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  • Energy Research
  • 12. Responsible consumption
  • 11. Sustainability
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Koutou, Mahamoudou; Sangaré, Mamadou; Havard, Michel; Toillier, Aurélie; +3 Authors

    Income source and accompaniment needs of family farms in the cotton growing area of West Burkina Faso Description of the subject. In the western cotton growing area of Burkina Faso, the variability and the diversity of the income levels of family farms (EAFs) mean that these farms require suitable agronomic accompaniment. Objectives. This article gives an account of this diversity and the need for accompaniment according to the type of identified EAF.Method. The data were collected by the active method of participative research and by investigation of the practices of 120 farms in the commune of Koumbia. Principal component analyses with economic indicators of the EAF were applied, followed by an ascending hierarchical clustering. The structural characteristics, the agro-pastoral practices of production, and the perceptions of the EAF regarding the constraints and appropriateness of agricultural production were compared by variance analysis. Results. The results showed three types of farm: farms with a low-income culture (farmers with few animals), those with a high income culture (farmers with a large number of animals) and those deriving income from breeding (stockbreeders). Taking into account the structure of the farms, their production practices, their technico-economic performance and their appropriateness of agricultural production, the form of sustainable accompaniment needed may be identified in relation to several common or specific innovations of the identified farm types. Accompaniments in the case of farm stock management, and good practice in the management of soil fertility and of animals were common to the three types of EAF. The fodder culture, fattening on pasture and the method of dairy production were specific to the farmers with a large number of animals and to the stockbreeders. The improvement of the food value of culture residues and of some aspects of the maintenance of oxen were more appropriate to the farmers with few animals. Conclusions. In order to succeed, the process of accompaniment must take into account both these specificities and the concept of sustainability. Description du sujet. Dans la zone cotonnière ouest du Burkina Faso, la variabilité et la diversité des revenus des exploitations agricoles familiales (EAF) demandent pour ces dernières des accompagnements appropriés. Objectifs. Cet article rend compte de cette diversité et des besoins d’accompagnement selon les types d’EAF identifiés.Méthode. Les données ont été collectées par la méthode active de recherche participative et par enquête auprès d’un échantillon raisonné de 120 exploitations dans la commune de Koumbia. Une analyse en composante principale avec des indicateurs économiques de l’EAF suivie d’une classification ascendante hiérarchique ont été appliquées. Les caractéristiques structurelles, les pratiques de production agro-pastorales, les perceptions des chefs d’EAF sur les contraintes et opportunités de production agropastorale ont été comparées par une analyse de variance.Résultats. Les résultats montrent trois types d’exploitations : les exploitations à faible revenu culture (agriculteurs), à fort revenu culture (agro-éleveurs) et à revenu élevage (éleveurs). À la lumière de leurs structures, pratiques de production, performances technico-économiques et opportunités de production agricole, leur accompagnement peut porter sur plusieurs innovations durables communes ou spécifiques des types identifiés. Des accompagnements sur la gestion des ressources de l’exploitation, les bonnes pratiques de gestion de la fertilité des sols et des animaux sont communs aux trois types d’EAF. Les cultures fourragères, l’embouche et la production laitière sont spécifiques aux agro-éleveurs et éleveurs. L’amélioration de la valeur nutritive des résidus de cultures et l’entretien des bœufs de trait conviennent plus aux agriculteurs.Conclusions. Pour réussir, le processus d’accompagnement doit prendre en compte ces spécificités et la notion de durabilité.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Biotechnologie, Agro...arrow_drop_down
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    Biotechnologie, Agronomie, Société et Environnement
    Article . 2016 . Peer-reviewed
    Data sources: Crossref
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    Agritrop
    Article . 2016
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Biotechnologie, Agro...arrow_drop_down
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      Biotechnologie, Agronomie, Société et Environnement
      Article . 2016 . Peer-reviewed
      Data sources: Crossref
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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      Agritrop
      Article . 2016
      Data sources: Agritrop
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Lacroix, Denis;

