gert-Jan; Reich, Peter B.; Niinemets, Ülo; Abegg, Meinrad; Adou Yao, Yves C.; Alberti, Giorgio; Almeyda Zambrano, Angelica M.; Alvarado, Braulio Vilchez; Alvarez-Dávila, Esteban; Alvarez-Loayza, Patricia; Alves, Luciana F.; Ammer, Christian; Antón-Fernández, Clara; Araujo-Murakami, Alejandro; Arroyo, Luzmila; Avitabile, Valerio; Aymard, Gerardo A.; Baker, Timothy R.; Bałazy, Radomir; Banki, Olaf; Barroso, Jorcely G.; Bastian, Meredith L.; Bastin, Jean-Francois; Birigazzi, Luca; Birnbaum, Philippe; Bitariho, Robert; Boeckx, Pascal; Bongers, Frans; Bouriaud, Olivier; Brancalion, Pedro H. S.; Brandl, Susanne; Brearley, Francis Q.; Brienen, Roel; Broadbent, Eben N.; Bruelheide, Helge; Bussotti, Filippo; Cazzolla Gatti, Roberto; César, Ricardo G.; Cesljar, Goran; Chazdon, Robin; Chen, Han Y. H.; Chisholm, Chelsea; Cho, Hyunkook; Cienciala, Emil; Clark, Connie; Clark, David; Colletta, Gabriel D.; Coomes, David A.; Valverde, Fernando Cornejo; Corral-Rivas, José J.; Crim, Philip M.; Cumming, Jonathan R.; Dayanandan, Selvadurai; De Gasper, André L.; Decuyper, Mathieu; Derroire, Géraldine; DeVries, Ben; Djordjevic, Ilija; Dolezal, Jiri; Dourdain, Aurélie; Engone Obiang, Nestor Laurier; Enquist, Brian J.; Eyre, Teresa J.; Fandohan, Adandé Belarmain; Fayle, Tom M.; Feldpausch, Ted R.; Ferreira, Leandro V.; Finér, Leena; Fischer, Markus; Fletcher, Christine; Fridman, Jonas; Frizzera, Lorenzo; Gamarra, Javier G. P.; Gianelle, Damiano; Glick, Henry B.; Harris, David J.; Hector, Andrew; Hemp, Andreas; Hengeveld, Geerten; Hérault, Bruno; Herbohn, John L.; Herold, Martin; Hillers, Annika; Honorio Coronado, Eurídice N.; Hui, Cang; Ibanez, Thomas T.; Amaral, Iêda; Imai, Nobuo; Jagodziński, Andrzej M.; Jaroszewicz, Bogdan; Johannsen, Vivian Kvist; Joly, Carlos A.; Jucker, Tommaso; Jung, Ilbin; Karminov, Viktor; Kartawinata, Kuswata; Kearsley, Elizabeth; Kenfack, David; Kennard, Deborah K.; Kepfer-Rojas, Sebastian; Keppel, Gunnar; Khan, Mohammed Latif; Khan, Mohammed Latif; Killeen, Timothy J.; Kim, Hyun Seok; Kitayama, Kanehiro; Köhl, Michael; Korjus, Henn; Kraxner, Florian; Kucher, Dmitry; Laarmann, Diana; Lang, Mait; Lewis, Simon L.; Lu, Huicui; Lukina, Natalia V.; Maitner, Brian S.; Malhi, Yadvinder; Marcon, Eric; Marimon, Beatriz Schwantes; Marimon-Junior, Ben Hur; Marshall, Andrew R.; Martin, Emanuel H.; Meave, Jorge A.; Melo-Cruz, Omar; Mendoza, Casimiro; Merow, Cory; Monteagudo Mendoza, Abel; Moreno, Vanessa S.; Mukul, Sharif A.; Mundhenk, Philip; Nava-Miranda, María Guadalupe; Neill, David; Neldner, Victor J.; Nevenic, Radovan V.; Ngugi, Michael R.; Niklaus, Pascal A.; Oleksyn, Jacek; Ontikov, Petr; Ortiz-Malavasi, Edgar; Pan, Yude; Paquette, Alain; Parada-Gutierrez, Alexander; Parfenova, Elena I.; Park, Minjee; Parren, Marc; Parthasarathy, Narayanaswamy; Peri, Pablo L.; Pfautsch, Sebastian; Phillips, Oliver L.; Picard, Nicolas; Piedade, Maria Teresa F.; Piotto, Daniel; Pitman, Nigel C. A.; Mendoza-Polo, Irina; Poulsen, Axel D.; Poulsen, John R.; Pretzsch, Hans; Ramirez Arevalo, Freddy; Restrepo-Correa, Zorayda; Rodeghiero, Mirco; Rolim, Samir G.; Roopsind, Anand; Rovero, Francesco; Rutishauser, Ervan; Saikia, Purabi; Salas-Eljatib, Christian; Saner, Philippe; Schall, Peter; Schelhaas, Mart-Jan; Schepaschenko, Dmitry; Scherer-Lorenzen, Michael; Schmid, Bernhard; Schöngart, Jochen; Searle, Eric B.; Seben, Vladimír; Serra-Diaz, Josep M.; Sheil, Douglas; Shvidenko, Anatoly Z.; Silva-Espejo, Javier E.; Silveira, Marcos; Singh, James; Sist, Plinio; Slik, Ferry; Sonké, Bonaventure; Souza, Alexandre F.; Miścicki, Stanislaw; Stereńczak, Krzysztof J.; Svenning, Jens-Christian; Svoboda, Miroslav; Swanepoel, Ben;- doi: 10.1038/s41477-023-01543-5 , 10.3929/ethz-b-000643725 , 10.60692/0g11z-dp323 , 10.5445/ir/1000163924 , 10.60692/d6bsp-27w45 , 10.48350/187399 - pmid: 37872262 - pmc: PMC10654052 - AbstractUnderstanding what controls global leaf type variation in trees is crucial for comprehending their role in terrestrial ecosystems, including carbon, water and nutrient dynamics. Yet our understanding of the factors influencing forest leaf types remains incomplete, leaving us uncertain about the global proportions of needle-leaved, broadleaved, evergreen and deciduous trees. To address these gaps, we conducted a global, ground-sourced assessment of forest leaf-type variation by integrating forest inventory data with comprehensive leaf form (broadleaf vs needle-leaf) and habit (evergreen vs deciduous) records. We found that global variation in leaf habit is primarily driven by isothermality and soil characteristics, while leaf form is predominantly driven by temperature. Given these relationships, we estimate that 38% of global tree individuals are needle-leaved evergreen, 29% are broadleaved evergreen, 27% are broadleaved deciduous and 5% are needle-leaved deciduous. The aboveground biomass distribution among these tree types is approximately 21% (126.4 Gt), 54% (335.7 Gt), 22% (136.2 Gt) and 3% (18.7 Gt), respectively. We further project that, depending on future emissions pathways, 17–34% of forested areas will experience climate conditions by the end of the century that currently support a different forest type, highlighting the intensification of climatic stress on existing forests. By quantifying the distribution of tree leaf types and their corresponding biomass, and identifying regions where climate change will exert greatest pressure on current leaf types, our results can help improve predictions of future terrestrial ecosystem functioning and carbon cycling. - Bern Open Repository... - arrow_drop_down Bern Open Repository and Information System (BORIS)Article . 2023 . Peer-reviewedData sources: Bern Open Repository and Information System (BORIS)IRIS - Institutional Research Information System of the University of TrentoArticle . 2023License: CC BYArchivio istituzionale della ricerca - Università degli Studi di UdineArticle . 2023License: CC BYOpen Research ExeterArticle . 2023License: CC BYFull-Text: https://www.ncbi.nlm.nih.gov/pubmed/37872262Data sources: Bielefeld Academic Search Engine (BASE)CIRAD: HAL (Agricultural Research for Development)Article . 2023Full-Text: https://hal.inrae.fr/hal-04288936Data sources: Bielefeld Academic Search Engine (BASE)KITopen (Karlsruhe Institute of Technologie)Article . 2023License: CC BYData sources: Bielefeld Academic Search Engine (BASE)University of Freiburg: FreiDokArticle . 2023Full-Text: https://freidok.uni-freiburg.de/data/254372Data sources: Bielefeld Academic Search Engine (BASE)University of California: eScholarshipArticle . 2023License: CC BYFull-Text: https://escholarship.org/uc/item/6xp502bdData sources: Bielefeld Academic Search Engine (BASE)Queen Mary University of London: Queen Mary Research Online (QMRO)Article . 2023License: CC BYData sources: Bielefeld Academic Search Engine (BASE)Fondazione Edmund Mach: IRIS-OpenPubArticle . 2023Full-Text: https://hdl.handle.net/10449/82715Data sources: Bielefeld Academic Search Engine (BASE)Copenhagen University Research Information SystemArticle . 2023Data sources: Copenhagen University Research Information SystemRepository of the Czech Academy of SciencesArticle . 2023Data sources: Repository of the Czech Academy of SciencesGFZ German Research Centre for GeosciencesArticle . 2023License: CC BYData sources: GFZ German Research Centre for GeoscienceseScholarship - University of CaliforniaArticle . 2023Data sources: eScholarship - University of CaliforniaWageningen Staff PublicationsArticle . 2023License: CC BYData sources: Wageningen Staff PublicationsInstitut National de la Recherche Agronomique: ProdINRAArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)University of Copenhagen: ResearchArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)Article . 2023License: CC BYData sources: Bielefeld Academic Search Engine (BASE)University of Bristol: Bristol ResearchArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)Ghent University Academic BibliographyArticle . 2023Data sources: Ghent University Academic BibliographyNaturalis Institutional RepositoryArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)- add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.All Research products- arrow_drop_down - <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1038/s41477-023-01543-5&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu- more_vert - Bern Open Repository... - arrow_drop_down Bern Open Repository and Information System (BORIS)Article . 2023 . Peer-reviewedData sources: Bern Open Repository and Information System (BORIS)IRIS - Institutional Research Information System of the University of TrentoArticle . 2023License: CC BYArchivio istituzionale della ricerca - Università degli Studi di UdineArticle . 2023License: CC BYOpen Research ExeterArticle . 2023License: CC BYFull-Text: https://www.ncbi.nlm.nih.gov/pubmed/37872262Data sources: Bielefeld Academic Search Engine (BASE)CIRAD: HAL (Agricultural Research for Development)Article . 2023Full-Text: https://hal.inrae.fr/hal-04288936Data sources: Bielefeld Academic Search Engine (BASE)KITopen (Karlsruhe Institute of Technologie)Article . 2023License: CC BYData sources: Bielefeld Academic Search Engine (BASE)University of Freiburg: FreiDokArticle . 2023Full-Text: https://freidok.uni-freiburg.de/data/254372Data sources: Bielefeld Academic Search Engine (BASE)University of California: eScholarshipArticle . 2023License: CC BYFull-Text: https://escholarship.org/uc/item/6xp502bdData sources: Bielefeld Academic Search Engine (BASE)Queen Mary University of London: Queen Mary Research Online (QMRO)Article . 2023License: CC BYData sources: Bielefeld Academic Search Engine (BASE)Fondazione Edmund Mach: IRIS-OpenPubArticle . 2023Full-Text: https://hdl.handle.net/10449/82715Data sources: Bielefeld Academic Search Engine (BASE)Copenhagen University Research Information SystemArticle . 2023Data sources: Copenhagen University Research Information SystemRepository of the Czech Academy of SciencesArticle . 2023Data sources: Repository of the Czech Academy of SciencesGFZ German Research Centre for GeosciencesArticle . 2023License: CC BYData sources: GFZ German Research Centre for GeoscienceseScholarship - University of CaliforniaArticle . 2023Data sources: eScholarship - University of CaliforniaWageningen Staff PublicationsArticle . 2023License: CC BYData sources: Wageningen Staff PublicationsInstitut National de la Recherche Agronomique: ProdINRAArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)University of Copenhagen: ResearchArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)Article . 2023License: CC BYData sources: Bielefeld Academic Search Engine (BASE)University of Bristol: Bristol ResearchArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)Ghent University Academic BibliographyArticle . 2023Data sources: Ghent University Academic BibliographyNaturalis Institutional RepositoryArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)- add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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- description Publication- keyboard_double_arrow_right Article , Other literature type , Journal 2015 Brazil, Australia, France, France, United Kingdom, France, United Kingdom, United Kingdom, United Kingdom, France, Brazil, United Kingdom, France- Publisher:Springer Science and Business Media LLC Funded by:UKRI | Climate change and the Am..., ANR | CEBA, UKRI | Amazon Integrated Carbon ... +8 projectsUKRI| Climate change and the Amazon: assessing the impact of climate on tree growth using tree ring widths and isotopes ,ANR| CEBA ,UKRI| Amazon Integrated Carbon Analysis / AMAZONICA ,ANR| TULIP ,UKRI| Assessing the Impacts of the Recent Amazonian Drought ,EC| GEOCARBON ,UKRI| Assessing the impacts of the 2010 drought on Amazon zone of transition ,EC| AMAZALERT ,EC| GEM-TRAIT ,UKRI| Niche evolution of South American trees and its consequences ,UKRI| Tropical Biomes in TransitionAuthors: Patricia Alvarez-Loayza; Luiz E. O. C. Aragão; Luiz E. O. C. Aragão; Sophie Fauset; +98 AuthorsPatricia Alvarez-Loayza; Luiz E. O. C. Aragão; Luiz E. O. C. Aragão; Sophie Fauset; Zorayda Restrepo; Julie Peacock; P. van der Hout; Emilio Vilanova; Christopher Baraloto; Christopher Baraloto; José Luís Camargo; Simone Aparecida Vieira; L da Costa; Marielos Peña-Claros; Carolina V. Castilho; Rafael de Paiva Salomão; Vincent A. Vos; Oliver L. Phillips; Eric Arets; Miguel Alexiades; Olaf Bánki; David W. Galbraith; E. Alvarez Dávila; Javier E. Silva-Espejo; Michael P. Schwarz; Mireia Torello-Raventos; Anand Roopsind; Ted R. Feldpausch; Ted R. Feldpausch; Fredy Ramírez; Raquel Thomas-Caesar; David A. Neill; Bruno Hérault; Euler Melo Nogueira; Marcos Silveira; John Terborgh; Lourens Poorter; Simon L. Lewis; Simon L. Lewis; Hirma Ramírez-Angulo; Nigel C. A. Pitman; Nigel C. A. Pitman; William F. Laurance; Adriana Prieto; J Teran-Aguilar; Juliana Stropp; Kuo-Jung Chao; Kuo-Jung Chao; Alejandro Araujo-Murakami; N. C. Pallqui Camacho; Casimiro Mendoza; G. Pardo-Molina; A. Di Fiore; Ben Hur Marimon-Junior; Helen C. Keeling; Ana Andrade; R. Vásquez Martínez; Mônica Forsthofer; Roel J. W. Brienen; Jérôme Chave; Joey Talbot; E.N. Honorio Coronado; E.N. Honorio Coronado; Juan Carlos Licona; Natalino Silva; Ricardo Keichi Umetsu; Yadvinder Malhi; G. M. F. van der Heijden; G. M. F. van der Heijden; G. M. F. van der Heijden; E S Grahame; Luzmila Arroyo; Susan G. Laurance; James A. Comiskey; Georgia Pickavance; Timothy J. Killeen; Damien Bonal; Timothy R. Baker; René G. A. Boot; Gabriela Lopez-Gonzalez; V. Chama; F. Cornejo Valverde; W E Magnussen; Alexander Parada; Nikée Groot; Marisol Toledo; Abel Monteagudo-Mendoza; Roderick Zagt; H. ter Steege; H. ter Steege; Terry L. Erwin; Carlos A. Quesada; I. C. Guimarães Vieira; Agustín Rudas; Jon Lloyd; Jon Lloyd; E. A. de Oliveira; Beatriz Schwantes Marimon; Jorcely Barroso; Pablo Núñez; Niro Higuchi; Emanuel Gloor;- pmid: 25788097 - handle: 10871/17031 - Los registros de dióxido de carbono atmosférico indican que la superficie terrestre ha actuado como un fuerte sumidero de carbono global en las últimas décadas, y una fracción sustancial de este sumidero probablemente se encuentra en los trópicos, particularmente en la Amazonía. Sin embargo, no está claro cómo evolucionará el sumidero de carbono terrestre a medida que el clima y la composición atmosférica continúen cambiando. Aquí analizamos la evolución histórica de la dinámica de la biomasa de la selva amazónica a lo largo de tres décadas utilizando una red distribuida de 321 parcelas. Si bien este análisis confirma que los bosques amazónicos han actuado como un sumidero neto de biomasa a largo plazo, encontramos una tendencia decreciente a largo plazo de la acumulación de carbono. Las tasas de aumento neto de la biomasa superficial disminuyeron en un tercio durante la última década en comparación con la década de 1990. Esto es consecuencia de que los aumentos de la tasa de crecimiento se estabilizaron recientemente, mientras que la mortalidad por biomasa aumentó persistentemente en todo momento, lo que llevó a un acortamiento de los tiempos de residencia del carbono. Los posibles impulsores del aumento de la mortalidad incluyen una mayor variabilidad climática y retroalimentaciones de un crecimiento más rápido de la mortalidad, lo que resulta en una menor longevidad de los árboles. La disminución observada del sumidero amazónico difiere notablemente del reciente aumento de la absorción de carbono terrestre a escala global, y es contraria a las expectativas basadas en modelos. Les enregistrements atmosphériques de dioxyde de carbone indiquent que la surface terrestre a agi comme un puissant puits de carbone mondial au cours des dernières décennies, une fraction substantielle de ce puits étant probablement située sous les tropiques, en particulier en Amazonie. Néanmoins, on ne sait pas comment le puits de carbone terrestre évoluera à mesure que le climat et la composition atmosphérique continueront de changer. Nous analysons ici l'évolution historique de la dynamique de la biomasse de la forêt amazonienne sur trois décennies à l'aide d'un réseau distribué de 321 parcelles. Bien que cette analyse confirme que les forêts amazoniennes ont agi comme un puits de biomasse net à long terme, nous constatons une tendance à la baisse à long terme de l'accumulation de carbone. Les taux d'augmentation nette de la biomasse aérienne ont diminué d'un tiers au cours de la dernière décennie par rapport aux années 1990. C'est une conséquence de la stabilisation récente de l'augmentation du taux de croissance, tandis que la mortalité liée à la biomasse a constamment augmenté, ce qui a entraîné une réduction des temps de résidence du carbone. Les facteurs potentiels de l'augmentation de la mortalité comprennent une plus grande variabilité du climat et des rétroactions d'une croissance plus rapide sur la mortalité, entraînant une réduction de la longévité des arbres. Le déclin observé du puits amazonien s'écarte nettement de la récente augmentation de l'absorption terrestre de carbone à l'échelle mondiale, et est contraire aux attentes basées sur des modèles. Atmospheric carbon dioxide records indicate that the land surface has acted as a strong global carbon sink over recent decades, with a substantial fraction of this sink probably located in the tropics, particularly in the Amazon. Nevertheless, it is unclear how the terrestrial carbon sink will evolve as climate and atmospheric composition continue to change. Here we analyse the historical evolution of the biomass dynamics of the Amazon rainforest over three decades using a distributed network of 321 plots. While this analysis confirms that Amazon forests have acted as a long-term net biomass sink, we find a long-term decreasing trend of carbon accumulation. Rates of net increase in above-ground biomass declined by one-third during the past decade compared to the 1990s. This is a consequence of growth rate increases levelling off recently, while biomass mortality persistently increased throughout, leading to a shortening of carbon residence times. Potential drivers for the mortality increase include greater climate variability, and feedbacks of faster growth on mortality, resulting in shortened tree longevity. The observed decline of the Amazon sink diverges markedly from the recent increase in terrestrial carbon uptake at the global scale, and is contrary to expectations based on models. تشير سجلات ثاني أكسيد الكربون في الغلاف الجوي إلى أن سطح الأرض كان بمثابة حوض كربون عالمي قوي على مدى العقود الأخيرة، وربما يقع جزء كبير من هذا الحوض في المناطق المدارية، لا سيما في الأمازون. ومع ذلك، من غير الواضح كيف ستتطور بالوعة الكربون الأرضية مع استمرار تغير المناخ وتكوين الغلاف الجوي. نحلل هنا التطور التاريخي لديناميكيات الكتلة الحيوية لغابات الأمازون المطيرة على مدى ثلاثة عقود باستخدام شبكة موزعة من 321 قطعة أرض. في حين يؤكد هذا التحليل أن غابات الأمازون كانت بمثابة بالوعة صافية طويلة الأجل للكتلة الحيوية، فإننا نجد اتجاهًا تنازليًا طويل الأجل لتراكم الكربون. انخفضت معدلات الزيادة الصافية في الكتلة الحيوية فوق الأرض بمقدار الثلث خلال العقد الماضي مقارنة بالتسعينيات. وهذا نتيجة لاستقرار زيادات معدل النمو في الآونة الأخيرة، في حين زادت وفيات الكتلة الحيوية باستمرار طوال الوقت، مما أدى إلى تقصير أوقات بقاء الكربون. وتشمل الدوافع المحتملة لزيادة الوفيات زيادة تقلب المناخ، وردود الفعل على النمو الأسرع للوفيات، مما يؤدي إلى تقصير عمر الأشجار. يختلف الانخفاض الملحوظ في حوض الأمازون بشكل ملحوظ عن الزيادة الأخيرة في امتصاص الكربون الأرضي على النطاق العالمي، ويتعارض مع التوقعات القائمة على النماذج. - Nottingham Research ... - arrow_drop_down Nottingham ePrintsArticle . 