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Compositional response of Amazon forests to climate change

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type , Journal 08 Nov 2018 France, United Kingdom, Italy, United Kingdom, United Kingdom, United Kingdom, United Kingdom, United Kingdom, Brazil, France, France, Netherlands, United Kingdom, Australia, Netherlands, France, Belgium, Netherlands, France, Brazil, United Kingdom, United Kingdom, Netherlands Publisher:WileyJournal:Global Change Biology, volume 25, pages 39-56 (issn: 1354-1013, eissn: 1365-2486,

Copyright policy )Funded by:UKRI | BIOmes of Brasil - Resili..., UKRI | Tropical Biomes in Transi..., EC | AMAZALERT +2 projects

Authors: Paulo S. Morandi; Juliana Stropp; Hirma Ramírez-Angulo; José Luís Camargo; Nigel C. A. Pitman; Adriana Prieto; Edmar Almeida de Oliveira; +105 Authors

Compositional response of Amazon forests to climate change

- Summary
- Subjects

Abstract

AbstractMost of the planet's diversity is concentrated in the tropics, which includes many regions undergoing rapid climate change. Yet, while climate‐induced biodiversity changes are widely documented elsewhere, few studies have addressed this issue for lowland tropical ecosystems. Here we investigate whether the floristic and functional composition of intact lowland Amazonian forests have been changing by evaluating records from 106 long‐term inventory plots spanning 30 years. We analyse three traits that have been hypothesized to respond to different environmental drivers (increase in moisture stress and atmospheric CO2 concentrations): maximum tree size, biogeographic water‐deficit affiliation and wood density. Tree communities have become increasingly dominated by large‐statured taxa, but to date there has been no detectable change in mean wood density or water deficit affiliation at the community level, despite most forest plots having experienced an intensification of the dry season. However, among newly recruited trees, dry‐affiliated genera have become more abundant, while the mortality of wet‐affiliated genera has increased in those plots where the dry season has intensified most. Thus, a slow shift to a more dry‐affiliated Amazonia is underway, with changes in compositional dynamics (recruits and mortality) consistent with climate‐change drivers, but yet to significantly impact whole‐community composition. The Amazon observational record suggests that the increase in atmospheric CO2 is driving a shift within tree communities to large‐statured species and that climate changes to date will impact forest composition, but long generation times of tropical trees mean that biodiversity change is lagging behind climate change.

Countries

France, United Kingdom, Italy, United Kingdom, United Kingdom, United Kingdom, United Kingdom, United Kingdom, Brazil, France, France, Netherlands, United Kingdom, Australia, Netherlands, France, Belgium, Netherlands, France, Brazil, United Kingdom, United Kingdom, Netherlands

Related Organizations

University of St Andrews
United Kingdom
Lancaster University
United Kingdom
University College London
United Kingdom
National Institute of Amazonian Research
Brazil
Duke University
United States

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Keywords

Tropical forests, TROPICAL FORESTS, adaptation aux changements climatiques, forêt tropicale, Forests, [SDV.BID.SPT]Life Sciences [q-bio]/Biodiversity/Systematics, Phylogenetics and taxonomy, temporal trends, traits, CARBON STORAGE, K01 - Foresterie - Considérations générales, [SDV.EE.ECO] Life Sciences [q-bio]/Ecology, environment/Ecosystems, SDG 13 - Climate Action, Climate change, functional traits, General Environmental Science, Global and Planetary Change, GE, Phylogenetics and taxonomy, climate change, NEOTROPICAL FOREST, GROWTH, Functional traits, GE Environmental Sciences, Communauté végétale, 570, VEGETATION DYNAMICS, P40 - Météorologie et climatologie, bioclimatic niches, DROUGHT SENSITIVITY, 333, Tropical Forest, Temporal Variation, Bois tropical, Ecosystem, 580, Changement climatique, Science & Technology, Bioclimatic niches, Composition botanique, Brasil, Water, 06 Biological Sciences, Floristics, biodiversité forestière, functional, Legacy, Season, [SDV.BID.SPT]Life Sciences [q-bio]/Biodiversity/Systematics, Physiology, WOOD DENSITY, Biodiversity & Conservation, 05 Environmental Sciences, DIVERSITY, Tropic Climate, Trees, Environmental Science(all), Lowland Environment, tropical forests, Ecology, PERVASIVE ALTERATION, Biodiversity, [SDV.BV.BOT]Life Sciences [q-bio]/Vegetal Biology/Botanics, Classification, F40 - Ecologie végétale, Biodiversity Conservation, TREE COMMUNITIES, Seasons, environment/Ecosystems, Life Sciences & Biomedicine, compositional shifts, Tree, Brazil, Climate Change, Temporal trends, Environmental Sciences & Ecology, [SDV.BV.BOT] Life Sciences [q-bio]/Vegetal Biology/Botanics, bioclimatic niches; climate change; compositional shifts; functional traits; temporal trends; tropical forests, [SDV.EE.ECO]Life Sciences [q-bio]/Ecology, environment/Ecosystems, Amazonia, Niche, [SDV.BID.SPT] Life Sciences [q-bio]/Biodiversity/Systematics, Phylogenetics and taxonomy, Environmental Chemistry, F70 - Taxonomie végétale et phyto-géographie, Forest, Compositional shifts, Tropical Climate, Research, Bioclimatology, DAS, Carbon Dioxide, Primary Research Articles, Climatic change, [SDE.BE] Environmental Sciences/Biodiversity and Ecology, Earth and Environmental Sciences, [SDV.EE.ECO]Life Sciences [q-bio]/Ecology, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, Dioxyde de carbone, Environmental Sciences, agrovoc: agrovoc:c_1302, agrovoc: agrovoc:c_1666, agrovoc: agrovoc:c_15945, agrovoc: agrovoc:c_0a269dfe, agrovoc: agrovoc:c_32372, agrovoc: agrovoc:c_1374567058134, agrovoc: agrovoc:c_24904, agrovoc: agrovoc:c_32514, agrovoc: agrovoc:c_293007aa