    L'aquaculture est l'une des composantes principales de l'apport en protéines dans le monde, surtout en Asie. Elle croît, alors que la pêche, qu'elle a dépassée en tonnage comme en valeur, décline. Selon les écosystèmes et les méthodes employées, elle peut contribuer à valoriser, mais aussi à dégrader les milieux aquatiques. Dans la zone côtière, espace riche et productif au plan biologique mais convoité, l'aquaculture conserve un potentiel de développement si sa mise en œuvre intègre les principes de la durabilité. Celle-ci peut être éclairée par la prospective avec des méthodes d'analyse adaptées à chaque projet. L'analyse de l'expérience de 33 ans en aquaculture de D. Lacroix est faite en trois temps. D'abord, il s'agit de vérifier la qualité de ses travaux de recherche scientifique menés dans des contextes et avec des responsabilités variés en suivant la grille d'analyse de référence d'un doctorat. Ensuite, l'analyse consiste à prendre un recul critique sur les bilans de réalisations majeures (Antilles, Guyane…) en mobilisant l'approche de M. Callon dont la théorie de la traduction permet de construire le réseau des acteurs et de le projeter dans la problématique. Cette grille d'analyse est complétée par l'étude des aspects de temporalité, légitimité et d'acceptabilité pour chaque réalisation. Ce travail sur diverses situations d'intervention permet de préparer une réflexion sur la proposition méthodologique qui suit et son adaptation à des conditions variables. Enfin, les connaissances acquises sont synthétisées afin de construire une méthode de prospective qui permettrait de gagner en temps, en efficacité et en moyens sur des projets à venir. Pour cela, l'analyse s'appuie sur la vision de R. Passet, qui structure les éléments de tout projet dans la hiérarchie des composantes de la durabilité. Le système dynamique qui en résulte peut être alors croisé avec divers scénarios afin d'en simuler les conséquences et donc d‟éclairer les choix. Cette méthode, dite Aster, est testée sur le cas « modèle » et bien documenté de l'élevage de la crevette Macrobrachium rosenbergii en Guyane française. Elle permet d'aboutir à des recommandations précises et argumentées en matière de recherche comme de développement pour tout décideur impliqué. Aquaculture is one of the main supply of protein in feed for mankind, notably in Asia. It increases and had exceeded the level of production of world fisheries, which is decreasing. According to sites and rearing methods, aquaculture contributes to add value but also in some cases to impact negatively the aquatic ecosystems. In the coastal area, a rich and productive zone, but also a place of conflicts, this activity presents a high potential for development if it takes into account the rules of sustainability. The conditions of this sustainability may be cleared with appropriate methods of foresight analysis applied for each development project. The analysis of the professional experience of D. Lacroix for 33 years in aquaculture is structured in three steps. Firstly, the work is to check the scientific value of the research conducted under his responsibility in various contexts and for different responsibilities. This study refers to the requirements of a PhD. In the second part of the work, the results of few major projects (French West Indies, French Guyana….) are analysed with the support of the theory of translation (Callon et al) which allows to build a network of actors and to project it into the context. This way of study includes a special attention to the aspects of time planning, legitimacy and acceptability. Finally, the author examines how this knowledge gained from experience could help building a method for foresight analysis aiming at a shorter planning, a better timing and less means for future projects. To achieve this goal the author integrates the vision of the economist R. Passet which structures any project in an ecosystemic framework, including criteria of sustainability. The mix of these two approaches (Callon & Passet) entails in a new tool for foresight analysis, called Aster, which originality is to offer the possibility to test various scenarios and related consequences to help decision -makers. This new method of foresight analysis, is then tested on the well known case study of the development of prawn Macrobrachium rosenbergii in French Guyana. The test shows to be successful as it delivers precise and arguable recommendations about research and development for all stakeholders.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ ArchiMer - Instituti...arrow_drop_down
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Paquotte, Philippe;