2015License: University of Nottingham Institutional Repository End-UserFull-Text: http://eprints.nottingham.ac.uk/45020/8/Main_ms_Brienen_et_al_jan_2015_2014-25-02632C.pdfData sources: CORE (RIOXX-UK Aggregator)INRIA a CCSD electronic archive serverArticle . 2015Data sources: INRIA a CCSD electronic archive serverInstitut National de la Recherche Agronomique: ProdINRAArticle . 2015Data sources: Bielefeld Academic Search Engine (BASE)COREArticle . 2015Full-Text: https://eprints.whiterose.ac.uk/84240/1/Main_ms_Brienen_et_al_jan_2015_2014-25-02632D.pdfData sources: COREhttp://dx.doi.org/10.1038/natu...Article . Peer-reviewedData sources: European Union Open Data PortalJames Cook University, Australia: ResearchOnline@JCUArticle . 2015Data sources: Bielefeld Academic Search Engine (BASE)CIRAD: HAL (Agricultural Research for Development)Article . 2015Data sources: Bielefeld Academic Search Engine (BASE)- add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.All Research products- arrow_drop_down - <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1038/nature14283&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu- more_vert - Nottingham Research ... - arrow_drop_down Nottingham ePrintsArticle . 2015License: University of Nottingham Institutional Repository End-UserFull-Text: http://eprints.nottingham.ac.uk/45020/8/Main_ms_Brienen_et_al_jan_2015_2014-25-02632C.pdfData sources: CORE (RIOXX-UK Aggregator)INRIA a CCSD electronic archive serverArticle . 2015Data sources: INRIA a CCSD electronic archive serverInstitut National de la Recherche Agronomique: ProdINRAArticle . 2015Data sources: Bielefeld Academic Search Engine (BASE)COREArticle . 2015Full-Text: https://eprints.whiterose.ac.uk/84240/1/Main_ms_Brienen_et_al_jan_2015_2014-25-02632D.pdfData sources: COREhttp://dx.doi.org/10.1038/natu...Article . Peer-reviewedData sources: European Union Open Data PortalJames Cook University, Australia: ResearchOnline@JCUArticle . 2015Data sources: Bielefeld Academic Search Engine (BASE)CIRAD: HAL (Agricultural Research for Development)Article . 2015Data sources: Bielefeld Academic Search Engine (BASE)- add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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- description Publication- keyboard_double_arrow_right Article , Other literature type , Journal 2016 Australia, United Kingdom, Netherlands, United Kingdom, France, Australia, France, United Kingdom, Germany, France, United Kingdom, France, Netherlands, Australia, France, United Kingdom, Brazil, France, United Kingdom, Brazil, Belgium, France, France, United Kingdom- Publisher:Wiley Funded by:UKRI | Amazon Integrated Carbon ..., EC | AMAZALERT, UKRI | Tropical Biomes in Transi... +5 projectsUKRI| Amazon Integrated Carbon Analysis / AMAZONICA ,EC| AMAZALERT ,UKRI| Tropical Biomes in Transition ,ARC| Future Fellowships - Grant ID: FT110100457 ,UKRI| Understanding how drought affects the risk of increased mortality in tropical rain forests ,EC| ROBIN ,EC| GEOCARBON ,UKRI| Niche evolution of South American trees and its consequencesAuthors: José Luís Camargo; René G. A. Boot; Christopher Baraloto; Alejandro Araujo-Murakami; +78 AuthorsJosé Luís Camargo; René G. A. Boot; Christopher Baraloto; Alejandro Araujo-Murakami; Ke Zhang; Thomas E. Lovejoy; Michelle O. Johnson; Armando Torres-Lezama; Fernando Cornejo Valverde; Bradley O. Christoffersen; Bradley O. Christoffersen; Manuel Gloor; Oliver L. Phillips; Atila Alves de Oliveira; Jocely Barroso; Patrick Meir; Patrick Meir; Timothy R. Baker; Abel Monteagudo; Philippe Ciais; Hans ter Steege; John Terborgh; Anthony Di Fiore; Luiz E. O. C. Aragão; Sophie Fauset; Bart Kruijt; Roel J. W. Brienen; Vincent A. Vos; Susan G. Laurance; Hirma Ramírez-Angulo; Nigel C. A. Pitman; Adriana Prieto; Jérôme Chave; Lourens Poorter; Casimiro Mendoza; Niro Higuchi; Timothy J. Killeen; Gerardo Aymard; Juliana Stropp; Agustín Rudas; Ana Andrade; Bia Marimon; Yadvinder Malhi; Geertje M. F. van der Heijden; Álvaro Cogollo; Darley C.L. Matos; David W. Galbraith; Eric Arets; Marcos Silveira; Anand Roopsind; Antonio Carlos Lola da Costa; Paul R. Moorcroft; Emilio Vilanova; Raquel Thomas; Leandro Valle Ferreira; Hans Verbeeck; Juan Carlos Licona; Damien Bonal; Gabriela Lopez Gonzalez; Marisol Toledo; Marielos Peña-Claros; Rafael de Paiva Salomão; Rodolfo Vasquez; Iêda Leão do Amaral; Gilvan Sampaio; Matthieu Guimberteau; Matthieu Guimberteau; Euridice Honorio; Guido Pardo; Anja Rammig; Anja Rammig; Hannes De Deurwaerder; Ted R. Feldpausch; Esteban Álvarez-Dávila; Kirsten Thonicke; William F. Laurance; Ben Hur Marimon Junior; Carlos A. Quesada; Ima Célia Guimarães Vieira; Celso von Randow; David A. Neill; Luzmila Arroyo;- AbstractUnderstanding the processes that determine above‐ground biomass (AGB) in Amazonian forests is important for predicting the sensitivity of these ecosystems to environmental change and for designing and evaluating dynamic global vegetation models (DGVMs). AGB is determined by inputs from woody productivity [woody net primary productivity (NPP)] and the rate at which carbon is lost through tree mortality. Here, we test whether two direct metrics of tree mortality (the absolute rate of woody biomass loss and the rate of stem mortality) and/or woody NPP, control variation in AGB among 167 plots in intact forest across Amazonia. We then compare these relationships and the observed variation in AGB and woody NPP with the predictions of four DGVMs. The observations show that stem mortality rates, rather than absolute rates of woody biomass loss, are the most important predictor of AGB, which is consistent with the importance of stand size structure for determining spatial variation in AGB. The relationship between stem mortality rates and AGB varies among different regions of Amazonia, indicating that variation in wood density and height/diameter relationships also influences AGB. In contrast to previous findings, we find that woody NPP is not correlated with stem mortality rates and is weakly positively correlated with AGB. Across the four models, basin‐wide average AGB is similar to the mean of the observations. However, the models consistently overestimate woody NPP and poorly represent the spatial patterns of both AGB and woody NPP estimated using plot data. In marked contrast to the observations, DGVMs typically show strong positive relationships between woody NPP and AGB. Resolving these differences will require incorporating forest size structure, mechanistic models of stem mortality and variation in functional composition in DGVMs. - CORE - arrow_drop_down Australian National University: ANU Digital CollectionsArticleLicense: CC BYData sources: Bielefeld Academic Search Engine (BASE)Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQArticle . 2016Data sources: Bielefeld Academic Search Engine (BASE)Repositório do INPAArticle . 2016License: CC BY NC NDData sources: Bielefeld Academic Search Engine (BASE)James Cook University, Australia: ResearchOnline@JCUArticle . 2016Full-Text: http://dx.doi.org/10.1111/gcb.13315Data sources: Bielefeld Academic Search Engine (BASE)Publication Database PIK (Potsdam Institute for Climate Impact Research)Article . 2016License: CC BYData sources: Bielefeld Academic Search Engine (BASE)Open Research ExeterArticle . 2016License: CC BYFull-Text: https://www.ncbi.nlm.nih.gov/pubmed/27082541Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2016Data sources: Bielefeld Academic Search Engine (BASE)INRIA a CCSD electronic archive serverArticle . 2016License: CC BYData sources: INRIA a CCSD electronic archive serverWageningen Staff PublicationsArticle . 2016License: CC BYData sources: Wageningen Staff PublicationsInstitut National de la Recherche Agronomique: ProdINRAArticle . 2016Data sources: Bielefeld Academic Search Engine (BASE)Ghent University Academic BibliographyArticle . 2016Data sources: Ghent University Academic Bibliography- add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.All Research products- arrow_drop_down - <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1111/gcb.13315&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu- more_vert - CORE - arrow_drop_down Australian National University: ANU Digital CollectionsArticleLicense: CC BYData sources: Bielefeld Academic Search Engine (BASE)Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQArticle . 2016Data sources: Bielefeld Academic Search Engine (BASE)Repositório do INPAArticle . 2016License: CC BY NC NDData sources: Bielefeld Academic Search Engine (BASE)James Cook University, Australia: ResearchOnline@JCUArticle . 2016Full-Text: http://dx.doi.org/10.1111/gcb.13315Data sources: Bielefeld Academic Search Engine (BASE)Publication Database PIK (Potsdam Institute for Climate Impact Research)Article . 2016License: CC BYData sources: Bielefeld Academic Search Engine (BASE)Open Research ExeterArticle . 2016License: CC BYFull-Text: https://www.ncbi.nlm.nih.gov/pubmed/27082541Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2016Data sources: Bielefeld Academic Search Engine (BASE)INRIA a CCSD electronic archive serverArticle . 2016License: CC BYData sources: INRIA a CCSD electronic archive serverWageningen Staff PublicationsArticle . 2016License: CC BYData sources: Wageningen Staff PublicationsInstitut National de la Recherche Agronomique: ProdINRAArticle . 2016Data sources: Bielefeld Academic Search Engine (BASE)Ghent University Academic BibliographyArticle . 2016Data sources: Ghent University Academic Bibliography- add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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- description Publication- keyboard_double_arrow_right Article , Other literature type 2023 Argentina, Argentina, United Kingdom- Publisher:Informa UK Limited Funded by:UKRI | Can tropical Montane fore...UKRI| Can tropical Montane forest Acclimate to high temperature? Montane-AcclimLászló Nagy; Cleiton B. Eller; Lina M. Mercado; Francisco Cuesta; Luis Daniel Llambí; Erika Buscardo; Luiz E. O. C. Aragão; Carlos García‐Núñez; Rafael S. Oliveira; Milton Barbosa; Sergio Javier Ceballos; Marco Calderón-Loor; Geraldo Wilson Fernandes; Ezequiel Aráoz; Ariadna M. Q. Muñoz; Ricardo Rozzi; Francisco Aguirre; Esteban Álvarez-Dávila; Norma Salinas; Stephen Sitch;- Contexte : La surveillance basée sur des placettes a fourni de nombreuses informations sur la diversité taxonomique et le stockage du carbone (C) dans les forêts tropicales de plaine du bassin amazonien. Cela a permis de mieux comprendre la relation entre la dynamique de la biomasse forestière des plaines et les facteurs du changement mondial, tels que le changement climatique et la concentration atmosphérique de CO 2. Beaucoup moins d'attention a été accordée aux écosystèmes montagneux d'Amérique du Sud qui comprennent les forêts montagnardes et la végétation alpine (páramo, puna, prairies des hautes Andes, zones humides et bruyère alpine).Ce complexe de végétation fournit une variété de services écosystémiques et forme un laboratoire naturel le long de divers gradients d'histoire/biogéographie physiographique, géologique et évolutive, et d'histoire de l'utilisation des terres.Images : Ici, nous passons en revue la compréhension empirique existante et les approches basées sur des modèles pour quantifier la contribution des écosystèmes de montagne à la fourniture de services écosystémiques dans le contexte socio-écologique en évolution rapide des montagnes sud-américaines.L' objectif de cet article est de définir une feuille de route générale pour la mise en œuvre de la végétation de montagne dans des modèles dynamiques de végétation mondiale (DGVM) à utiliser dans les modèles du système terrestre (ESM), sur la base de notre compréhension actuelle de leur structure et de leur fonction et de leur réactivité aux facteurs du changement global.Nous identifions également les processus de la limite des arbres, critiques dans les écosystèmes de montagne, comme des éléments manquants clés dans les DGVM/mes, et explorons ainsi en outre un modèle de limite des arbres.Méthodes : Un bilan de la disponibilité des données empiriques a été entrepris à partir de huit sites de recherche le long des Andes et dans le sud-est du Brésil.Parmi huit sites, deux (un au Venezuela et un au Brésil) avaient potentiellement des données climatiques, écologiques et écophysiologiques convenant au paramétrage d'une DGVM.Les données sur la biomasse des arbres étaient disponibles pour six sites.Une évaluation préliminaire de la DGVM du Joint UK Land Environment Simulator (JULES) a été réalisée pour identifier les lacunes dans les données disponibles et leurs impacts sur le paramétrage et l'étalonnage du modèle.En outre, l'élévation potentielle de la limite des arbres déterminée par le climat a été modélisée pour vérifier la DGVM quant à sa capacité à identifier la transition entre la forêt montagnarde et la végétation alpine.Résultats : Les résultats de l'évaluation du modèle de surface terrestre JULES ont identifié les processus clés suivants dans les forêts montagnardes : diminution liée à la température de la production primaire nette, respiration et allocation à la biomasse aérienne et augmentation des stocks de C dans le sol avec l'altitude.Il y avait un accord variable entre la biomasse simulée et celles dérivées des mesures sur le terrain via des équations allométriques.Conclusions : Nous avons identifié des écarts majeurs entre la disponibilité des données et les besoins de modélisation basée sur les processus de la végétation de montagne sud-américaine et de sa dynamique dans les DGVM.Pour combler cet écart, nous proposons un réseau transdisciplinaire, composé de membres des communautés théoriques/de modélisation et scientifiques empiriques, pour étudier la dynamique naturelle des écosystèmes de montagne et leurs réponses aux facteurs de changement mondiaux au niveau local, régional et continental, dans un cadre de système socio-écologique.Les travaux présentés ici constituent la base de la conception de la collecte de données à partir des mesures sur le terrain et des stations de surveillance instrumentales pour paramétrer et vérifier les DGVM.Le réseau est conçu pour collaborer et compléter les recherches à long terme existantes Antecedentes: El monitoreo basado en parcelas ha arrojado mucha información sobre la diversidad taxonómica y el almacenamiento de carbono (C) en los bosques tropicales de tierras bajas de la cuenca amazónica. Esto ha resultado en una mejor comprensión de la relación entre la dinámica de la biomasa forestal de las tierras bajas y los impulsores del cambio global, como el cambio climático y la concentración atmosférica de CO 2. Se ha prestado mucha menos atención a los ecosistemas de montaña de América del Sur que comprenden bosques montanos y vegetación alpina (páramo, puna, pastizales altoandinos, humedales y brezales alpinos).Este complejo de vegetación proporciona una variedad de servicios ecosistémicos y forma un laboratorio natural a lo largo de varios gradientes fisiográficos, geológicos y evolutivos de historia/biogeografía e historia del uso de la tierra. Objetivos: Aquí, revisamos la comprensión empírica existente y los enfoques basados en modelos para cuantificar la contribución de los ecosistemas de montaña a la prestación de servicios ecosistémicos en el entorno socioecológico rápidamente cambiante de las montañas sudamericanas. El objetivo de este documento es esbozar una amplia hoja de ruta para la implementación de la vegetación de montaña en modelos dinámicos de vegetación global (DGVM) para su uso en Modelos del Sistema Terrestre (ESM), basados en nuestra comprensión actual de su estructura y función y de su capacidad de respuesta a los impulsores del cambio global. También identificamos los procesos arbóreos, críticos en los ecosistemas de montaña, como elementos clave que faltan en las DGVM/ESM, y por lo tanto exploramos además un modelo arbóreo. Métodos: Se realizó un inventario de la disponibilidad de datos empíricos de ocho sitios de investigación a lo largo de los Andes y en el sureste de Brasil. De los ocho sitios, dos (uno en Venezuela y otro en Brasil) tenían algunos datos climáticos, ecológicos y ecofisiológicos potencialmente adecuado para parametrizar una DGVM. Se disponía de datos de biomasa de árboles para seis sitios. Se realizó una evaluación preliminar de la DGVM del Simulador Conjunto de Medio Ambiente Terrestre del Reino Unido (JULES) para identificar lagunas en los datos disponibles y sus impactos en la parametrización y calibración del modelo. Además, se modeló la posible elevación determinada por el clima de la línea de árboles para verificar la DGVM en cuanto a su capacidad para identificar la transición entre el bosque montano y la vegetación alpina. Resultados: Los resultados de la evaluación del modelo de superficie terrestre de JULES identificaron los siguientes procesos clave en los bosques montanos: disminución relacionada con la temperatura en la producción primaria neta, la respiración y la asignación a la biomasa sobre el suelo y aumento de las poblaciones de suelo C con elevación. Hubo un acuerdo variable entre la biomasa simulada y las derivadas de las mediciones de campo a través de ecuaciones alométricas. Conclusiones: Identificamos grandes brechas entre la disponibilidad de datos y las necesidades de modelado basado en procesos de la vegetación de montaña sudamericana y su dinámica en las DGVM. Para cerrar esta brecha, proponemos una red transdisciplinaria, compuesta por miembros de las comunidades científicas teóricas/de modelado y empíricas, para estudiar la dinámica natural de los ecosistemas de montaña y sus respuestas a los impulsores del cambio global a nivel local, regional y continental, dentro de un marco de sistema socioecológico. El trabajo presentado aquí forma la base para el diseño de la recopilación de datos a partir de mediciones de campo y estaciones de monitoreo instrumental para parametrizar y verificar las DGVM. La red está diseñada para colaborar y complementar la investigación existente a largo plazo. Background: Plot-based monitoring has yielded much information on the taxonomic diversity and carbon (C) storage in tropical lowland forests of the Amazon basin.This has resulted in an improved understanding of the relationship between lowland forest biomass dynamics and global change drivers, such as climate change and atmospheric CO 2 concentration.Much less attention has been paid to the mountain ecosystems of South America that comprise montane forests and alpine vegetation (páramo, puna, high Andean grasslands, wetlands, and alpine heath).This vegetation complex provides a variety of ecosystem services and forms a natural laboratory along various physiographic, geological and evolutionary history/biogeography, and land use history gradients.Aims: Here, we review existing empirical understanding and model-based approaches to quantify the contribution of mountain ecosystems to ecosystem service provision in the rapidly changing socioecological setting of the South American mountains.The objective of this paper is to outline a broad road map for the implementation of mountain vegetation into dynamic global vegetation models (DGVM) for use in Earth System Models (ESM), based on our current understanding of their structure and function and of their responsiveness to global change drivers.We also identify treeline processes, critical in mountain ecosystems, as key missing elements in DGVMs/ESMs, and thus explore in addition a treeline model.Methods: Stocktaking of the availability of empirical data was undertaken from eight research sites along the Andes and in south-eastern Brazil.Out of eight sites, two (one each in Venezuela and Brazil) had some climate, ecological and ecophysiological data potentially suitable to parametrise a DGVM.Tree biomass data were available for six sites.A preliminary assessment of the Joint UK Land Environment Simulator (JULES) DGVM was made to identify gaps in available data and their impacts on model parametrisation and calibration.Additionally, the potential climate-determined elevation of the treeline was modelled to check the DGVM for its ability to identify the transition between the montane forest and alpine vegetation.Results: Outcomes of the evaluation of the JULES land surface model identified the following key processes in montane forests: temperature-related decrease in net primary production, respiration, and allocation to above-ground biomass and increase in soil C stocks with elevation.There was a variable agreement between simulated biomass and those derived from field measurements via allometric equations.Conclusions: We identified major gaps between data availability and the needs for process-based modelling of South American mountain vegetation and its dynamics in DGVMs.To bridge this gap, we propose a transdisciplinary network, composed of members of the theoretical/modelling and empirical scientific communities, to study the natural dynamics of mountain ecosystems and their responses to global change drivers locally, regionally and at the continental scale, within a social-ecological system framework.The work presented here forms the basis for the design of data collection from field measurements and instrumental monitoring stations to parametrise and verify DGVMs.The network is designed to collaborate with and complement existing long-term research معلومات أساسية: أسفر الرصد القائم على قطعة الأرض عن الكثير من المعلومات حول التنوع التصنيفي وتخزين الكربون (C) في غابات الأراضي المنخفضة الاستوائية في حوض الأمازون. وقد أدى ذلك إلى فهم أفضل للعلاقة بين ديناميات الكتلة الحيوية للغابات المنخفضة ومحركات التغير العالمي، مثل تغير المناخ وتركيز ثاني أكسيد الكربون في الغلاف الجوي. وقد تم إيلاء اهتمام أقل بكثير للنظم الإيكولوجية الجبلية في أمريكا الجنوبية التي تشمل الغابات الجبلية والغطاء النباتي في جبال الألب (بارامو، بونا، الأراضي العشبية في أعالي الأنديز، الأراضي الرطبة، وصحة جبال الألب). يوفر مجمع الغطاء النباتي هذا مجموعة متنوعة من خدمات النظام الإيكولوجي ويشكل مختبرًا طبيعيًا على طول مختلف التاريخ الفيزيائي والجيولوجي والتطوري/الجغرافيا الحيوية، وتدرجات تاريخ استخدام الأراضي. الأهداف: نستعرض هنا الفهم التجريبي الحالي والنهج القائمة على النماذج لقياس مساهمة النظم الإيكولوجية الجبلية في توفير خدمات النظام الإيكولوجي في البيئة الاجتماعية والبيئية المتغيرة بسرعة لجبال أمريكا الجنوبية. الهدف من هذه الورقة هو تحديد خريطة طريق واسعة لتنفيذ الغطاء النباتي الجبلي في نماذج نباتية عالمية ديناميكية (DGVM) لاستخدامها في نماذج نظام الأرض (ESM)، بناءً على فهمنا الحالي من هيكلها ووظيفتها واستجابتها لمحركات التغير العالمي. كما نحدد عمليات خطوط الأشجار، الحرجة في النظم الإيكولوجية الجبلية، كعناصر رئيسية مفقودة في DGVMs/ESMs، وبالتالي نستكشف بالإضافة إلى ذلك نموذج خط الأشجار. الأساليب: تم إجراء جرد لتوافر البيانات التجريبية من ثمانية مواقع بحثية على طول جبال الأنديز وفي جنوب شرق البرازيل. من بين ثمانية مواقع، كان لدى موقعين (واحد في كل من فنزويلا والبرازيل) بعض البيانات المناخية والبيئية والفسيولوجية البيئية المحتملة مناسبة لتحديد معالم DGVM. كانت بيانات الكتلة الحيوية الثلاثية متاحة لستة مواقع. تم إجراء تقييم أولي لمحاكي بيئة الأراضي المشترك في المملكة المتحدة (JULES) DGVM لتحديد الثغرات في البيانات المتاحة وتأثيراتها على تحديد معالم النموذج ومعايرته. بالإضافة إلى ذلك، تم نمذجة الارتفاع المحتمل المحدد بالمناخ لخط الأشجار للتحقق من DGVM لقدرته على تحديد الانتقال بين الغابة الجبلية والغطاء النباتي في جبال الألب. النتائج: حددت نتائج تقييم نموذج سطح الأرض JULES العمليات الرئيسية التالية في الغابات الجبلية: الانخفاض المرتبط بدرجة الحرارة في صافي الإنتاج الأولي، والتنفس، والتخصيص للكتلة الحيوية فوق الأرض و زيادة مخزونات التربة C مع الارتفاع. كان هناك اتفاق متغير بين الكتلة الحيوية المحاكية وتلك المستمدة من القياسات الميدانية عبر المعادلات المتجانسة. الاستنتاجات: حددنا الفجوات الرئيسية بين توافر البيانات والاحتياجات إلى النمذجة القائمة على العمليات للغطاء النباتي الجبلي في أمريكا الجنوبية وديناميكياته في DGVM. لسد هذه الفجوة، نقترح شبكة متعددة التخصصات، تتألف من أعضاء المجتمعات العلمية النظرية/النمذجة والتجريبية، لدراسة الديناميكيات الطبيعية للنظم الإيكولوجية الجبلية واستجاباتها لمحركات التغيير العالمي محليًا وإقليميًا وعلى المستوى القاري، ضمن إطار النظام الاجتماعي الإيكولوجي. يشكل العمل المقدم هنا الأساس لتصميم جمع البيانات من القياسات الميدانية ومحطات المراقبة الآلية إلى بارامتير والتحقق من DGVM. تم تصميم الشبكة للتعاون مع البحوث القائمة طويلة الأجل واستكمالها - NERC Open Research A... - arrow_drop_down Natural Environment Research Council: NERC Open Research ArchiveArticle . 2023License: CC BYData sources: Bielefeld Academic Search Engine (BASE)- add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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- description Publication- keyboard_double_arrow_right Article , Journal 2016 France, United Kingdom, Germany, Brazil, Brazil, France, Australia, Australia, France- Publisher:American Geophysical Union (AGU) Funded by:EC | T-FORCES, UKRI | Amazon Integrated Carbon ..., ANR | TULIP +3 projectsEC| T-FORCES ,UKRI| Amazon Integrated Carbon Analysis / AMAZONICA ,ANR| TULIP ,UKRI| Tropical Biomes in Transition ,EC| AMAZALERT ,UKRI| Assessing the impacts of the 2010 drought on Amazon zone of transitionAuthors: G. M. F. van der Heijden; Raquel Thomas-Caesar; Hirma Ramírez-Angulo; Adriana Prieto; +55 AuthorsG. M. F. van der Heijden; Raquel Thomas-Caesar; Hirma Ramírez-Angulo; Adriana Prieto; Rafael de Paiva Salomão; C. Mendoza Bautista; Gustavo Saiz; Juliana Stropp; Wendeson Castro; John Terborgh; Ben Hur Marimon-Junior; Ana Andrade; Fredy Ramírez; Jérôme Chave; Susan G. Laurance; E. Alvarez Dávila; Oliver L. Phillips; Jon Lloyd; Jon Lloyd; Jorcely Barroso; E.N. Honorio Coronado; N. C. Pallqui Camacho; Ted R. Feldpausch; R. Vásquez Martínez; G. Lopez-Gonzalez; William F. Laurance; Emanuel Gloor; Tomas F. Domingues; Carlos A. Quesada; Luzmila Arroyo; Simon L. Lewis; Simon L. Lewis; Roel J. W. Brienen; Yadvinder Malhi; Christopher Baraloto; Christopher Baraloto; Nikée Groot; H. ter Steege; C. Oliveira dos Santos; Edmar Almeida de Oliveira; Alfredo Alarcón; David A. Neill; Beatriz Schwantes Marimon; Juan Carlos Licona; Damien Bonal; Javier E. Silva-Espejo; Marcos Silveira; V. Chama; Timothy R. Baker; G. Pardo-Molina; Agustín Rudas; Maxime Réjou-Méchain; Patricia Alvarez-Loayza; Luiz E. O. C. Aragão; Luiz E. O. C. Aragão; Sophie Fauset; Emilio Vilanova; Abel Monteagudo-Mendoza; Vincent A. Vos;- doi: 10.1002/2015gb005133 - handle: 10044/1/46047 , 10871/23248 - AbstractThe Amazon Basin has experienced more variable climate over the last decade, with a severe and widespread drought in 2005 causing large basin‐wide losses of biomass. A drought of similar climatological magnitude occurred again in 2010; however, there has been no basin‐wide ground‐based evaluation of effects on vegetation. We examine to what extent the 2010 drought affected forest dynamics using ground‐based observations of mortality and growth from an extensive forest plot network. We find that during the 2010 drought interval, forests did not gain biomass (net change: −0.43 Mg ha−1, confidence interval (CI): −1.11, 0.19, n = 97), regardless of whether forests experienced precipitation deficit anomalies. This contrasted with a long‐term biomass sink during the baseline pre‐2010 drought period (1998 to pre‐2010) of 1.33 Mg ha−1 yr−1 (CI: 0.90, 1.74, p < 0.01). The resulting net impact of the 2010 drought (i.e., reversal of the baseline net sink) was −1.95 Mg ha−1 yr−1 (CI:−2.77, −1.18; p < 0.001). This net biomass impact was driven by an increase in biomass mortality (1.45 Mg ha−1 yr−1 CI: 0.66, 2.25, p < 0.001) and a decline in biomass productivity (−0.50 Mg ha−1 yr−1, CI:−0.78, −0.31; p < 0.001). Surprisingly, the magnitude of the losses through tree mortality was unrelated to estimated local precipitation anomalies and was independent of estimated local pre‐2010 drought history. Thus, there was no evidence that pre‐2010 droughts compounded the effects of the 2010 drought. We detected a systematic basin‐wide impact of the 2010 drought on tree growth rates across Amazonia, which was related to the strength of the moisture deficit. This impact differed from the drought event in 2005 which did not affect productivity. Based on these ground data, live biomass in trees and corresponding estimates of live biomass in lianas and roots, we estimate that intact forests in Amazonia were carbon neutral in 2010 (−0.07 Pg C yr−1 CI:−0.42, 0.23), consistent with results from an independent analysis of airborne estimates of land‐atmospheric fluxes during 2010. Relative to the long‐term mean, the 2010 drought resulted in a reduction in biomass carbon uptake of 1.1 Pg C, compared to 1.6 Pg C for the 2005 event. - Hyper Article en Lig... - arrow_drop_down KITopen (Karlsruhe Institute of Technologie)Article . 2016Data sources: Bielefeld Academic Search Engine (BASE)Spiral - Imperial College Digital RepositoryArticle . 2016Data sources: Spiral - Imperial College Digital RepositoryINRIA a CCSD electronic archive serverArticle . 2016Data sources: INRIA a CCSD electronic archive serverInstitut National de la Recherche Agronomique: ProdINRAArticle . 2016License: CC-BY-ND-NCData sources: Bielefeld Academic Search Engine (BASE)Global Biogeochemical CyclesArticle . 2016 . Peer-reviewedLicense: Wiley Online Library User AgreementData sources: Crossrefhttp://dx.doi.org/10.1002/2015...Article . Peer-reviewedData sources: European Union Open Data PortalJames Cook University, Australia: ResearchOnline@JCUArticle . 2016Data sources: Bielefeld Academic Search Engine (BASE)- add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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 You have already added works in your ORCID record related to the merged Research product.All Research products- arrow_drop_down - <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1002/2015gb005133&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu- more_vert - Hyper Article en Lig... - arrow_drop_down KITopen (Karlsruhe Institute of Technologie)Article . 2016Data sources: Bielefeld Academic Search Engine (BASE)Spiral - Imperial College Digital RepositoryArticle . 2016Data sources: Spiral - Imperial College Digital RepositoryINRIA a CCSD electronic archive serverArticle . 2016Data sources: INRIA a CCSD electronic archive serverInstitut National de la Recherche Agronomique: ProdINRAArticle . 2016License: CC-BY-ND-NCData sources: Bielefeld Academic Search Engine (BASE)Global Biogeochemical CyclesArticle . 2016 . Peer-reviewedLicense: Wiley Online Library User AgreementData sources: Crossrefhttp://dx.doi.org/10.1002/2015...Article . Peer-reviewedData sources: European Union Open Data PortalJames Cook University, Australia: ResearchOnline@JCUArticle . 2016Data sources: Bielefeld Academic Search Engine (BASE)- add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.All Research products- arrow_drop_down - <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1002/2015gb005133&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu
- description Publication- keyboard_double_arrow_right Article , Other literature type 2022 United Kingdom, Russian Federation, France, United Kingdom, United Kingdom, United Kingdom, United Kingdom, Italy, United Kingdom, United Kingdom, Italy, Germany, France, Netherlands, France, Italy, United Kingdom, United Kingdom, Netherlands- Publisher:IOP Publishing Funded by:EC | T-FORCES, EC | VERIFY, EC | PANTROP +3 projectsEC| T-FORCES ,EC| VERIFY ,EC| PANTROP ,UKRI| A Socio-Ecological Observatory for the Southern African Woodlands ,UKRI| Tropical Biomes in Transition ,UKRI| SECO: Resolving the current and future carbon dynamics of the dry tropicsAuthors: Danaë M. A. Rozendaal; Daniela Requena Suárez; Véronique De Sy; Valerio Avitabile; +53 AuthorsDanaë M. A. Rozendaal; Daniela Requena Suárez; Véronique De Sy; Valerio Avitabile; Sarah Carter; Constant Yves Adou Yao; Esteban Álvarez-Dávila; Kristina J. Anderson‐Teixeira; Alejandro Araujo‐Murakami; Luzmila Arroyo; Benjamin Barca; Timothy R. Baker; Luca Birigazzi; Frans Bongers; Anne Branthomme; Roel Brienen; João M. B. Carreiras; Roberto Cazzolla Gatti; Susan C. Cook‐Patton; Mathieu Decuyper; Ben DeVries; Andrés Espejo; Ted R. Feldpausch; J Fox; Javier G. P. Gamarra; Bronson W. Griscom; Nancy L. Harris; Bruno Hérault; Eurídice N. Honorio Coronado; Inge Jonckheere; Eric Konan; Sara M. Leavitt; Simon L. Lewis; Jeremy Lindsell; Justin Kassi N'dja; Anny Estelle N'Guessan; Beatriz Schwantes Marimon; Edward T. A. Mitchard; A. Monteagudo; Alexandra Morel; Anssi Pekkarinen; Oliver L. Phillips; Lourens Poorter; Lan Qie; Ervan Rutishauser; Casey M. Ryan; Maurizio Santoro; Dos Santos Silayo; Plínio Sist; J. W. Ferry Slik; Bonaventure Sonké; Martin J. P. Sullivan; Gaia Vaglio Laurin; Emilio Vilanova; Maria M. H. Wang; Eliakimu Zahabu; Martin Herold;- Abstract For monitoring and reporting forest carbon stocks and fluxes, many countries in the tropics and subtropics rely on default values of forest aboveground biomass (AGB) from the Intergovernmental Panel on Climate Change (IPCC) guidelines for National Greenhouse Gas (GHG) Inventories. Default IPCC forest AGB values originated from 2006, and are relatively crude estimates of average values per continent and ecological zone. The 2006 default values were based on limited plot data available at the time, methods for their derivation were not fully clear, and no distinction between successional stages was made. As part of the 2019 Refinement to the 2006 IPCC Guidelines for GHG Inventories, we updated the default AGB values for tropical and subtropical forests based on AGB data from >25 000 plots in natural forests and a global AGB map where no plot data were available. We calculated refined AGB default values per continent, ecological zone, and successional stage, and provided a measure of uncertainty. AGB in tropical and subtropical forests varies by an order of magnitude across continents, ecological zones, and successional stage. Our refined default values generally reflect the climatic gradients in the tropics, with more AGB in wetter areas. AGB is generally higher in old-growth than in secondary forests, and higher in older secondary (regrowth >20 years old and degraded/logged forests) than in young secondary forests (⩽20 years old). While refined default values for tropical old-growth forest are largely similar to the previous 2006 default values, the new default values are 4.0–7.7-fold lower for young secondary forests. Thus, the refined values will strongly alter estimated carbon stocks and fluxes, and emphasize the critical importance of old-growth forest conservation. We provide a reproducible approach to facilitate future refinements and encourage targeted efforts to establish permanent plots in areas with data gaps. - CORE - arrow_drop_down COREArticle . 2022License: CC BYFull-Text: https://eprints.whiterose.ac.uk/182599/1/Rozendaal_2022_Environ._Res._Lett._17_014047.pdfData sources: CORECORE (RIOXX-UK Aggregator)Article . 2022License: CC BYFull-Text: https://eprints.whiterose.ac.uk/182599/1/Rozendaal_2022_Environ._Res._Lett._17_014047.pdfData sources: CORE (RIOXX-UK Aggregator)University of St Andrews: Digital Research RepositoryArticle . 2022License: CC BYFull-Text: https://hdl.handle.net/10023/24951Data sources: Bielefeld Academic Search Engine (BASE)GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)Article . 2022License: CC BYData sources: Bielefeld Academic Search Engine (BASE)Open Research ExeterArticle . 2022License: CC BYFull-Text: http://hdl.handle.net/10871/128940Data sources: Bielefeld Academic Search Engine (BASE)CGIAR CGSpace (Consultative Group on International Agricultural Research)Article . 2022License: CC BYFull-Text: https://hdl.handle.net/10568/117672Data sources: Bielefeld Academic Search Engine (BASE)Digital library (repository) of Tomsk State UniversityArticle . 2022Data sources: Digital library (repository) of Tomsk State Universitye-space at Manchester Metropolitan UniversityArticle . 2022Data sources: e-space at Manchester Metropolitan UniversityGFZ German Research Centre for GeosciencesArticle . 2022License: CC BYData sources: GFZ German Research Centre for GeosciencesWageningen Staff PublicationsArticle . 2022License: CC BYData sources: Wageningen Staff PublicationsSt Andrews Research RepositoryArticle . 2022 . 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- description Publication- keyboard_double_arrow_right Article , Other literature type , Journal 2019 United Kingdom, Australia, United Kingdom, United Kingdom, United Kingdom, Brazil, United Kingdom, Brazil- Publisher:Frontiers Media SA Funded by:UKRI | BIOmes of Brasil - Resili..., EC | GEOCARBON, EC | GEM-TRAIT +1 projectsUKRI| BIOmes of Brasil - Resilience, rEcovery, and Diversity: BIO-RED ,EC| GEOCARBON ,EC| GEM-TRAIT ,UKRI| Amazon Integrated Carbon Analysis / AMAZONICASophie Fauset; Manuel Gloor; Nikolaos M. Fyllas; Oliver L. Phillips; Gregory P. Asner; Timothy R. Baker; Lisa Patrick Bentley; Roel J. W. Brienen; Bradley O. Christoffersen; Jhon del Aguila-Pasquel; Christopher E. Doughty; Ted R. Feldpausch; David R. Galbraith; Rosa C. Goodman; Cécile A. J. Girardin; Euridice N. Honorio Coronado; Abel Monteagudo; Norma Salinas; Norma Salinas; Alexander Shenkin; Javier E. Silva-Espejo; Geertje van der Heijden; Rodolfo Vasquez; Esteban Alvarez-Davila; Luzmila Arroyo; Jorcely G. Barroso; Foster Brown; Wendeson Castro; Fernando Cornejo Valverde; Nallarett Davila Cardozo; Anthony Di Fiore; Terry Erwin; Isau Huamantupa-Chuquimaco; Isau Huamantupa-Chuquimaco; Percy Núñez Vargas; David Neill; Nadir Pallqui Camacho; Nadir Pallqui Camacho; Alexander Parada Gutierrez; Julie Peacock; Nigel Pitman; Nigel Pitman; Adriana Prieto; Zorayda Restrepo; Zorayda Restrepo; Agustín Rudas; Carlos A. Quesada; Marcos Silveira; Juliana Stropp; John Terborgh; John Terborgh; Simone A. Vieira; Yadvinder Malhi;- handle: 10023/24447 , 10871/38216 - On pense que le climat, la composition des espèces et les sols contrôlent le cycle du carbone et la structure des forêts amazoniennes. Ici, nous ajoutons un schéma démographique (recrutement, croissance et mortalité des arbres) à un modèle non démographique récemment développé - le simulateur de forêt basé sur les traits (TFS) – pour explorer les rôles du climat et des traits des plantes dans le contrôle de la productivité et de la structure des forêts. Nous avons comparé deux sites avec des climats différents (précipitations saisonnières versus saisonnières) et des traits végétaux. Grâce à une simulation de validation initiale, nous avons évalué si le modèle converge sur les propriétés forestières observées (productivité, variables démographiques et structurelles) en utilisant des ensembles de données de traits fonctionnels, de structure et de climat pour modéliser le cycle du carbone aux deux sites. Dans un deuxième ensemble de simulations, nous avons testé l'importance relative du climat et des traits végétaux pour les propriétés forestières dans le cadre de la TFS en utilisant le climat des deux sites avec des distributions de traits hypothétiques représentant deux axes de variation fonctionnelle (traits foliaires « rapides » par rapport à « lents » et densité de bois élevée par rapport à faible). Le modèle adapté avec les données démographiques reproduit la variation observée de la production primaire brute (GPP) et nette (NPP) et de la respiration. Cependant, la NPP et la respiration au niveau des organes de la plante (feuille, tige et racine) ont été mal simulées. Les taux de mortalité et de recrutement ont été sous-estimés. La structure de la forêt d'équilibre différait des observations du nombre de tiges suggérant soit que les forêts ne sont pas actuellement à l'équilibre, soit que des mécanismes sont absents du modèle. Les résultats de la deuxième série de simulations ont démontré que les différences de productivité étaient attribuables au climat plutôt qu'aux caractéristiques des plantes. Contrairement aux attentes, la variation des traits foliaires n'a eu aucune influence sur la GPP. Les moteurs de la structure forestière simulée étaient complexes, avec un rôle clé pour la densité du bois médiée par son lien avec la mortalité des arbres. La mortalité et les taux de recrutement modélisés étaient liés aux seuls traits des plantes, la mortalité liée à la sécheresse n'était pas prise en compte. À l'avenir, le développement du modèle devrait se concentrer sur l'amélioration de l'allocation, de la mortalité, de la respiration des organes, de la simulation des arbres du sous-étage et de l'ajout de traits hydrauliques. Ce type de modèle qui intègre diverses stratégies d'arbres, une structure forestière détaillée et une physiologie réaliste est nécessaire si nous voulons être en mesure de simuler les réponses des forêts tropicales aux scénarios de changement global. Se cree que el clima, la composición de las especies y los suelos controlan el ciclo del carbono y la estructura forestal en los bosques amazónicos. Aquí, agregamos un esquema demográfico (reclutamiento, crecimiento y mortalidad de árboles) a un modelo no demográfico recientemente desarrollado, el Simulador Forestal Basado en Rasgos (TFS), para explorar los roles del clima y los rasgos de las plantas en el control de la productividad y la estructura forestal. Comparamos dos sitios con diferentes climas (precipitación estacional versus estacional) y rasgos de plantas. A través de una simulación de validación inicial, evaluamos si el modelo converge en las propiedades forestales observadas (productividad, variables demográficas y estructurales) utilizando conjuntos de datos de rasgos funcionales, estructura y clima para modelar el ciclo del carbono en los dos sitios. En un segundo conjunto de simulaciones, probamos la importancia relativa de los rasgos climáticos y vegetales para las propiedades forestales dentro del marco de TFS utilizando el clima de los dos sitios con distribuciones hipotéticas de rasgos que representan dos ejes de variación funcional (rasgos de hojas 'rápidas' versus 'lentas' y alta versus baja densidad de madera). El modelo adaptado con datos demográficos reprodujo la variación observada en la producción primaria bruta (GPP) y neta (NPP) y la respiración. Sin embargo, la NPP y la respiración a nivel de los órganos de la planta (hoja, tallo y raíz) se simularon mal. Las tasas de mortalidad y reclutamiento se subestimaron. La estructura del bosque en equilibrio difería de lo observado en el número de tallos, lo que sugiere que los bosques no están actualmente en equilibrio o que faltan mecanismos en el modelo. Los hallazgos del segundo conjunto de simulaciones demostraron que las diferencias en la productividad fueron impulsadas por el clima, en lugar de los rasgos de las plantas. Contrariamente a lo esperado, los rasgos foliares variables no tuvieron influencia en la GPP. Los impulsores de la estructura forestal simulada eran complejos, con un papel clave para la densidad de la madera mediada por su vínculo con la mortalidad de los árboles. Las tasas de mortalidad y reclutamiento modeladas se vincularon solo a los rasgos de las plantas, no se tuvo en cuenta la mortalidad relacionada con la sequía. En el futuro, el desarrollo del modelo debe centrarse en mejorar la asignación, la mortalidad, la respiración de órganos, la simulación de árboles de sotobosque y la adición de rasgos hidráulicos. Este tipo de modelo que incorpora diversas estrategias de árboles, una estructura forestal detallada y una fisiología realista es necesario si queremos poder simular las respuestas de los bosques tropicales a los escenarios de cambio global. Climate, species composition, and soils are thought to control carbon cycling and forest structure in Amazonian forests. Here, we add a demographics scheme (tree recruitment, growth, and mortality) to a recently developed non-demographic model - the Trait-based Forest Simulator (TFS) – to explore the roles of climate and plant traits in controlling forest productivity and structure. We compared two sites with differing climates (seasonal versus aseasonal precipitation) and plant traits. Through an initial validation simulation, we assessed whether the model converges on observed forest properties (productivity, demographic and structural variables) using datasets of functional traits, structure, and climate to model the carbon cycle at the two sites. In a second set of simulations, we tested the relative importance of climate and plant traits for forest properties within the TFS framework using the climate from the two sites with hypothetical trait distributions representing two axes of functional variation ('fast' versus 'slow' leaf traits, and high versus low wood density). The adapted model with demographics reproduced observed variation in gross (GPP) and net (NPP) primary production, and respiration. However NPP and respiration at the level of plant organs (leaf, stem, and root) were poorly simulated. Mortality and recruitment rates were underestimated. The equilibrium forest structure differed from observations of stem numbers suggesting either that the forests are not currently at equilibrium or that mechanisms are missing from the model. Findings from the second set of simulations demonstrated that differences in productivity were driven by climate, rather than plant traits. Contrary to expectation, varying leaf traits had no influence on GPP. Drivers of simulated forest structure were complex, with a key role for wood density mediated by its link to tree mortality. Modelled mortality and recruitment rates were linked to plant traits alone, drought-related mortality was not accounted for. In future, model development should focus on improving allocation, mortality, organ respiration, simulation of understory trees and adding hydraulic traits. This type of model that incorporates diverse tree strategies, detailed forest structure and realistic physiology is necessary if we are to be able to simulate tropical forest responses to global change scenarios. يُعتقد أن المناخ وتكوين الأنواع والتربة تتحكم في دورة الكربون وهيكل الغابات في غابات الأمازون. هنا، نضيف مخططًا ديموغرافيًا (تجنيد الأشجار والنمو والوفيات) إلى نموذج غير ديموغرافي تم تطويره مؤخرًا - محاكي الغابات القائم على السمات (TFS) – لاستكشاف أدوار المناخ والسمات النباتية في التحكم في إنتاجية الغابات وهيكلها. قارنا موقعين بمناخين مختلفين (هطول الأمطار الموسمية مقابل هطول الأمطار الموسمية) وسمات النبات. من خلال محاكاة التحقق الأولية، قمنا بتقييم ما إذا كان النموذج يتقارب مع خصائص الغابات المرصودة (الإنتاجية والمتغيرات الديموغرافية والهيكلية) باستخدام مجموعات بيانات من السمات الوظيفية والهيكل والمناخ لنمذجة دورة الكربون في الموقعين. في مجموعة ثانية من عمليات المحاكاة، اختبرنا الأهمية النسبية للمناخ والسمات النباتية لخصائص الغابات ضمن إطار TFS باستخدام المناخ من الموقعين مع توزيعات سمات افتراضية تمثل محورين من التباين الوظيفي (سمات الأوراق "السريعة" مقابل "البطيئة"، والكثافة الخشبية العالية مقابل المنخفضة). أدى النموذج المعدل مع التركيبة السكانية إلى إعادة إنتاج التباين الملحوظ في الإنتاج الأولي الإجمالي (GPP) والصافي (NPP) والتنفس. ومع ذلك، تمت محاكاة NPP والتنفس على مستوى الأعضاء النباتية (الورقة والجذع والجذر) بشكل سيئ. تم التقليل من شأن معدلات الوفيات والتجنيد. اختلفت بنية غابة التوازن عن ملاحظات أرقام الساق التي تشير إما إلى أن الغابات ليست في حالة توازن حاليًا أو أن الآليات مفقودة من النموذج. أظهرت النتائج المستخلصة من المجموعة الثانية من عمليات المحاكاة أن الاختلافات في الإنتاجية كانت مدفوعة بالمناخ، وليس بالسمات النباتية. على عكس التوقعات، لم يكن لسمات الأوراق المختلفة أي تأثير على GPP. كانت محركات بنية الغابات المحاكاة معقدة، مع دور رئيسي لكثافة الأخشاب التي يتوسطها ارتباطها بموت الأشجار. تم ربط معدلات الوفيات والتجنيد النموذجية بسمات النبات وحدها، ولم يتم احتساب الوفيات المرتبطة بالجفاف. في المستقبل، يجب أن يركز تطوير النموذج على تحسين التخصيص والوفيات وتنفس الأعضاء ومحاكاة الأشجار تحت الأرض وإضافة سمات هيدروليكية. هذا النوع من النماذج الذي يتضمن استراتيجيات متنوعة للأشجار وبنية مفصلة للغابات وعلم وظائف الأعضاء الواقعي ضروري إذا أردنا أن نكون قادرين على محاكاة استجابات الغابات الاستوائية لسيناريوهات التغير العالمي. - Frontiers in Earth S... - arrow_drop_down Repositório do INPAArticle . 2019License: CC BY NC NDData sources: Bielefeld Academic Search Engine (BASE)Open Research ExeterArticle . 2019License: CC BYFull-Text: http://hdl.handle.net/10871/38216Data sources: Bielefeld Academic Search Engine (BASE)University of St Andrews: Digital Research RepositoryArticle . 2021License: CC BYFull-Text: https://hdl.handle.net/10023/24447Data sources: Bielefeld Academic Search Engine (BASE)James Cook University, Australia: ResearchOnline@JCUArticle . 2019Full-Text: https://doi.org/10.3389/feart.2019.00083Data sources: Bielefeld Academic Search Engine (BASE)St Andrews Research RepositoryArticle . 2019 . Peer-reviewedData sources: St Andrews Research Repository- add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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- description Publication- keyboard_double_arrow_right Article , Conference object , Other literature type , Journal 2017 Australia- Publisher:Springer Science and Business Media LLC Funded by:UKRI | Niche evolution of South ..., UKRI | Tropical Biomes in Transi..., UKRI | Assessing the Impacts of ... +4 projectsUKRI| Niche evolution of South American trees and its consequences ,UKRI| Tropical Biomes in Transition ,UKRI| Assessing the Impacts of the Recent Amazonian Drought ,EC| GEOCARBON ,EC| T-FORCES ,UKRI| Amazon Integrated Carbon Analysis / AMAZONICA ,UKRI| Assessing the impacts of the 2010 drought on Amazon zone of transitionPhillips, Oliver L.; Brienen, Roel J.W.; Gloor, E.; Baker, T. R.; Lloyd, Jon; Lopez-Gonzalez, G.; Monteagudo-Mendoza, A.; Malhi, Y.; Lewis, S. L.; Vásquez Martinez, R.; Alexiades, M.; Álvarez Dávila, E.; Alvarez-Loayza, P.; Andrade, A.; Aragão, L. E.O.C.; Araujo-Murakami, A.; Arets, E. J.M.M.; Arroyo, L.; Aymard, G. A.; Bánki, O. S.; Baraloto, C.; Barroso, J.; Bonal, D.; Boot, R. G.A.; Camargo, J. L.C.; Castilho, C. V.; Chama, V.; Chao, K. J.; Chave, J.; Comiskey, J. A.; Valverde, F. Cornejo; da Costa, L.; de Oliveira, E. A.; Di Fiore, A.; Erwin, T. L.; Fauset, S.; Forsthofer, M.; Galbraith, D. R.; Grahame, E. S.; Groot, N.; Hérault, B.; Higuchi, N.; Honorio Coronado, E. N.; Keeling, H.; Killeen, T. J.; Laurance, William F.; Laurance, Susan; Licona, J.; Magnusson, W. E.; Marimon, B. S.; Marimon-Junior, B. H.; Mendoza, C.; Neill, D. A.; Nogueira, E. M.; Núñez, P.; Pallqui Camacho, N. C.; Parada, A.; Pardo-Molina, G.; Peacock, J.; Peña-Claros, M.; Pickavance, G. C.; Pitman, N. C.A.; Poorter, L.; Prieto, A.; Quesada, C. A.; Ramírez, F.; Ramírez-Angulo, H.; Restrepo, Z.; Roopsind, A.; Rudas, A.; Salomão, R. P.; Schwarz, M.; Silva, N.; Silva-Espejo, J. E.; Silveira, M.; Stropp, J.; Talbot, J.; ter Steege, H.; Teran-Aguilar, J.; Terborgh, J.; Thomas-Caesar, R.; Toledo, M.; Torello-Raventos, M.; Umetsu, K.; van der Heijden, G. M.F.; van der Hout, P.; Guimarães Vieira, I. C.; Vieira, S. A.; Vilanova, E.; Vos, V. A.; Zagt, R. J.; Alarcon, A.; Amaral, I.; Camargo, P. P.Barbosa; Brown, I. F.; Blanc, L.; Burban, B.; Cardozo, N.; Engel, J.; de Freitas, M. A.; RAINFOR Collaboration;- Several independent lines of evidence suggest that Amazon forests have provided a significant carbon sink service, and also that the Amazon carbon sink in intact, mature forests may now be threatened as a result of different processes. There has however been no work done to quantify non-land-use-change forest carbon fluxes on a national basis within Amazonia, or to place these national fluxes and their possible changes in the context of the major anthropogenic carbon fluxes in the region. Here we present a first attempt to interpret results from ground-based monitoring of mature forest carbon fluxes in a biogeographically, politically, and temporally differentiated way. Specifically, using results from a large long-term network of forest plots, we estimate the Amazon biomass carbon balance over the last three decades for the different regions and nine nations of Amazonia, and evaluate the magnitude and trajectory of these differentiated balances in relation to major national anthropogenic carbon emissions.The sink of carbon into mature forests has been remarkably geographically ubiquitous across Amazonia, being substantial and persistent in each of the five biogeographic regions within Amazonia. Between 1980 and 2010, it has more than mitigated the fossil fuel emissions of every single national economy, except that of Venezuela. For most nations (Bolivia, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname) the sink has probably additionally mitigated all anthropogenic carbon emissions due to Amazon deforestation and other land use change. While the sink has weakened in some regions since 2000, our analysis suggests that Amazon nations which are able to conserve large areas of natural and semi-natural landscape still contribute globally-significant carbon sequestration.Mature forests across all of Amazonia have contributed significantly to mitigating climate change for decades. Yet Amazon nations have not directly benefited from providing this global scale ecosystem service. We suggest that better monitoring and reporting of the carbon fluxes within mature forests, and understanding the drivers of changes in their balance, must become national, as well as international, priorities. - James Cook Universit... - arrow_drop_down James Cook University, Australia: ResearchOnline@JCUArticle . 