    Aquaculture is an economic activity which is characterised by a great dependence on environmental conditions. Therefore aquaculture development is subdued to institutional context which defines the rules for use and conservation of the environment. This paper analyses the impact of marine environment regulations on economic operating of aquaculture enterprises and on industrial dynamics. Because aquaculture enterprises use a collective good, an economic approach of aquaculture has to take into account not only the relations between enterprises and environment, but also the relations between the enterprises themselves, through production externalities. In this study, several economic tools are considered in order to incite enterprises to integrate pad of the cost of their effects on the environment. But these public policies have to take into account the youth of the activity, the specific economic situation of the enterprises and the place of aquaculture in global coastal management. [NOT CONTROLLED OCR] L'aquaculture est confrontée à un cadre institutionnel définissant les conditions d'accès d'utilisation et de protection du milieu marin. La réglementation sur l'environnement va avoir un impact sur le fonctionnement économique des entreprises et sur la dynamique sectorielle de l'aquaculture. A partir de l'étude de la nature des relations entre entreprises et milieu, on peut proposer un certain nombre d'outils économiques permettant de faire prendre en compte par les entreprises une partie du coût de leurs effets sur l'environnement. Dans le cas particulier de l'aquaculture marine, cette réglementation doit cependant tenir compte de la jeunesse de l'activité, de la situation économique des entreprises et de leur rôle dans une politique d'aménagement du littoral. [OCR NON CONTRÔLE]

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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ ArchiMer - Instituti...arrow_drop_down
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    Authors: Dion, Stéphane; Laurent, Eloi;

    From Rio to Rio: A global carbon price signal to escape the great climate inconsistency Two decades after the 1992 Rio Conference,we must admit to collective failure in combating human induced climate change. We cannot escape serious climate disruption if we keep going down that road. We must change direction, and we must move quickly. To this end, we call in this paper for a fine tuning of the international negotiations on climate. We propose refocusing these international efforts on negotiating a global carbon price signal, harmonized in principle but flexible in practice, instead of doggedly spending the next few years attempting to convince countries to accept stricter national targets for quantitative reduction of their greenhouse gas (GHG) emissions.

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  • Authors: Christophe Revelli; Thomas Lagoarde-Segot;

    This article sheds light on the issue of financing the 2030 Agenda. First of all, we highlight the analytical inconsistency of market financing strategies based on neoclassical theory. We then put forward the elements of an alternative strategy based on the issuance of a new category of financial instruments: the ecological sovereign security (ESS). Then, we develop "Philia 1.1", a new 32-equation stock-flow coherent model (SFC) to analyze the effects of issuing TSE on macroeconomic dynamics and the ecological transition process. Simulations suggest that the issuance of TSEs could help to drive an expansionary macroeconomic dynamic beneficial to employees, while embedding the additional activity in new ecological and social criteria. TSE emissions could therefore play a driving role in the pursuit of Sustainable Development Goals (SDGs). Cet article apporte l’éclairage de la Théorie Financière Écologique sur la question du financement de l’Agenda 2030. Nous mettons en évidence l’incohérence analytique du financement par les marchés, fondé sur la théorie néoclassique. Nous avançons une stratégie alternative reposant sur l’émission d’une nouvelle catégorie d’instruments financiers : le titre souverain écologique (TSE). Puis, nous développons « Philia 1.1 » un nouveau modèle stock-flux cohérent. Les simulations suggèrent que l’émission de TSE pourrait impulser une dynamique macroéconomique expansionniste bénéfique aux salariés tout en encastrant le surcroit d’activité dans de nouveaux critères écologiques et sociaux. L’émission de TSE pourrait jouer un rôle moteur dans la poursuite des Objectifs du Développement Durable (ODD).

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    Authors: Collias, Eric; Danto, Anatole;

    Eco-anthropology in Lower Loire river : collectives to the test of the tide, the mild, the dry At the mouth of the Loire, from the upstream of Nantes to Saint-Nazaire, the floodplain is composed of various wetlands. This area is the site of many marshland activities, subject to the hazards of the "last wild river in Europe" : variations in discharge, tides, sedimentary and biological flows. Eco-anthropological research is currently underway in this area, aimed at describing some practices and uses, and their place in the effective management of the Lower Loire ecosystem. The research approach is inspired by a symmetrical anthropology that leaves place for non-humans, considering a hybrid sociality in which the categories of nature and culture are set aside. It is based mainly on ethnographic materials acquired during field surveys. Through this paper, we pay attention to the ways in which some of the collectives are recomposed. These assemblages are tested by the increase in the oscillating volume of the tide induced by the intensification of dredging in the estuary since 1976, as well as by the consequences of the episode of mild winter weather and insufficient rainfall, particular to the 2016-1017 period. We think that the « mere description » of these singular relations is a way of co-producing knowledge with the beings of these hybrid collectives, and that reporting it may strengthen their consistency. We present a table of different modes of coexistence of these collectives of things, beasts, humans and plants in the trial of strength of the Capitalocene, and conclude by emphasizing the necessity to develop there a relational ecology through the practice of an « art of attention ». Keywords : eco-anthropology, Loire estuary, Brière, Brivet, hybrid collectives, low water, climate change, planning, Capitalocene À l'embouchure de la Loire, de l'amont de Nantes à Saint-Nazaire, le lit majeur du fleuve est composé de diverses zones humides. Cet espace est le lieu de nombreuses activités palustres, soumises aux aléas du fleuve : variations de débits, marées, flux sédimentaires et biologiques. Une recherche éco-anthropologique est actuellement en cours sur cet espace, visant à décrire certaines pratiques et certains usages, et leur place dans la gestion effective de l'écosystème de la Basse-Loire. La démarche de recherche s'inspire d'une anthropologie symétrique laissant la place aux non-humains, considérant une socialité hybride où les catégories de nature et de culture sont mises de côté. Il s'appuie principalement sur les matériaux ethnographiques acquis lors d'enquêtes de terrain. Dans cet article, nous prêtons attention aux évolutions de ces agencements face à l‘augmentation du volume oscillant de la marée induit par l'intensification des dragages de l'estuaire depuis 1976, ainsi qu'aux effets de l'épisode de douceur hivernale et de déficit pluviométrique particulier à la période 2016-1017. Nous pensons que la « simple description » de ces relations singulières est un mode de co-production du savoir avec les êtres qui peuplent ces collectifs hybrides, et que le fait d'en rendre compte est susceptible de renforcer leur cohérence. Nous présentons un tableau de différents modes de coexistence de ces collectifs de choses, de bêtes, d'hommes et de plantes à l'épreuve du Capitalocène, et concluons en soulignant la nécessité d'y développer l'écologie des relations par la pratique d'un « art de l'attention ». Mots-clés : éco-anthropologie, estuaire de la Loire, Brière, Brivet, étiage, changement climatique, aménagement, collectifs hybrides, Capitalocène

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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Koutou, Mahamoudou; Sangaré, Mamadou; Havard, Michel; Toillier, Aurélie; +3 Authors