2017Full-Text: https://doi.org/10.1186/s13021-016-0069-2Data sources: Bielefeld Academic Search Engine (BASE)- add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.All Research products- arrow_drop_down - <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1186/s13021-016-0069-2&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu- more_vert - James Cook Universit... - arrow_drop_down James Cook University, Australia: ResearchOnline@JCUArticle . 2017Full-Text: https://doi.org/10.1186/s13021-016-0069-2Data sources: Bielefeld Academic Search Engine (BASE)- add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.All Research products- arrow_drop_down - <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1186/s13021-016-0069-2&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu
- description Publication- keyboard_double_arrow_right Article , Other literature type 2024Embargo end date: 01 Jan 2024 Italy, United Kingdom, Italy, Italy, Austria, United Kingdom, France, France, United Kingdom, Switzerland, Netherlands, Belgium, Germany, Germany, United Kingdom, United States, United Kingdom, Denmark, Italy, Germany- Publisher:Springer Science and Business Media LLC Funded by:EC | T-FORCES, UKRI | Biodiversity, carbon stor..., UKRI | Assessing the Impacts of ... +7 projectsEC| T-FORCES ,UKRI| Biodiversity, carbon storage, and productivity of the world's tropical forests. ,UKRI| Assessing the Impacts of the Recent Amazonian Drought ,EC| FUNDIVEUROPE ,UKRI| BioResilience: Biodiversity resilience and ecosystem services in post-conflict socio-ecological systems in Colombia ,UKRI| ARBOLES: A trait-based Understanding of LATAM Forest Biodiversity and Resilience ,UKRI| Do past fires explain current carbon dynamics of Amazonian forests? ,UKRI| FAPESP - Amazon PyroCarbon: Quantifying soil carbon responses to fire and climate change ,UKRI| Tropical Biomes in Transition ,UKRI| Niche evolution of South American trees and its consequencesMo, Lidong; Crowther, Thomas; Maynard, Daniel; van den Hoogen, Johan; Ma, Haozhi; Bialic-Murphy, Lalasia; Liang, Jingjing; De-Miguel, Sergio; Nabuurs, Gert-Jan; Reich, Peter; Phillips, Oliver; Abegg, Meinrad; Adou Yao, Yves; Alberti, Giorgio; Almeyda Zambrano, Angelica; Alvarado, Braulio Vilchez; Alvarez-Dávila, Esteban; Alvarez-Loayza, Patricia; Alves, Luciana; Amaral, Iêda; Ammer, Christian; Antón-Fernández, Clara; Araujo-Murakami, Alejandro; Arroyo, Luzmila; Avitabile, Valerio; Aymard, Gerardo; Baker, Timothy; Bałazy, Radomir; Banki, Olaf; Barroso, Jorcely; Bastian, Meredith; Bastin, Jean-Francois; Birigazzi, Luca; Birnbaum, Philippe; Bitariho, Robert; Boeckx, Pascal; Bongers, Frans; Boonman, Coline; Bouriaud, Olivier; Brancalion, Pedro; Brandl, Susanne; Brearley, Francis; Brienen, Roel; Broadbent, Eben; Bruelheide, Helge; Bussotti, Filippo; Gatti, Roberto Cazzolla; César, Ricardo; Cesljar, Goran; Chazdon, Robin; Chen, Han; Chisholm, Chelsea; Cho, Hyunkook; Cienciala, Emil; Clark, Connie; Clark, David; Colletta, Gabriel; Coomes, David; Valverde, Fernando Cornejo; Corral-Rivas, José; Crim, Philip; Cumming, Jonathan; Dayanandan, Selvadurai; de Gasper, André; Decuyper, Mathieu; Derroire, Géraldine; Devries, Ben; Djordjevic, Ilija; Dolezal, Jiri; Dourdain, Aurélie; Engone Obiang, Nestor Laurier; Enquist, Brian; Eyre, Teresa; Fandohan, Adandé Belarmain; Fayle, Tom; Feldpausch, Ted; Ferreira, Leandro; Finér, Leena; Fischer, Markus; Fletcher, Christine; Frizzera, Lorenzo; Gamarra, Javier; Gianelle, Damiano; Glick, Henry; Harris, David; Hector, Andrew; Hemp, Andreas; Hengeveld, Geerten; Hérault, Bruno; Herbohn, John; Herold, Martin; Hietz, Peter; Hillers, Annika; Honorio Coronado, Eurídice; Hui, Cang; Ibanez, Thomas; Imai, Nobuo; Jagodziński, Andrzej; Jaroszewicz, Bogdan; Johannsen, Vivian Kvist; Joly, Carlos; Jucker, Tommaso; Jung, Ilbin; Karminov, Viktor; Kartawinata, Kuswata; Kearsley, Elizabeth; Kenfack, David; Kennard, Deborah; Kepfer-Rojas, Sebastian; Keppel, Gunnar; Khan, Mohammed Latif; Killeen, Timothy; Kim, Hyun Seok; Kitayama, Kanehiro; Köhl, Michael; Korjus, Henn; Kraxner, Florian; Kucher, Dmitry; Laarmann, Diana; Lang, Mait; Lewis, Simon; Li, Yuanzhi; Lopez-Gonzalez, Gabriela; Lu, Huicui; Lukina, Natalia; Maitner, Brian; Malhi, Yadvinder; Marcon, Eric; Marimon, Beatriz Schwantes; Marimon-Junior, Ben Hur; Marshall, Andrew; Martin, Emanuel; Mccarthy, James; Meave, Jorge; Melo-Cruz, Omar; Mendoza, Casimiro; Mendoza-Polo, Irina; Miscicki, Stanislaw; Merow, Cory; Mendoza, Abel Monteagudo; Moreno, Vanessa; Mukul, Sharif; Mundhenk, Philip; Nava-Miranda, María Guadalupe; Neill, David; Neldner, Victor; Nevenic, Radovan; Ngugi, Michael; Niklaus, Pascal; Ontikov, Petr; Ortiz-Malavasi, Edgar; Pan, Yude; Paquette, Alain; Parada-Gutierrez, Alexander; Parfenova, Elena; Park, Minjee; Parren, Marc; Parthasarathy, Narayanaswamy; Peri, Pablo; Pfautsch, Sebastian; Picard, Nicolas; Piedade, Maria Teresa F.; Piotto, Daniel; Pitman, Nigel; Poorter, Lourens; Poulsen, Axel Dalberg; Poulsen, John; Pretzsch, Hans; Arevalo, Freddy Ramirez; Restrepo-Correa, Zorayda; Richardson, Sarah; Rodeghiero, Mirco; Rolim, Samir; Roopsind, Anand; Rovero, Francesco; Rutishauser, Ervan; Saikia, Purabi; Salas-Eljatib, Christian; Saner, Philippe; Schall, Peter; Schelhaas, Mart-Jan; Schepaschenko, Dmitry; Scherer-Lorenzen, Michael; Schmid, Bernhard; Schöngart, Jochen; Searle, Eric; Seben, Vladimír; Serra-Diaz, Josep; Sheil, Douglas; Shvidenko, Anatoly; da Silva, Ana Carolina; Silva-Espejo, Javier; Silveira, Marcos; Singh, James; Sist, Plinio; Slik, Ferry; Sonké, Bonaventure; Sosinski, Enio Egon; Souza, Alexandre; Stereńczak, Krzysztof;- pmid: 39406932 - pmc: PMC11618071 - AbstractThe density of wood is a key indicator of the carbon investment strategies of trees, impacting productivity and carbon storage. Despite its importance, the global variation in wood density and its environmental controls remain poorly understood, preventing accurate predictions of global forest carbon stocks. Here we analyse information from 1.1 million forest inventory plots alongside wood density data from 10,703 tree species to create a spatially explicit understanding of the global wood density distribution and its drivers. Our findings reveal a pronounced latitudinal gradient, with wood in tropical forests being up to 30% denser than that in boreal forests. In both angiosperms and gymnosperms, hydrothermal conditions represented by annual mean temperature and soil moisture emerged as the primary factors influencing the variation in wood density globally. This indicates similar environmental filters and evolutionary adaptations among distinct plant groups, underscoring the essential role of abiotic factors in determining wood density in forest ecosystems. Additionally, our study highlights the prominent role of disturbance, such as human modification and fire risk, in influencing wood density at more local scales. Factoring in the spatial variation of wood density notably changes the estimates of forest carbon stocks, leading to differences of up to 21% within biomes. Therefore, our research contributes to a deeper understanding of terrestrial biomass distribution and how environmental changes and disturbances impact forest ecosystems. - Archivio istituziona... - arrow_drop_down University of California: eScholarshipArticle . 2024License: CC BYFull-Text: https://escholarship.org/uc/item/0ww862ndData sources: Bielefeld Academic Search Engine (BASE)KITopen (Karlsruhe Institute of Technologie)Article . 2024License: CC BYData sources: Bielefeld Academic Search Engine (BASE)Fondazione Edmund Mach: IRIS-OpenPubArticle . 2024Full-Text: https://hdl.handle.net/10449/88495Data sources: Bielefeld Academic Search Engine (BASE)Oxford University Research ArchiveArticle . 2024License: CC BYData sources: Oxford University Research ArchiveCopenhagen University Research Information SystemArticle . 2024Data sources: Copenhagen University Research Information Systeme-space at Manchester Metropolitan UniversityArticle . 2024Data sources: e-space at Manchester Metropolitan UniversityeScholarship - University of CaliforniaArticle . 2024Data sources: eScholarship - University of CaliforniaWageningen Staff PublicationsArticle . 2024License: CC BYData sources: Wageningen Staff PublicationsGFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)Article . 2024License: CC BYData sources: Bielefeld Academic Search Engine (BASE)University of Copenhagen: ResearchArticle . 2024Data sources: Bielefeld Academic Search Engine (BASE)University of Bristol: Bristol ResearchArticle . 2024Data sources: Bielefeld Academic Search Engine (BASE)Institut National de la Recherche Agronomique: ProdINRAArticle . 2024Data sources: Bielefeld Academic Search Engine (BASE)Ghent University Academic BibliographyArticle . 2024Data sources: Ghent University Academic BibliographyNaturalis Institutional RepositoryArticle . 2024Data sources: Bielefeld Academic Search Engine (BASE)- add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.All Research products- arrow_drop_down - <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1038/s41559-024-02564-9&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu- more_vert - Archivio istituziona... - arrow_drop_down University of California: eScholarshipArticle . 2024License: CC BYFull-Text: https://escholarship.org/uc/item/0ww862ndData sources: Bielefeld Academic Search Engine (BASE)KITopen (Karlsruhe Institute of Technologie)Article . 2024License: CC BYData sources: Bielefeld Academic Search Engine (BASE)Fondazione Edmund Mach: IRIS-OpenPubArticle . 2024Full-Text: https://hdl.handle.net/10449/88495Data sources: Bielefeld Academic Search Engine (BASE)Oxford University Research ArchiveArticle . 2024License: CC BYData sources: Oxford University Research ArchiveCopenhagen University Research Information SystemArticle . 2024Data sources: Copenhagen University Research Information Systeme-space at Manchester Metropolitan UniversityArticle . 2024Data sources: e-space at Manchester Metropolitan UniversityeScholarship - University of CaliforniaArticle . 2024Data sources: eScholarship - University of CaliforniaWageningen Staff PublicationsArticle . 2024License: CC BYData sources: Wageningen Staff PublicationsGFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)Article . 2024License: CC BYData sources: Bielefeld Academic Search Engine (BASE)University of Copenhagen: ResearchArticle . 2024Data sources: Bielefeld Academic Search Engine (BASE)University of Bristol: Bristol ResearchArticle . 2024Data sources: Bielefeld Academic Search Engine (BASE)Institut National de la Recherche Agronomique: ProdINRAArticle . 2024Data sources: Bielefeld Academic Search Engine (BASE)Ghent University Academic BibliographyArticle . 2024Data sources: Ghent University Academic BibliographyNaturalis Institutional RepositoryArticle . 2024Data sources: Bielefeld Academic Search Engine (BASE)- add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.All Research products- arrow_drop_down - <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1038/s41559-024-02564-9&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu
- description Publication- keyboard_double_arrow_right Article , Journal 2009 Netherlands, France, France, Brazil, France, Brazil, France, France, France, France, Spain, Australia- Publisher:Wiley Funded by:UKRI | Assessing the Impacts of ...UKRI| Assessing the Impacts of the Recent Amazonian DroughtGloor, M.; Phillips, Oliver L.; Lloyd, J.J.; Lewis, Simon L.; Malhi, Yadvinder; Baker, T.R.; Lopez-Gonzales, G.; Peacock, J.; Almeida, S.; Alves de Oliveira, Alessandro-C.; Alvarez, E.; Amaral, I.; Arroyo, L.; Aymard, G.; Banki, O.; Blanc, Lilian; Bonal, Damien; Brando, P.; Chao, Kuo-Jung; Chave, Jérôme; Davila, N.; Erwin, T.; Silva, J.; Di Fiore, A.; Feldpausch, T.R.; Freitas, A.; Herrera, R.; Higuchi, N.; Honorio, E.; Jimenez, E.; Killeen, T.; Laurance, W.; Mendoza, C.; Monteagudo, A.; Andrade, A.; Neill, D.; Nepstad, D.; Nunez Vargas, P.; Penuela, M.C.; Pena Cruz, A.; Prieto, A.; Pitman, N.; Quesada, C.; Salomao, R.; Silveira, Marcos; Schwarz, Michael; Stropp, J.; Ramirez, F.; Ramirez, H.; Rudas, A.; ter Steege, H.; Silva, N.; Torres, A.; Terborgh, J.; Vasquez, R.; van Der Heijden, G.;- handle: 10088/11918 , 10568/20705 - AbstractPositive aboveground biomass trends have been reported from old‐growth forests across the Amazon basin and hypothesized to reflect a large‐scale response to exterior forcing. The result could, however, be an artefact due to a sampling bias induced by the nature of forest growth dynamics. Here, we characterize statistically the disturbance process in Amazon old‐growth forests as recorded in 135 forest plots of the RAINFOR network up to 2006, and other independent research programmes, and explore the consequences of sampling artefacts using a data‐based stochastic simulator. Over the observed range of annual aboveground biomass losses, standard statistical tests show that the distribution of biomass losses through mortality follow an exponential or near‐identical Weibull probability distribution and not a power law as assumed by others. The simulator was parameterized using both an exponential disturbance probability distribution as well as a mixed exponential–power law distribution to account for potential large‐scale blowdown events. In both cases, sampling biases turn out to be too small to explain the gains detected by the extended RAINFOR plot network. This result lends further support to the notion that currently observed biomass gains for intact forests across the Amazon are actually occurring over large scales at the current time, presumably as a response to climate change. - Hyper Article en Lig... - arrow_drop_down Institut National de la Recherche Agronomique: ProdINRAArticle . 2009License: CC-BY-ND-NCFull-Text: https://hal.science/hal-01032162Data sources: Bielefeld Academic Search Engine (BASE)CIRAD: HAL (Agricultural Research for Development)Article . 2009Full-Text: https://hal.science/hal-01032162Data sources: Bielefeld Academic Search Engine (BASE)Recolector de Ciencia Abierta, RECOLECTAArticle . 2009 . Peer-reviewedLicense: CC BY NC NDData sources: Recolector de Ciencia Abierta, RECOLECTAINRIA a CCSD electronic archive serverArticle . 2009Data sources: INRIA a CCSD electronic archive serverGlobal Change BiologyArticle . 2009 . Peer-reviewedLicense: Wiley Online Library User AgreementData sources: CrossrefJames Cook University, Australia: ResearchOnline@JCUArticle . 2009Data sources: Bielefeld Academic Search Engine (BASE)- add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.All Research products- arrow_drop_down - <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1111/j.1365-2486.2009.01891.x&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu- more_vert - Hyper Article en Lig... - arrow_drop_down Institut National de la Recherche Agronomique: ProdINRAArticle . 2009License: CC-BY-ND-NCFull-Text: https://hal.science/hal-01032162Data sources: Bielefeld Academic Search Engine (BASE)CIRAD: HAL (Agricultural Research for Development)Article . 2009Full-Text: https://hal.science/hal-01032162Data sources: Bielefeld Academic Search Engine (BASE)Recolector de Ciencia Abierta, RECOLECTAArticle . 2009 . Peer-reviewedLicense: CC BY NC NDData sources: Recolector de Ciencia Abierta, RECOLECTAINRIA a CCSD electronic archive serverArticle . 2009Data sources: INRIA a CCSD electronic archive serverGlobal Change BiologyArticle . 2009 . Peer-reviewedLicense: Wiley Online Library User AgreementData sources: CrossrefJames Cook University, Australia: ResearchOnline@JCUArticle . 2009Data sources: Bielefeld Academic Search Engine (BASE)- add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.All Research products- arrow_drop_down - <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1111/j.1365-2486.2009.01891.x&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu
- description Publication- keyboard_double_arrow_right Article , Other literature type 2023Embargo end date: 01 Jan 2023 France, Germany, United Kingdom, Italy, United States, Italy, Italy, France, United Kingdom, Italy, Italy, Austria, Germany, United Kingdom, United Kingdom, Czech Republic, Switzerland, Russian Federation, Russian Federation, Italy, Belgium, Denmark, Germany, Czech Republic, Germany, Netherlands, Italy, United Kingdom, Denmark, Switzerland, Italy, Italy, France- Publisher:Springer Science and Business Media LLC Funded by:NSF | Doctoral Dissertation Res..., UKRI | BIOmes of Brasil - Resili..., EC | T-FORCES +3 projectsNSF| Doctoral Dissertation Research: Effects of a Dispersal Barrier on Cultural Similarity in Wild Orangutans (Pongo pygmaeus wurmbii) ,UKRI| BIOmes of Brasil - Resilience, rEcovery, and Diversity: BIO-RED ,EC| T-FORCES ,UKRI| Tropical forests responses to a changing climate: a quest at the interface between trait-based ecology, forest dynamics and remote sensing ,EC| FUNDIVEUROPE ,SNSF| The functional biogeography of the global forest systemMa, Haozhi; Crowther, Thomas W.; Crowther, Thomas W.; Mo, Lidong; Maynard, Daniel S.; Renner, Susanne S.; Van Den Hoogen, Johan; Zou, Yibiao; Liang, Jingjing; De-Miguel, Sergio; Nabuurs, Gert-Jan; Reich, Peter B.; Niinemets, Ülo; Abegg, Meinrad; Adou Yao, Yves C.; Alberti, Giorgio; Almeyda Zambrano, Angelica M.; Alvarado, Braulio Vilchez; Alvarez-Dávila, Esteban; Alvarez-Loayza, Patricia; Alves, Luciana F.; Ammer, Christian; Antón-Fernández, Clara; Araujo-Murakami, Alejandro; Arroyo, Luzmila; Avitabile, Valerio; Aymard, Gerardo A.; Baker, Timothy R.; Bałazy, Radomir; Banki, Olaf; Barroso, Jorcely G.; Bastian, Meredith L.; Bastin, Jean-Francois; Birigazzi, Luca; Birnbaum, Philippe; Bitariho, Robert; Boeckx, Pascal; Bongers, Frans; Bouriaud, Olivier; Brancalion, Pedro H. S.; Brandl, Susanne; Brearley, Francis Q.; Brienen, Roel; Broadbent, Eben N.; Bruelheide, Helge; Bussotti, Filippo; Cazzolla Gatti, Roberto; César, Ricardo G.; Cesljar, Goran; Chazdon, Robin; Chen, Han Y. H.; Chisholm, Chelsea; Cho, Hyunkook; Cienciala, Emil; Clark, Connie; Clark, David; Colletta, Gabriel D.; Coomes, David A.; Valverde, Fernando Cornejo; Corral-Rivas, José J.; Crim, Philip M.; Cumming, Jonathan R.; Dayanandan, Selvadurai; De Gasper, André L.; Decuyper, Mathieu; Derroire, Géraldine; DeVries, Ben; Djordjevic, Ilija; Dolezal, Jiri; Dourdain, Aurélie; Engone Obiang, Nestor Laurier; Enquist, Brian J.; Eyre, Teresa J.; Fandohan, Adandé Belarmain; Fayle, Tom M.; Feldpausch, Ted R.; Ferreira, Leandro V.; Finér, Leena; Fischer, Markus; Fletcher, Christine; Fridman, Jonas; Frizzera, Lorenzo; Gamarra, Javier G. P.; Gianelle, Damiano; Glick, Henry B.; Harris, David J.; Hector, Andrew; Hemp, Andreas; Hengeveld, Geerten; Hérault, Bruno; Herbohn, John L.; Herold, Martin; Hillers, Annika; Honorio Coronado, Eurídice N.; Hui, Cang; Ibanez, Thomas T.; Amaral, Iêda; Imai, Nobuo; Jagodziński, Andrzej M.; Jaroszewicz, Bogdan; Johannsen, Vivian Kvist; Joly, Carlos A.; Jucker, Tommaso; Jung, Ilbin; Karminov, Viktor; Kartawinata, Kuswata; Kearsley, Elizabeth; Kenfack, David; Kennard, Deborah K.; Kepfer-Rojas, Sebastian; Keppel, Gunnar; Khan, Mohammed Latif; Khan, Mohammed Latif; Killeen, Timothy J.; Kim, Hyun Seok; Kitayama, Kanehiro; Köhl, Michael; Korjus, Henn; Kraxner, Florian; Kucher, Dmitry; Laarmann, Diana; Lang, Mait; Lewis, Simon L.; Lu, Huicui; Lukina, Natalia V.; Maitner, Brian S.; Malhi, Yadvinder; Marcon, Eric; Marimon, Beatriz Schwantes; Marimon-Junior, Ben Hur; Marshall, Andrew R.; Martin, Emanuel H.; Meave, Jorge A.; Melo-Cruz, Omar; Mendoza, Casimiro; Merow, Cory; Monteagudo Mendoza, Abel; Moreno, Vanessa S.; Mukul, Sharif A.; Mundhenk, Philip; Nava-Miranda, María Guadalupe; Neill, David; Neldner, Victor J.; Nevenic, Radovan V.; Ngugi, Michael R.; Niklaus, Pascal A.; Oleksyn, Jacek; Ontikov, Petr; Ortiz-Malavasi, Edgar; Pan, Yude; Paquette, Alain; Parada-Gutierrez, Alexander; Parfenova, Elena I.; Park, Minjee; Parren, Marc; Parthasarathy, Narayanaswamy; Peri, Pablo L.; Pfautsch, Sebastian; Phillips, Oliver L.; Picard, Nicolas; Piedade, Maria Teresa F.; Piotto, Daniel; Pitman, Nigel C. A.; Mendoza-Polo, Irina; Poulsen, Axel D.; Poulsen, John R.; Pretzsch, Hans; Ramirez Arevalo, Freddy; Restrepo-Correa, Zorayda; Rodeghiero, Mirco; Rolim, Samir G.; Roopsind, Anand; Rovero, Francesco; Rutishauser, Ervan; Saikia, Purabi; Salas-Eljatib, Christian; Saner, Philippe; Schall, Peter; Schelhaas, Mart-Jan; Schepaschenko, Dmitry; Scherer-Lorenzen, Michael; Schmid, Bernhard; Schöngart, Jochen; Searle, Eric B.; Seben, Vladimír; Serra-Diaz, Josep M.; Sheil, Douglas; Shvidenko, Anatoly Z.; Silva-Espejo, Javier E.; Silveira, Marcos; Singh, James; Sist, Plinio; Slik, Ferry; Sonké, Bonaventure; Souza, Alexandre F.; Miścicki, Stanislaw; Stereńczak, Krzysztof J.; Svenning, Jens-Christian; Svoboda, Miroslav; Swanepoel, Ben;- doi: 10.1038/s41477-023-01543-5 , 10.3929/ethz-b-000643725 , 10.60692/0g11z-dp323 , 10.5445/ir/1000163924 , 10.60692/d6bsp-27w45 , 10.48350/187399 - pmid: 37872262 - pmc: PMC10654052 - AbstractUnderstanding what controls global leaf type variation in trees is crucial for comprehending their role in terrestrial ecosystems, including carbon, water and nutrient dynamics. Yet our understanding of the factors influencing forest leaf types remains incomplete, leaving us uncertain about the global proportions of needle-leaved, broadleaved, evergreen and deciduous trees. To address these gaps, we conducted a global, ground-sourced assessment of forest leaf-type variation by integrating forest inventory data with comprehensive leaf form (broadleaf vs needle-leaf) and habit (evergreen vs deciduous) records. We found that global variation in leaf habit is primarily driven by isothermality and soil characteristics, while leaf form is predominantly driven by temperature. Given these relationships, we estimate that 38% of global tree individuals are needle-leaved evergreen, 29% are broadleaved evergreen, 27% are broadleaved deciduous and 5% are needle-leaved deciduous. The aboveground biomass distribution among these tree types is approximately 21% (126.4 Gt), 54% (335.7 Gt), 22% (136.2 Gt) and 3% (18.7 Gt), respectively. We further project that, depending on future emissions pathways, 17–34% of forested areas will experience climate conditions by the end of the century that currently support a different forest type, highlighting the intensification of climatic stress on existing forests. By quantifying the distribution of tree leaf types and their corresponding biomass, and identifying regions where climate change will exert greatest pressure on current leaf types, our results can help improve predictions of future terrestrial ecosystem functioning and carbon cycling. - Bern Open Repository... - arrow_drop_down Bern Open Repository and Information System (BORIS)Article . 2023 . 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- description Publication- keyboard_double_arrow_right Article , Other literature type , Journal 2015 Brazil, Australia, France, France, United Kingdom, France, United Kingdom, United Kingdom, United Kingdom, France, Brazil, United Kingdom, France- Publisher:Springer Science and Business Media LLC Funded by:UKRI | Climate change and the Am..., ANR | CEBA, UKRI | Amazon Integrated Carbon ... +8 projectsUKRI| Climate change and the Amazon: assessing the impact of climate on tree growth using tree ring widths and isotopes ,ANR| CEBA ,UKRI| Amazon Integrated Carbon Analysis / AMAZONICA ,ANR| TULIP ,UKRI| Assessing the Impacts of the Recent Amazonian Drought ,EC| GEOCARBON ,UKRI| Assessing the impacts of the 2010 drought on Amazon zone of transition ,EC| AMAZALERT ,EC| GEM-TRAIT ,UKRI| Niche evolution of South American trees and its consequences ,UKRI| Tropical Biomes in TransitionAuthors: Patricia Alvarez-Loayza; Luiz E. O. C. Aragão; Luiz E. O. C. Aragão; Sophie Fauset; +98 AuthorsPatricia Alvarez-Loayza; Luiz E. O. C. Aragão; Luiz E. O. C. Aragão; Sophie Fauset; Zorayda Restrepo; Julie Peacock; P. van der Hout; Emilio Vilanova; Christopher Baraloto; Christopher Baraloto; José Luís Camargo; Simone Aparecida Vieira; L da Costa; Marielos Peña-Claros; Carolina V. Castilho; Rafael de Paiva Salomão; Vincent A. Vos; Oliver L. Phillips; Eric Arets; Miguel Alexiades; Olaf Bánki; David W. Galbraith; E. Alvarez Dávila; Javier E. Silva-Espejo; Michael P. Schwarz; Mireia Torello-Raventos; Anand Roopsind; Ted R. Feldpausch; Ted R. Feldpausch; Fredy Ramírez; Raquel Thomas-Caesar; David A. Neill; Bruno Hérault; Euler Melo Nogueira; Marcos Silveira; John Terborgh; Lourens Poorter; Simon L. Lewis; Simon L. Lewis; Hirma Ramírez-Angulo; Nigel C. A. Pitman; Nigel C. A. Pitman; William F. Laurance; Adriana Prieto; J Teran-Aguilar; Juliana Stropp; Kuo-Jung Chao; Kuo-Jung Chao; Alejandro Araujo-Murakami; N. C. Pallqui Camacho; Casimiro Mendoza; G. Pardo-Molina; A. Di Fiore; Ben Hur Marimon-Junior; Helen C. Keeling; Ana Andrade; R. Vásquez Martínez; Mônica Forsthofer; Roel J. W. Brienen; Jérôme Chave; Joey Talbot; E.N. Honorio Coronado; E.N. Honorio Coronado; Juan Carlos Licona; Natalino Silva; Ricardo Keichi Umetsu; Yadvinder Malhi; G. M. F. van der Heijden; G. M. F. van der Heijden; G. M. F. van der Heijden; E S Grahame; Luzmila Arroyo; Susan G. Laurance; James A. Comiskey; Georgia Pickavance; Timothy J. Killeen; Damien Bonal; Timothy R. Baker; René G. A. Boot; Gabriela Lopez-Gonzalez; V. Chama; F. Cornejo Valverde; W E Magnussen; Alexander Parada; Nikée Groot; Marisol Toledo; Abel Monteagudo-Mendoza; Roderick Zagt; H. ter Steege; H. ter Steege; Terry L. Erwin; Carlos A. Quesada; I. C. Guimarães Vieira; Agustín Rudas; Jon Lloyd; Jon Lloyd; E. A. de Oliveira; Beatriz Schwantes Marimon; Jorcely Barroso; Pablo Núñez; Niro Higuchi; Emanuel Gloor;- pmid: 25788097 - handle: 10871/17031 - Los registros de dióxido de carbono atmosférico indican que la superficie terrestre ha actuado como un fuerte sumidero de carbono global en las últimas décadas, y una fracción sustancial de este sumidero probablemente se encuentra en los trópicos, particularmente en la Amazonía. Sin embargo, no está claro cómo evolucionará el sumidero de carbono terrestre a medida que el clima y la composición atmosférica continúen cambiando. Aquí analizamos la evolución histórica de la dinámica de la biomasa de la selva amazónica a lo largo de tres décadas utilizando una red distribuida de 321 parcelas. Si bien este análisis confirma que los bosques amazónicos han actuado como un sumidero neto de biomasa a largo plazo, encontramos una tendencia decreciente a largo plazo de la acumulación de carbono. Las tasas de aumento neto de la biomasa superficial disminuyeron en un tercio durante la última década en comparación con la década de 1990. Esto es consecuencia de que los aumentos de la tasa de crecimiento se estabilizaron recientemente, mientras que la mortalidad por biomasa aumentó persistentemente en todo momento, lo que llevó a un acortamiento de los tiempos de residencia del carbono. Los posibles impulsores del aumento de la mortalidad incluyen una mayor variabilidad climática y retroalimentaciones de un crecimiento más rápido de la mortalidad, lo que resulta en una menor longevidad de los árboles. La disminución observada del sumidero amazónico difiere notablemente del reciente aumento de la absorción de carbono terrestre a escala global, y es contraria a las expectativas basadas en modelos. Les enregistrements atmosphériques de dioxyde de carbone indiquent que la surface terrestre a agi comme un puissant puits de carbone mondial au cours des dernières décennies, une fraction substantielle de ce puits étant probablement située sous les tropiques, en particulier en Amazonie. Néanmoins, on ne sait pas comment le puits de carbone terrestre évoluera à mesure que le climat et la composition atmosphérique continueront de changer. Nous analysons ici l'évolution historique de la dynamique de la biomasse de la forêt amazonienne sur trois décennies à l'aide d'un réseau distribué de 321 parcelles. Bien que cette analyse confirme que les forêts amazoniennes ont agi comme un puits de biomasse net à long terme, nous constatons une tendance à la baisse à long terme de l'accumulation de carbone. Les taux d'augmentation nette de la biomasse aérienne ont diminué d'un tiers au cours de la dernière décennie par rapport aux années 1990. C'est une conséquence de la stabilisation récente de l'augmentation du taux de croissance, tandis que la mortalité liée à la biomasse a constamment augmenté, ce qui a entraîné une réduction des temps de résidence du carbone. Les facteurs potentiels de l'augmentation de la mortalité comprennent une plus grande variabilité du climat et des rétroactions d'une croissance plus rapide sur la mortalité, entraînant une réduction de la longévité des arbres. Le déclin observé du puits amazonien s'écarte nettement de la récente augmentation de l'absorption terrestre de carbone à l'échelle mondiale, et est contraire aux attentes basées sur des modèles. Atmospheric carbon dioxide records indicate that the land surface has acted as a strong global carbon sink over recent decades, with a substantial fraction of this sink probably located in the tropics, particularly in the Amazon. Nevertheless, it is unclear how the terrestrial carbon sink will evolve as climate and atmospheric composition continue to change. Here we analyse the historical evolution of the biomass dynamics of the Amazon rainforest over three decades using a distributed network of 321 plots. While this analysis confirms that Amazon forests have acted as a long-term net biomass sink, we find a long-term decreasing trend of carbon accumulation. Rates of net increase in above-ground biomass declined by one-third during the past decade compared to the 1990s. This is a consequence of growth rate increases levelling off recently, while biomass mortality persistently increased throughout, leading to a shortening of carbon residence times. Potential drivers for the mortality increase include greater climate variability, and feedbacks of faster growth on mortality, resulting in shortened tree longevity. The observed decline of the Amazon sink diverges markedly from the recent increase in terrestrial carbon uptake at the global scale, and is contrary to expectations based on models. تشير سجلات ثاني أكسيد الكربون في الغلاف الجوي إلى أن سطح الأرض كان بمثابة حوض كربون عالمي قوي على مدى العقود الأخيرة، وربما يقع جزء كبير من هذا الحوض في المناطق المدارية، لا سيما في الأمازون. ومع ذلك، من غير الواضح كيف ستتطور بالوعة الكربون الأرضية مع استمرار تغير المناخ وتكوين الغلاف الجوي. نحلل هنا التطور التاريخي لديناميكيات الكتلة الحيوية لغابات الأمازون المطيرة على مدى ثلاثة عقود باستخدام شبكة موزعة من 321 قطعة أرض. في حين يؤكد هذا التحليل أن غابات الأمازون كانت بمثابة بالوعة صافية طويلة الأجل للكتلة الحيوية، فإننا نجد اتجاهًا تنازليًا طويل الأجل لتراكم الكربون. انخفضت معدلات الزيادة الصافية في الكتلة الحيوية فوق الأرض بمقدار الثلث خلال العقد الماضي مقارنة بالتسعينيات. وهذا نتيجة لاستقرار زيادات معدل النمو في الآونة الأخيرة، في حين زادت وفيات الكتلة الحيوية باستمرار طوال الوقت، مما أدى إلى تقصير أوقات بقاء الكربون. وتشمل الدوافع المحتملة لزيادة الوفيات زيادة تقلب المناخ، وردود الفعل على النمو الأسرع للوفيات، مما يؤدي إلى تقصير عمر الأشجار. يختلف الانخفاض الملحوظ في حوض الأمازون بشكل ملحوظ عن الزيادة الأخيرة في امتصاص الكربون الأرضي على النطاق العالمي، ويتعارض مع التوقعات القائمة على النماذج. - Nottingham Research ... - arrow_drop_down Nottingham ePrintsArticle . 2015License: University of Nottingham Institutional Repository End-UserFull-Text: http://eprints.nottingham.ac.uk/45020/8/Main_ms_Brienen_et_al_jan_2015_2014-25-02632C.pdfData sources: CORE (RIOXX-UK Aggregator)INRIA a CCSD electronic archive serverArticle . 2015Data sources: INRIA a CCSD electronic archive serverInstitut National de la Recherche Agronomique: ProdINRAArticle . 2015Data sources: Bielefeld Academic Search Engine (BASE)COREArticle . 2015Full-Text: https://eprints.whiterose.ac.uk/84240/1/Main_ms_Brienen_et_al_jan_2015_2014-25-02632D.pdfData sources: COREhttp://dx.doi.org/10.1038/natu...Article . Peer-reviewedData sources: European Union Open Data PortalJames Cook University, Australia: ResearchOnline@JCUArticle . 2015Data sources: Bielefeld Academic Search Engine (BASE)CIRAD: HAL (Agricultural Research for Development)Article . 