    Income source and accompaniment needs of family farms in the cotton growing area of West Burkina Faso Description of the subject. In the western cotton growing area of Burkina Faso, the variability and the diversity of the income levels of family farms (EAFs) mean that these farms require suitable agronomic accompaniment. Objectives. This article gives an account of this diversity and the need for accompaniment according to the type of identified EAF.Method. The data were collected by the active method of participative research and by investigation of the practices of 120 farms in the commune of Koumbia. Principal component analyses with economic indicators of the EAF were applied, followed by an ascending hierarchical clustering. The structural characteristics, the agro-pastoral practices of production, and the perceptions of the EAF regarding the constraints and appropriateness of agricultural production were compared by variance analysis. Results. The results showed three types of farm: farms with a low-income culture (farmers with few animals), those with a high income culture (farmers with a large number of animals) and those deriving income from breeding (stockbreeders). Taking into account the structure of the farms, their production practices, their technico-economic performance and their appropriateness of agricultural production, the form of sustainable accompaniment needed may be identified in relation to several common or specific innovations of the identified farm types. Accompaniments in the case of farm stock management, and good practice in the management of soil fertility and of animals were common to the three types of EAF. The fodder culture, fattening on pasture and the method of dairy production were specific to the farmers with a large number of animals and to the stockbreeders. The improvement of the food value of culture residues and of some aspects of the maintenance of oxen were more appropriate to the farmers with few animals. Conclusions. In order to succeed, the process of accompaniment must take into account both these specificities and the concept of sustainability. Description du sujet. Dans la zone cotonnière ouest du Burkina Faso, la variabilité et la diversité des revenus des exploitations agricoles familiales (EAF) demandent pour ces dernières des accompagnements appropriés. Objectifs. Cet article rend compte de cette diversité et des besoins d’accompagnement selon les types d’EAF identifiés.Méthode. Les données ont été collectées par la méthode active de recherche participative et par enquête auprès d’un échantillon raisonné de 120 exploitations dans la commune de Koumbia. Une analyse en composante principale avec des indicateurs économiques de l’EAF suivie d’une classification ascendante hiérarchique ont été appliquées. Les caractéristiques structurelles, les pratiques de production agro-pastorales, les perceptions des chefs d’EAF sur les contraintes et opportunités de production agropastorale ont été comparées par une analyse de variance.Résultats. Les résultats montrent trois types d’exploitations : les exploitations à faible revenu culture (agriculteurs), à fort revenu culture (agro-éleveurs) et à revenu élevage (éleveurs). À la lumière de leurs structures, pratiques de production, performances technico-économiques et opportunités de production agricole, leur accompagnement peut porter sur plusieurs innovations durables communes ou spécifiques des types identifiés. Des accompagnements sur la gestion des ressources de l’exploitation, les bonnes pratiques de gestion de la fertilité des sols et des animaux sont communs aux trois types d’EAF. Les cultures fourragères, l’embouche et la production laitière sont spécifiques aux agro-éleveurs et éleveurs. L’amélioration de la valeur nutritive des résidus de cultures et l’entretien des bœufs de trait conviennent plus aux agriculteurs.Conclusions. Pour réussir, le processus d’accompagnement doit prendre en compte ces spécificités et la notion de durabilité.

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    Biotechnologie, Agronomie, Société et Environnement
    Article . 2016 . Peer-reviewed
    Data sources: Crossref
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    Agritrop
    Article . 2016
    Data sources: Agritrop
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      Biotechnologie, Agronomie, Société et Environnement
      Article . 2016 . Peer-reviewed
      Data sources: Crossref
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      Agritrop
      Article . 2016
      Data sources: Agritrop
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Lacroix, Denis;

    L'aquaculture est l'une des composantes principales de l'apport en protéines dans le monde, surtout en Asie. Elle croît, alors que la pêche, qu'elle a dépassée en tonnage comme en valeur, décline. Selon les écosystèmes et les méthodes employées, elle peut contribuer à valoriser, mais aussi à dégrader les milieux aquatiques. Dans la zone côtière, espace riche et productif au plan biologique mais convoité, l'aquaculture conserve un potentiel de développement si sa mise en œuvre intègre les principes de la durabilité. Celle-ci peut être éclairée par la prospective avec des méthodes d'analyse adaptées à chaque projet. L'analyse de l'expérience de 33 ans en aquaculture de D. Lacroix est faite en trois temps. D'abord, il s'agit de vérifier la qualité de ses travaux de recherche scientifique menés dans des contextes et avec des responsabilités variés en suivant la grille d'analyse de référence d'un doctorat. Ensuite, l'analyse consiste à prendre un recul critique sur les bilans de réalisations majeures (Antilles, Guyane…) en mobilisant l'approche de M. Callon dont la théorie de la traduction permet de construire le réseau des acteurs et de le projeter dans la problématique. Cette grille d'analyse est complétée par l'étude des aspects de temporalité, légitimité et d'acceptabilité pour chaque réalisation. Ce travail sur diverses situations d'intervention permet de préparer une réflexion sur la proposition méthodologique qui suit et son adaptation à des conditions variables. Enfin, les connaissances acquises sont synthétisées afin de construire une méthode de prospective qui permettrait de gagner en temps, en efficacité et en moyens sur des projets à venir. Pour cela, l'analyse s'appuie sur la vision de R. Passet, qui structure les éléments de tout projet dans la hiérarchie des composantes de la durabilité. Le système dynamique qui en résulte peut être alors croisé avec divers scénarios afin d'en simuler les conséquences et donc d‟éclairer les choix. Cette méthode, dite Aster, est testée sur le cas « modèle » et bien documenté de l'élevage de la crevette Macrobrachium rosenbergii en Guyane française. Elle permet d'aboutir à des recommandations précises et argumentées en matière de recherche comme de développement pour tout décideur impliqué. Aquaculture is one of the main supply of protein in feed for mankind, notably in Asia. It increases and had exceeded the level of production of world fisheries, which is decreasing. According to sites and rearing methods, aquaculture contributes to add value but also in some cases to impact negatively the aquatic ecosystems. In the coastal area, a rich and productive zone, but also a place of conflicts, this activity presents a high potential for development if it takes into account the rules of sustainability. The conditions of this sustainability may be cleared with appropriate methods of foresight analysis applied for each development project. The analysis of the professional experience of D. Lacroix for 33 years in aquaculture is structured in three steps. Firstly, the work is to check the scientific value of the research conducted under his responsibility in various contexts and for different responsibilities. This study refers to the requirements of a PhD. In the second part of the work, the results of few major projects (French West Indies, French Guyana….) are analysed with the support of the theory of translation (Callon et al) which allows to build a network of actors and to project it into the context. This way of study includes a special attention to the aspects of time planning, legitimacy and acceptability. Finally, the author examines how this knowledge gained from experience could help building a method for foresight analysis aiming at a shorter planning, a better timing and less means for future projects. To achieve this goal the author integrates the vision of the economist R. Passet which structures any project in an ecosystemic framework, including criteria of sustainability. The mix of these two approaches (Callon & Passet) entails in a new tool for foresight analysis, called Aster, which originality is to offer the possibility to test various scenarios and related consequences to help decision -makers. This new method of foresight analysis, is then tested on the well known case study of the development of prawn Macrobrachium rosenbergii in French Guyana. The test shows to be successful as it delivers precise and arguable recommendations about research and development for all stakeholders.

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    Authors: Paquotte, Philippe;

    Aquaculture is an economic activity which is characterised by a great dependence on environmental conditions. Therefore aquaculture development is subdued to institutional context which defines the rules for use and conservation of the environment. This paper analyses the impact of marine environment regulations on economic operating of aquaculture enterprises and on industrial dynamics. Because aquaculture enterprises use a collective good, an economic approach of aquaculture has to take into account not only the relations between enterprises and environment, but also the relations between the enterprises themselves, through production externalities. In this study, several economic tools are considered in order to incite enterprises to integrate pad of the cost of their effects on the environment. But these public policies have to take into account the youth of the activity, the specific economic situation of the enterprises and the place of aquaculture in global coastal management. [NOT CONTROLLED OCR] L'aquaculture est confrontée à un cadre institutionnel définissant les conditions d'accès d'utilisation et de protection du milieu marin. La réglementation sur l'environnement va avoir un impact sur le fonctionnement économique des entreprises et sur la dynamique sectorielle de l'aquaculture. A partir de l'étude de la nature des relations entre entreprises et milieu, on peut proposer un certain nombre d'outils économiques permettant de faire prendre en compte par les entreprises une partie du coût de leurs effets sur l'environnement. Dans le cas particulier de l'aquaculture marine, cette réglementation doit cependant tenir compte de la jeunesse de l'activité, de la situation économique des entreprises et de leur rôle dans une politique d'aménagement du littoral. [OCR NON CONTRÔLE]

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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ ArchiMer - Instituti...arrow_drop_down
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    Authors: Dion, Stéphane; Laurent, Eloi;

    From Rio to Rio: A global carbon price signal to escape the great climate inconsistency Two decades after the 1992 Rio Conference,we must admit to collective failure in combating human induced climate change. We cannot escape serious climate disruption if we keep going down that road. We must change direction, and we must move quickly. To this end, we call in this paper for a fine tuning of the international negotiations on climate. We propose refocusing these international efforts on negotiating a global carbon price signal, harmonized in principle but flexible in practice, instead of doggedly spending the next few years attempting to convince countries to accept stricter national targets for quantitative reduction of their greenhouse gas (GHG) emissions.