2015Data sources: Bielefeld Academic Search Engine (BASE)- add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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- description Publication- keyboard_double_arrow_right Article , Other literature type , Journal 2016 Australia, United Kingdom, Netherlands, United Kingdom, France, Australia, France, United Kingdom, Germany, France, United Kingdom, France, Netherlands, Australia, France, United Kingdom, Brazil, France, United Kingdom, Brazil, Belgium, France, France, United Kingdom- Publisher:Wiley Funded by:UKRI | Amazon Integrated Carbon ..., EC | AMAZALERT, UKRI | Tropical Biomes in Transi... +5 projectsUKRI| Amazon Integrated Carbon Analysis / AMAZONICA ,EC| AMAZALERT ,UKRI| Tropical Biomes in Transition ,ARC| Future Fellowships - Grant ID: FT110100457 ,UKRI| Understanding how drought affects the risk of increased mortality in tropical rain forests ,EC| ROBIN ,EC| GEOCARBON ,UKRI| Niche evolution of South American trees and its consequencesAuthors: José Luís Camargo; René G. A. Boot; Christopher Baraloto; Alejandro Araujo-Murakami; +78 AuthorsJosé Luís Camargo; René G. A. Boot; Christopher Baraloto; Alejandro Araujo-Murakami; Ke Zhang; Thomas E. Lovejoy; Michelle O. Johnson; Armando Torres-Lezama; Fernando Cornejo Valverde; Bradley O. Christoffersen; Bradley O. Christoffersen; Manuel Gloor; Oliver L. Phillips; Atila Alves de Oliveira; Jocely Barroso; Patrick Meir; Patrick Meir; Timothy R. Baker; Abel Monteagudo; Philippe Ciais; Hans ter Steege; John Terborgh; Anthony Di Fiore; Luiz E. O. C. Aragão; Sophie Fauset; Bart Kruijt; Roel J. W. Brienen; Vincent A. Vos; Susan G. Laurance; Hirma Ramírez-Angulo; Nigel C. A. Pitman; Adriana Prieto; Jérôme Chave; Lourens Poorter; Casimiro Mendoza; Niro Higuchi; Timothy J. Killeen; Gerardo Aymard; Juliana Stropp; Agustín Rudas; Ana Andrade; Bia Marimon; Yadvinder Malhi; Geertje M. F. van der Heijden; Álvaro Cogollo; Darley C.L. Matos; David W. Galbraith; Eric Arets; Marcos Silveira; Anand Roopsind; Antonio Carlos Lola da Costa; Paul R. Moorcroft; Emilio Vilanova; Raquel Thomas; Leandro Valle Ferreira; Hans Verbeeck; Juan Carlos Licona; Damien Bonal; Gabriela Lopez Gonzalez; Marisol Toledo; Marielos Peña-Claros; Rafael de Paiva Salomão; Rodolfo Vasquez; Iêda Leão do Amaral; Gilvan Sampaio; Matthieu Guimberteau; Matthieu Guimberteau; Euridice Honorio; Guido Pardo; Anja Rammig; Anja Rammig; Hannes De Deurwaerder; Ted R. Feldpausch; Esteban Álvarez-Dávila; Kirsten Thonicke; William F. Laurance; Ben Hur Marimon Junior; Carlos A. Quesada; Ima Célia Guimarães Vieira; Celso von Randow; David A. Neill; Luzmila Arroyo;- AbstractUnderstanding the processes that determine above‐ground biomass (AGB) in Amazonian forests is important for predicting the sensitivity of these ecosystems to environmental change and for designing and evaluating dynamic global vegetation models (DGVMs). AGB is determined by inputs from woody productivity [woody net primary productivity (NPP)] and the rate at which carbon is lost through tree mortality. Here, we test whether two direct metrics of tree mortality (the absolute rate of woody biomass loss and the rate of stem mortality) and/or woody NPP, control variation in AGB among 167 plots in intact forest across Amazonia. We then compare these relationships and the observed variation in AGB and woody NPP with the predictions of four DGVMs. The observations show that stem mortality rates, rather than absolute rates of woody biomass loss, are the most important predictor of AGB, which is consistent with the importance of stand size structure for determining spatial variation in AGB. The relationship between stem mortality rates and AGB varies among different regions of Amazonia, indicating that variation in wood density and height/diameter relationships also influences AGB. In contrast to previous findings, we find that woody NPP is not correlated with stem mortality rates and is weakly positively correlated with AGB. Across the four models, basin‐wide average AGB is similar to the mean of the observations. However, the models consistently overestimate woody NPP and poorly represent the spatial patterns of both AGB and woody NPP estimated using plot data. In marked contrast to the observations, DGVMs typically show strong positive relationships between woody NPP and AGB. Resolving these differences will require incorporating forest size structure, mechanistic models of stem mortality and variation in functional composition in DGVMs. - CORE - arrow_drop_down Australian National University: ANU Digital CollectionsArticleLicense: CC BYData sources: Bielefeld Academic Search Engine (BASE)Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQArticle . 2016Data sources: Bielefeld Academic Search Engine (BASE)Repositório do INPAArticle . 2016License: CC BY NC NDData sources: Bielefeld Academic Search Engine (BASE)James Cook University, Australia: ResearchOnline@JCUArticle . 2016Full-Text: http://dx.doi.org/10.1111/gcb.13315Data sources: Bielefeld Academic Search Engine (BASE)Publication Database PIK (Potsdam Institute for Climate Impact Research)Article . 2016License: CC BYData sources: Bielefeld Academic Search Engine (BASE)Open Research ExeterArticle . 2016License: CC BYFull-Text: https://www.ncbi.nlm.nih.gov/pubmed/27082541Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2016Data sources: Bielefeld Academic Search Engine (BASE)INRIA a CCSD electronic archive serverArticle . 2016License: CC BYData sources: INRIA a CCSD electronic archive serverWageningen Staff PublicationsArticle . 2016License: CC BYData sources: Wageningen Staff PublicationsInstitut National de la Recherche Agronomique: ProdINRAArticle . 2016Data sources: Bielefeld Academic Search Engine (BASE)Ghent University Academic BibliographyArticle . 2016Data sources: Ghent University Academic Bibliography- add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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 You have already added works in your ORCID record related to the merged Research product.All Research products- arrow_drop_down - <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1111/gcb.13315&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu- more_vert - CORE - arrow_drop_down Australian National University: ANU Digital CollectionsArticleLicense: CC BYData sources: Bielefeld Academic Search Engine (BASE)Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQArticle . 2016Data sources: Bielefeld Academic Search Engine (BASE)Repositório do INPAArticle . 2016License: CC BY NC NDData sources: Bielefeld Academic Search Engine (BASE)James Cook University, Australia: ResearchOnline@JCUArticle . 2016Full-Text: http://dx.doi.org/10.1111/gcb.13315Data sources: Bielefeld Academic Search Engine (BASE)Publication Database PIK (Potsdam Institute for Climate Impact Research)Article . 2016License: CC BYData sources: Bielefeld Academic Search Engine (BASE)Open Research ExeterArticle . 2016License: CC BYFull-Text: https://www.ncbi.nlm.nih.gov/pubmed/27082541Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2016Data sources: Bielefeld Academic Search Engine (BASE)INRIA a CCSD electronic archive serverArticle . 2016License: CC BYData sources: INRIA a CCSD electronic archive serverWageningen Staff PublicationsArticle . 2016License: CC BYData sources: Wageningen Staff PublicationsInstitut National de la Recherche Agronomique: ProdINRAArticle . 2016Data sources: Bielefeld Academic Search Engine (BASE)Ghent University Academic BibliographyArticle . 2016Data sources: Ghent University Academic Bibliography- add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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- description Publication- keyboard_double_arrow_right Article , Other literature type 2023 Argentina, Argentina, United Kingdom- Publisher:Informa UK Limited Funded by:UKRI | Can tropical Montane fore...UKRI| Can tropical Montane forest Acclimate to high temperature? Montane-AcclimLászló Nagy; Cleiton B. Eller; Lina M. Mercado; Francisco Cuesta; Luis Daniel Llambí; Erika Buscardo; Luiz E. O. C. Aragão; Carlos García‐Núñez; Rafael S. Oliveira; Milton Barbosa; Sergio Javier Ceballos; Marco Calderón-Loor; Geraldo Wilson Fernandes; Ezequiel Aráoz; Ariadna M. Q. Muñoz; Ricardo Rozzi; Francisco Aguirre; Esteban Álvarez-Dávila; Norma Salinas; Stephen Sitch;- Contexte : La surveillance basée sur des placettes a fourni de nombreuses informations sur la diversité taxonomique et le stockage du carbone (C) dans les forêts tropicales de plaine du bassin amazonien. Cela a permis de mieux comprendre la relation entre la dynamique de la biomasse forestière des plaines et les facteurs du changement mondial, tels que le changement climatique et la concentration atmosphérique de CO 2. Beaucoup moins d'attention a été accordée aux écosystèmes montagneux d'Amérique du Sud qui comprennent les forêts montagnardes et la végétation alpine (páramo, puna, prairies des hautes Andes, zones humides et bruyère alpine).Ce complexe de végétation fournit une variété de services écosystémiques et forme un laboratoire naturel le long de divers gradients d'histoire/biogéographie physiographique, géologique et évolutive, et d'histoire de l'utilisation des terres.Images : Ici, nous passons en revue la compréhension empirique existante et les approches basées sur des modèles pour quantifier la contribution des écosystèmes de montagne à la fourniture de services écosystémiques dans le contexte socio-écologique en évolution rapide des montagnes sud-américaines.L' objectif de cet article est de définir une feuille de route générale pour la mise en œuvre de la végétation de montagne dans des modèles dynamiques de végétation mondiale (DGVM) à utiliser dans les modèles du système terrestre (ESM), sur la base de notre compréhension actuelle de leur structure et de leur fonction et de leur réactivité aux facteurs du changement global.Nous identifions également les processus de la limite des arbres, critiques dans les écosystèmes de montagne, comme des éléments manquants clés dans les DGVM/mes, et explorons ainsi en outre un modèle de limite des arbres.Méthodes : Un bilan de la disponibilité des données empiriques a été entrepris à partir de huit sites de recherche le long des Andes et dans le sud-est du Brésil.Parmi huit sites, deux (un au Venezuela et un au Brésil) avaient potentiellement des données climatiques, écologiques et écophysiologiques convenant au paramétrage d'une DGVM.Les données sur la biomasse des arbres étaient disponibles pour six sites.Une évaluation préliminaire de la DGVM du Joint UK Land Environment Simulator (JULES) a été réalisée pour identifier les lacunes dans les données disponibles et leurs impacts sur le paramétrage et l'étalonnage du modèle.En outre, l'élévation potentielle de la limite des arbres déterminée par le climat a été modélisée pour vérifier la DGVM quant à sa capacité à identifier la transition entre la forêt montagnarde et la végétation alpine.Résultats : Les résultats de l'évaluation du modèle de surface terrestre JULES ont identifié les processus clés suivants dans les forêts montagnardes : diminution liée à la température de la production primaire nette, respiration et allocation à la biomasse aérienne et augmentation des stocks de C dans le sol avec l'altitude.Il y avait un accord variable entre la biomasse simulée et celles dérivées des mesures sur le terrain via des équations allométriques.Conclusions : Nous avons identifié des écarts majeurs entre la disponibilité des données et les besoins de modélisation basée sur les processus de la végétation de montagne sud-américaine et de sa dynamique dans les DGVM.Pour combler cet écart, nous proposons un réseau transdisciplinaire, composé de membres des communautés théoriques/de modélisation et scientifiques empiriques, pour étudier la dynamique naturelle des écosystèmes de montagne et leurs réponses aux facteurs de changement mondiaux au niveau local, régional et continental, dans un cadre de système socio-écologique.Les travaux présentés ici constituent la base de la conception de la collecte de données à partir des mesures sur le terrain et des stations de surveillance instrumentales pour paramétrer et vérifier les DGVM.Le réseau est conçu pour collaborer et compléter les recherches à long terme existantes Antecedentes: El monitoreo basado en parcelas ha arrojado mucha información sobre la diversidad taxonómica y el almacenamiento de carbono (C) en los bosques tropicales de tierras bajas de la cuenca amazónica. Esto ha resultado en una mejor comprensión de la relación entre la dinámica de la biomasa forestal de las tierras bajas y los impulsores del cambio global, como el cambio climático y la concentración atmosférica de CO 2. Se ha prestado mucha menos atención a los ecosistemas de montaña de América del Sur que comprenden bosques montanos y vegetación alpina (páramo, puna, pastizales altoandinos, humedales y brezales alpinos).Este complejo de vegetación proporciona una variedad de servicios ecosistémicos y forma un laboratorio natural a lo largo de varios gradientes fisiográficos, geológicos y evolutivos de historia/biogeografía e historia del uso de la tierra. Objetivos: Aquí, revisamos la comprensión empírica existente y los enfoques basados en modelos para cuantificar la contribución de los ecosistemas de montaña a la prestación de servicios ecosistémicos en el entorno socioecológico rápidamente cambiante de las montañas sudamericanas. El objetivo de este documento es esbozar una amplia hoja de ruta para la implementación de la vegetación de montaña en modelos dinámicos de vegetación global (DGVM) para su uso en Modelos del Sistema Terrestre (ESM), basados en nuestra comprensión actual de su estructura y función y de su capacidad de respuesta a los impulsores del cambio global. También identificamos los procesos arbóreos, críticos en los ecosistemas de montaña, como elementos clave que faltan en las DGVM/ESM, y por lo tanto exploramos además un modelo arbóreo. Métodos: Se realizó un inventario de la disponibilidad de datos empíricos de ocho sitios de investigación a lo largo de los Andes y en el sureste de Brasil. De los ocho sitios, dos (uno en Venezuela y otro en Brasil) tenían algunos datos climáticos, ecológicos y ecofisiológicos potencialmente adecuado para parametrizar una DGVM. Se disponía de datos de biomasa de árboles para seis sitios. Se realizó una evaluación preliminar de la DGVM del Simulador Conjunto de Medio Ambiente Terrestre del Reino Unido (JULES) para identificar lagunas en los datos disponibles y sus impactos en la parametrización y calibración del modelo. Además, se modeló la posible elevación determinada por el clima de la línea de árboles para verificar la DGVM en cuanto a su capacidad para identificar la transición entre el bosque montano y la vegetación alpina. Resultados: Los resultados de la evaluación del modelo de superficie terrestre de JULES identificaron los siguientes procesos clave en los bosques montanos: disminución relacionada con la temperatura en la producción primaria neta, la respiración y la asignación a la biomasa sobre el suelo y aumento de las poblaciones de suelo C con elevación. Hubo un acuerdo variable entre la biomasa simulada y las derivadas de las mediciones de campo a través de ecuaciones alométricas. Conclusiones: Identificamos grandes brechas entre la disponibilidad de datos y las necesidades de modelado basado en procesos de la vegetación de montaña sudamericana y su dinámica en las DGVM. Para cerrar esta brecha, proponemos una red transdisciplinaria, compuesta por miembros de las comunidades científicas teóricas/de modelado y empíricas, para estudiar la dinámica natural de los ecosistemas de montaña y sus respuestas a los impulsores del cambio global a nivel local, regional y continental, dentro de un marco de sistema socioecológico. El trabajo presentado aquí forma la base para el diseño de la recopilación de datos a partir de mediciones de campo y estaciones de monitoreo instrumental para parametrizar y verificar las DGVM. La red está diseñada para colaborar y complementar la investigación existente a largo plazo. Background: Plot-based monitoring has yielded much information on the taxonomic diversity and carbon (C) storage in tropical lowland forests of the Amazon basin.This has resulted in an improved understanding of the relationship between lowland forest biomass dynamics and global change drivers, such as climate change and atmospheric CO 2 concentration.Much less attention has been paid to the mountain ecosystems of South America that comprise montane forests and alpine vegetation (páramo, puna, high Andean grasslands, wetlands, and alpine heath).This vegetation complex provides a variety of ecosystem services and forms a natural laboratory along various physiographic, geological and evolutionary history/biogeography, and land use history gradients.Aims: Here, we review existing empirical understanding and model-based approaches to quantify the contribution of mountain ecosystems to ecosystem service provision in the rapidly changing socioecological setting of the South American mountains.The objective of this paper is to outline a broad road map for the implementation of mountain vegetation into dynamic global vegetation models (DGVM) for use in Earth System Models (ESM), based on our current understanding of their structure and function and of their responsiveness to global change drivers.We also identify treeline processes, critical in mountain ecosystems, as key missing elements in DGVMs/ESMs, and thus explore in addition a treeline model.Methods: Stocktaking of the availability of empirical data was undertaken from eight research sites along the Andes and in south-eastern Brazil.Out of eight sites, two (one each in Venezuela and Brazil) had some climate, ecological and ecophysiological data potentially suitable to parametrise a DGVM.Tree biomass data were available for six sites.A preliminary assessment of the Joint UK Land Environment Simulator (JULES) DGVM was made to identify gaps in available data and their impacts on model parametrisation and calibration.Additionally, the potential climate-determined elevation of the treeline was modelled to check the DGVM for its ability to identify the transition between the montane forest and alpine vegetation.Results: Outcomes of the evaluation of the JULES land surface model identified the following key processes in montane forests: temperature-related decrease in net primary production, respiration, and allocation to above-ground biomass and increase in soil C stocks with elevation.There was a variable agreement between simulated biomass and those derived from field measurements via allometric equations.Conclusions: We identified major gaps between data availability and the needs for process-based modelling of South American mountain vegetation and its dynamics in DGVMs.To bridge this gap, we propose a transdisciplinary network, composed of members of the theoretical/modelling and empirical scientific communities, to study the natural dynamics of mountain ecosystems and their responses to global change drivers locally, regionally and at the continental scale, within a social-ecological system framework.The work presented here forms the basis for the design of data collection from field measurements and instrumental monitoring stations to parametrise and verify DGVMs.The network is designed to collaborate with and complement existing long-term research معلومات أساسية: أسفر الرصد القائم على قطعة الأرض عن الكثير من المعلومات حول التنوع التصنيفي وتخزين الكربون (C) في غابات الأراضي المنخفضة الاستوائية في حوض الأمازون. وقد أدى ذلك إلى فهم أفضل للعلاقة بين ديناميات الكتلة الحيوية للغابات المنخفضة ومحركات التغير العالمي، مثل تغير المناخ وتركيز ثاني أكسيد الكربون في الغلاف الجوي. وقد تم إيلاء اهتمام أقل بكثير للنظم الإيكولوجية الجبلية في أمريكا الجنوبية التي تشمل الغابات الجبلية والغطاء النباتي في جبال الألب (بارامو، بونا، الأراضي العشبية في أعالي الأنديز، الأراضي الرطبة، وصحة جبال الألب). يوفر مجمع الغطاء النباتي هذا مجموعة متنوعة من خدمات النظام الإيكولوجي ويشكل مختبرًا طبيعيًا على طول مختلف التاريخ الفيزيائي والجيولوجي والتطوري/الجغرافيا الحيوية، وتدرجات تاريخ استخدام الأراضي. الأهداف: نستعرض هنا الفهم التجريبي الحالي والنهج القائمة على النماذج لقياس مساهمة النظم الإيكولوجية الجبلية في توفير خدمات النظام الإيكولوجي في البيئة الاجتماعية والبيئية المتغيرة بسرعة لجبال أمريكا الجنوبية. الهدف من هذه الورقة هو تحديد خريطة طريق واسعة لتنفيذ الغطاء النباتي الجبلي في نماذج نباتية عالمية ديناميكية (DGVM) لاستخدامها في نماذج نظام الأرض (ESM)، بناءً على فهمنا الحالي من هيكلها ووظيفتها واستجابتها لمحركات التغير العالمي. كما نحدد عمليات خطوط الأشجار، الحرجة في النظم الإيكولوجية الجبلية، كعناصر رئيسية مفقودة في DGVMs/ESMs، وبالتالي نستكشف بالإضافة إلى ذلك نموذج خط الأشجار. الأساليب: تم إجراء جرد لتوافر البيانات التجريبية من ثمانية مواقع بحثية على طول جبال الأنديز وفي جنوب شرق البرازيل. من بين ثمانية مواقع، كان لدى موقعين (واحد في كل من فنزويلا والبرازيل) بعض البيانات المناخية والبيئية والفسيولوجية البيئية المحتملة مناسبة لتحديد معالم DGVM. كانت بيانات الكتلة الحيوية الثلاثية متاحة لستة مواقع. تم إجراء تقييم أولي لمحاكي بيئة الأراضي المشترك في المملكة المتحدة (JULES) DGVM لتحديد الثغرات في البيانات المتاحة وتأثيراتها على تحديد معالم النموذج ومعايرته. بالإضافة إلى ذلك، تم نمذجة الارتفاع المحتمل المحدد بالمناخ لخط الأشجار للتحقق من DGVM لقدرته على تحديد الانتقال بين الغابة الجبلية والغطاء النباتي في جبال الألب. النتائج: حددت نتائج تقييم نموذج سطح الأرض JULES العمليات الرئيسية التالية في الغابات الجبلية: الانخفاض المرتبط بدرجة الحرارة في صافي الإنتاج الأولي، والتنفس، والتخصيص للكتلة الحيوية فوق الأرض و زيادة مخزونات التربة C مع الارتفاع. كان هناك اتفاق متغير بين الكتلة الحيوية المحاكية وتلك المستمدة من القياسات الميدانية عبر المعادلات المتجانسة. الاستنتاجات: حددنا الفجوات الرئيسية بين توافر البيانات والاحتياجات إلى النمذجة القائمة على العمليات للغطاء النباتي الجبلي في أمريكا الجنوبية وديناميكياته في DGVM. لسد هذه الفجوة، نقترح شبكة متعددة التخصصات، تتألف من أعضاء المجتمعات العلمية النظرية/النمذجة والتجريبية، لدراسة الديناميكيات الطبيعية للنظم الإيكولوجية الجبلية واستجاباتها لمحركات التغيير العالمي محليًا وإقليميًا وعلى المستوى القاري، ضمن إطار النظام الاجتماعي الإيكولوجي. يشكل العمل المقدم هنا الأساس لتصميم جمع البيانات من القياسات الميدانية ومحطات المراقبة الآلية إلى بارامتير والتحقق من DGVM. تم تصميم الشبكة للتعاون مع البحوث القائمة طويلة الأجل واستكمالها - NERC Open Research A... - arrow_drop_down Natural Environment Research Council: NERC Open Research ArchiveArticle . 2023License: CC BYData sources: Bielefeld Academic Search Engine (BASE)- add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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- description Publication- keyboard_double_arrow_right Article , Journal 2016 France, United Kingdom, Germany, Brazil, Brazil, France, Australia, Australia, France- Publisher:American Geophysical Union (AGU) Funded by:EC | T-FORCES, UKRI | Amazon Integrated Carbon ..., ANR | TULIP +3 projectsEC| T-FORCES ,UKRI| Amazon Integrated Carbon Analysis / AMAZONICA ,ANR| TULIP ,UKRI| Tropical Biomes in Transition ,EC| AMAZALERT ,UKRI| Assessing the impacts of the 2010 drought on Amazon zone of transitionAuthors: G. M. F. van der Heijden; Raquel Thomas-Caesar; Hirma Ramírez-Angulo; Adriana Prieto; +55 AuthorsG. M. F. van der Heijden; Raquel Thomas-Caesar; Hirma Ramírez-Angulo; Adriana Prieto; Rafael de Paiva Salomão; C. Mendoza Bautista; Gustavo Saiz; Juliana Stropp; Wendeson Castro; John Terborgh; Ben Hur Marimon-Junior; Ana Andrade; Fredy Ramírez; Jérôme Chave; Susan G. Laurance; E. Alvarez Dávila; Oliver L. Phillips; Jon Lloyd; Jon Lloyd; Jorcely Barroso; E.N. Honorio Coronado; N. C. Pallqui Camacho; Ted R. Feldpausch; R. Vásquez Martínez; G. Lopez-Gonzalez; William F. Laurance; Emanuel Gloor; Tomas F. Domingues; Carlos A. Quesada; Luzmila Arroyo; Simon L. Lewis; Simon L. Lewis; Roel J. W. Brienen; Yadvinder Malhi; Christopher Baraloto; Christopher Baraloto; Nikée Groot; H. ter Steege; C. Oliveira dos Santos; Edmar Almeida de Oliveira; Alfredo Alarcón; David A. Neill; Beatriz Schwantes Marimon; Juan Carlos Licona; Damien Bonal; Javier E. Silva-Espejo; Marcos Silveira; V. Chama; Timothy R. Baker; G. Pardo-Molina; Agustín Rudas; Maxime Réjou-Méchain; Patricia Alvarez-Loayza; Luiz E. O. C. Aragão; Luiz E. O. C. Aragão; Sophie Fauset; Emilio Vilanova; Abel Monteagudo-Mendoza; Vincent A. Vos;- doi: 10.1002/2015gb005133 - handle: 10044/1/46047 , 10871/23248 - AbstractThe Amazon Basin has experienced more variable climate over the last decade, with a severe and widespread drought in 2005 causing large basin‐wide losses of biomass. A drought of similar climatological magnitude occurred again in 2010; however, there has been no basin‐wide ground‐based evaluation of effects on vegetation. We examine to what extent the 2010 drought affected forest dynamics using ground‐based observations of mortality and growth from an extensive forest plot network. We find that during the 2010 drought interval, forests did not gain biomass (net change: −0.43 Mg ha−1, confidence interval (CI): −1.11, 0.19, n = 97), regardless of whether forests experienced precipitation deficit anomalies. This contrasted with a long‐term biomass sink during the baseline pre‐2010 drought period (1998 to pre‐2010) of 1.33 Mg ha−1 yr−1 (CI: 0.90, 1.74, p < 0.01). The resulting net impact of the 2010 drought (i.e., reversal of the baseline net sink) was −1.95 Mg ha−1 yr−1 (CI:−2.77, −1.18; p < 0.001). This net biomass impact was driven by an increase in biomass mortality (1.45 Mg ha−1 yr−1 CI: 0.66, 2.25, p < 0.001) and a decline in biomass productivity (−0.50 Mg ha−1 yr−1, CI:−0.78, −0.31; p < 0.001). Surprisingly, the magnitude of the losses through tree mortality was unrelated to estimated local precipitation anomalies and was independent of estimated local pre‐2010 drought history. Thus, there was no evidence that pre‐2010 droughts compounded the effects of the 2010 drought. We detected a systematic basin‐wide impact of the 2010 drought on tree growth rates across Amazonia, which was related to the strength of the moisture deficit. This impact differed from the drought event in 2005 which did not affect productivity. Based on these ground data, live biomass in trees and corresponding estimates of live biomass in lianas and roots, we estimate that intact forests in Amazonia were carbon neutral in 2010 (−0.07 Pg C yr−1 CI:−0.42, 0.23), consistent with results from an independent analysis of airborne estimates of land‐atmospheric fluxes during 2010. Relative to the long‐term mean, the 2010 drought resulted in a reduction in biomass carbon uptake of 1.1 Pg C, compared to 1.6 Pg C for the 2005 event. - Hyper Article en Lig... - arrow_drop_down KITopen (Karlsruhe Institute of Technologie)Article . 2016Data sources: Bielefeld Academic Search Engine (BASE)Spiral - Imperial College Digital RepositoryArticle . 2016Data sources: Spiral - Imperial College Digital RepositoryINRIA a CCSD electronic archive serverArticle . 2016Data sources: INRIA a CCSD electronic archive serverInstitut National de la Recherche Agronomique: ProdINRAArticle . 2016License: CC-BY-ND-NCData sources: Bielefeld Academic Search Engine (BASE)Global Biogeochemical CyclesArticle . 2016 . Peer-reviewedLicense: Wiley Online Library User AgreementData sources: Crossrefhttp://dx.doi.org/10.1002/2015...Article . Peer-reviewedData sources: European Union Open Data PortalJames Cook University, Australia: ResearchOnline@JCUArticle . 2016Data sources: Bielefeld Academic Search Engine (BASE)- add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.All Research products- arrow_drop_down - <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1002/2015gb005133&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu- more_vert - Hyper Article en Lig... - arrow_drop_down KITopen (Karlsruhe Institute of Technologie)Article . 2016Data sources: Bielefeld Academic Search Engine (BASE)Spiral - Imperial College Digital RepositoryArticle . 2016Data sources: Spiral - Imperial College Digital RepositoryINRIA a CCSD electronic archive serverArticle . 2016Data sources: INRIA a CCSD electronic archive serverInstitut National de la Recherche Agronomique: ProdINRAArticle . 2016License: CC-BY-ND-NCData sources: Bielefeld Academic Search Engine (BASE)Global Biogeochemical CyclesArticle . 2016 . Peer-reviewedLicense: Wiley Online Library User AgreementData sources: Crossrefhttp://dx.doi.org/10.1002/2015...Article . Peer-reviewedData sources: European Union Open Data PortalJames Cook University, Australia: ResearchOnline@JCUArticle . 2016Data sources: Bielefeld Academic Search Engine (BASE)- add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.All Research products- arrow_drop_down - <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1002/2015gb005133&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu
- description Publication- keyboard_double_arrow_right Article , Other literature type 2022 United Kingdom, Russian Federation, France, United Kingdom, United Kingdom, United Kingdom, United Kingdom, Italy, United Kingdom, United Kingdom, Italy, Germany, France, Netherlands, France, Italy, United Kingdom, United Kingdom, Netherlands- Publisher:IOP Publishing Funded by:EC | T-FORCES, EC | VERIFY, EC | PANTROP +3 projectsEC| T-FORCES ,EC| VERIFY ,EC| PANTROP ,UKRI| A Socio-Ecological Observatory for the Southern African Woodlands ,UKRI| Tropical Biomes in Transition ,UKRI| SECO: Resolving the current and future carbon dynamics of the dry tropicsAuthors: Danaë M. A. Rozendaal; Daniela Requena Suárez; Véronique De Sy; Valerio Avitabile; +53 AuthorsDanaë M. A. Rozendaal; Daniela Requena Suárez; Véronique De Sy; Valerio Avitabile; Sarah Carter; Constant Yves Adou Yao; Esteban Álvarez-Dávila; Kristina J. Anderson‐Teixeira; Alejandro Araujo‐Murakami; Luzmila Arroyo; Benjamin Barca; Timothy R. Baker; Luca Birigazzi; Frans Bongers; Anne Branthomme; Roel Brienen; João M. B. Carreiras; Roberto Cazzolla Gatti; Susan C. Cook‐Patton; Mathieu Decuyper; Ben DeVries; Andrés Espejo; Ted R. Feldpausch; J Fox; Javier G. P. Gamarra; Bronson W. Griscom; Nancy L. Harris; Bruno Hérault; Eurídice N. Honorio Coronado; Inge Jonckheere; Eric Konan; Sara M. Leavitt; Simon L. Lewis; Jeremy Lindsell; Justin Kassi N'dja; Anny Estelle N'Guessan; Beatriz Schwantes Marimon; Edward T. A. Mitchard; A. Monteagudo; Alexandra Morel; Anssi Pekkarinen; Oliver L. Phillips; Lourens Poorter; Lan Qie; Ervan Rutishauser; Casey M. Ryan; Maurizio Santoro; Dos Santos Silayo; Plínio Sist; J. W. Ferry Slik; Bonaventure Sonké; Martin J. P. Sullivan; Gaia Vaglio Laurin; Emilio Vilanova; Maria M. H. Wang; Eliakimu Zahabu; Martin Herold;- Abstract For monitoring and reporting forest carbon stocks and fluxes, many countries in the tropics and subtropics rely on default values of forest aboveground biomass (AGB) from the Intergovernmental Panel on Climate Change (IPCC) guidelines for National Greenhouse Gas (GHG) Inventories. Default IPCC forest AGB values originated from 2006, and are relatively crude estimates of average values per continent and ecological zone. The 2006 default values were based on limited plot data available at the time, methods for their derivation were not fully clear, and no distinction between successional stages was made. As part of the 2019 Refinement to the 2006 IPCC Guidelines for GHG Inventories, we updated the default AGB values for tropical and subtropical forests based on AGB data from >25 000 plots in natural forests and a global AGB map where no plot data were available. We calculated refined AGB default values per continent, ecological zone, and successional stage, and provided a measure of uncertainty. AGB in tropical and subtropical forests varies by an order of magnitude across continents, ecological zones, and successional stage. Our refined default values generally reflect the climatic gradients in the tropics, with more AGB in wetter areas. AGB is generally higher in old-growth than in secondary forests, and higher in older secondary (regrowth >20 years old and degraded/logged forests) than in young secondary forests (⩽20 years old). While refined default values for tropical old-growth forest are largely similar to the previous 2006 default values, the new default values are 4.0–7.7-fold lower for young secondary forests. Thus, the refined values will strongly alter estimated carbon stocks and fluxes, and emphasize the critical importance of old-growth forest conservation. We provide a reproducible approach to facilitate future refinements and encourage targeted efforts to establish permanent plots in areas with data gaps. - CORE - arrow_drop_down COREArticle . 2022License: CC BYFull-Text: https://eprints.whiterose.ac.uk/182599/1/Rozendaal_2022_Environ._Res._Lett._17_014047.pdfData sources: CORECORE (RIOXX-UK Aggregator)Article . 2022License: CC BYFull-Text: https://eprints.whiterose.ac.uk/182599/1/Rozendaal_2022_Environ._Res._Lett._17_014047.pdfData sources: CORE (RIOXX-UK Aggregator)University of St Andrews: Digital Research RepositoryArticle . 2022License: CC BYFull-Text: https://hdl.handle.net/10023/24951Data sources: Bielefeld Academic Search Engine (BASE)GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)Article . 2022License: CC BYData sources: Bielefeld Academic Search Engine (BASE)Open Research ExeterArticle . 2022License: CC BYFull-Text: http://hdl.handle.net/10871/128940Data sources: Bielefeld Academic Search Engine (BASE)CGIAR CGSpace (Consultative Group on International Agricultural Research)Article . 2022License: CC BYFull-Text: https://hdl.handle.net/10568/117672Data sources: Bielefeld Academic Search Engine (BASE)Digital library (repository) of Tomsk State UniversityArticle . 2022Data sources: Digital library (repository) of Tomsk State Universitye-space at Manchester Metropolitan UniversityArticle . 2022Data sources: e-space at Manchester Metropolitan UniversityGFZ German Research Centre for GeosciencesArticle . 2022License: CC BYData sources: GFZ German Research Centre for GeosciencesWageningen Staff PublicationsArticle . 2022License: CC BYData sources: Wageningen Staff PublicationsSt Andrews Research RepositoryArticle . 2022 . Peer-reviewedData sources: St Andrews Research RepositoryEnvironmental Research LettersArticle . 2022 . Peer-reviewedData sources: European Union Open Data PortalUniversità degli studi della Tuscia: Unitus DSpaceArticle . 2022Data sources: Bielefeld Academic Search Engine (BASE)- add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.All Research products- arrow_drop_down - <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1088/1748-9326/ac45b3&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu- more_vert - CORE - arrow_drop_down COREArticle . 2022License: CC BYFull-Text: https://eprints.whiterose.ac.uk/182599/1/Rozendaal_2022_Environ._Res._Lett._17_014047.pdfData sources: CORECORE (RIOXX-UK Aggregator)Article . 2022License: CC BYFull-Text: https://eprints.whiterose.ac.uk/182599/1/Rozendaal_2022_Environ._Res._Lett._17_014047.pdfData sources: CORE (RIOXX-UK Aggregator)University of St Andrews: Digital Research RepositoryArticle . 2022License: CC BYFull-Text: https://hdl.handle.net/10023/24951Data sources: Bielefeld Academic Search Engine (BASE)GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)Article . 2022License: CC BYData sources: Bielefeld Academic Search Engine (BASE)Open Research ExeterArticle . 2022License: CC BYFull-Text: http://hdl.handle.net/10871/128940Data sources: Bielefeld Academic Search Engine (BASE)CGIAR CGSpace (Consultative Group on International Agricultural Research)Article . 2022License: CC BYFull-Text: https://hdl.handle.net/10568/117672Data sources: Bielefeld Academic Search Engine (BASE)Digital library (repository) of Tomsk State UniversityArticle . 2022Data sources: Digital library (repository) of Tomsk State Universitye-space at Manchester Metropolitan UniversityArticle . 2022Data sources: e-space at Manchester Metropolitan UniversityGFZ German Research Centre for GeosciencesArticle . 2022License: CC BYData sources: GFZ German Research Centre for GeosciencesWageningen Staff PublicationsArticle . 2022License: CC BYData sources: Wageningen Staff PublicationsSt Andrews Research RepositoryArticle . 2022 . Peer-reviewedData sources: St Andrews Research RepositoryEnvironmental Research LettersArticle . 2022 . Peer-reviewedData sources: European Union Open Data PortalUniversità degli studi della Tuscia: Unitus DSpaceArticle . 2022Data sources: Bielefeld Academic Search Engine (BASE)- add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
 You have already added works in your ORCID record related to the merged Research product.All Research products- arrow_drop_down - <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1088/1748-9326/ac45b3&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu