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  • Authors: Christophe Revelli; Thomas Lagoarde-Segot;

    This article sheds light on the issue of financing the 2030 Agenda. First of all, we highlight the analytical inconsistency of market financing strategies based on neoclassical theory. We then put forward the elements of an alternative strategy based on the issuance of a new category of financial instruments: the ecological sovereign security (ESS). Then, we develop "Philia 1.1", a new 32-equation stock-flow coherent model (SFC) to analyze the effects of issuing TSE on macroeconomic dynamics and the ecological transition process. Simulations suggest that the issuance of TSEs could help to drive an expansionary macroeconomic dynamic beneficial to employees, while embedding the additional activity in new ecological and social criteria. TSE emissions could therefore play a driving role in the pursuit of Sustainable Development Goals (SDGs). Cet article apporte l’éclairage de la Théorie Financière Écologique sur la question du financement de l’Agenda 2030. Nous mettons en évidence l’incohérence analytique du financement par les marchés, fondé sur la théorie néoclassique. Nous avançons une stratégie alternative reposant sur l’émission d’une nouvelle catégorie d’instruments financiers : le titre souverain écologique (TSE). Puis, nous développons « Philia 1.1 » un nouveau modèle stock-flux cohérent. Les simulations suggèrent que l’émission de TSE pourrait impulser une dynamique macroéconomique expansionniste bénéfique aux salariés tout en encastrant le surcroit d’activité dans de nouveaux critères écologiques et sociaux. L’émission de TSE pourrait jouer un rôle moteur dans la poursuite des Objectifs du Développement Durable (ODD).

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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Collias, Eric; Danto, Anatole;

    Eco-anthropology in Lower Loire river : collectives to the test of the tide, the mild, the dry At the mouth of the Loire, from the upstream of Nantes to Saint-Nazaire, the floodplain is composed of various wetlands. This area is the site of many marshland activities, subject to the hazards of the "last wild river in Europe" : variations in discharge, tides, sedimentary and biological flows. Eco-anthropological research is currently underway in this area, aimed at describing some practices and uses, and their place in the effective management of the Lower Loire ecosystem. The research approach is inspired by a symmetrical anthropology that leaves place for non-humans, considering a hybrid sociality in which the categories of nature and culture are set aside. It is based mainly on ethnographic materials acquired during field surveys. Through this paper, we pay attention to the ways in which some of the collectives are recomposed. These assemblages are tested by the increase in the oscillating volume of the tide induced by the intensification of dredging in the estuary since 1976, as well as by the consequences of the episode of mild winter weather and insufficient rainfall, particular to the 2016-1017 period. We think that the « mere description » of these singular relations is a way of co-producing knowledge with the beings of these hybrid collectives, and that reporting it may strengthen their consistency. We present a table of different modes of coexistence of these collectives of things, beasts, humans and plants in the trial of strength of the Capitalocene, and conclude by emphasizing the necessity to develop there a relational ecology through the practice of an « art of attention ». Keywords : eco-anthropology, Loire estuary, Brière, Brivet, hybrid collectives, low water, climate change, planning, Capitalocene À l'embouchure de la Loire, de l'amont de Nantes à Saint-Nazaire, le lit majeur du fleuve est composé de diverses zones humides. Cet espace est le lieu de nombreuses activités palustres, soumises aux aléas du fleuve : variations de débits, marées, flux sédimentaires et biologiques. Une recherche éco-anthropologique est actuellement en cours sur cet espace, visant à décrire certaines pratiques et certains usages, et leur place dans la gestion effective de l'écosystème de la Basse-Loire. La démarche de recherche s'inspire d'une anthropologie symétrique laissant la place aux non-humains, considérant une socialité hybride où les catégories de nature et de culture sont mises de côté. Il s'appuie principalement sur les matériaux ethnographiques acquis lors d'enquêtes de terrain. Dans cet article, nous prêtons attention aux évolutions de ces agencements face à l‘augmentation du volume oscillant de la marée induit par l'intensification des dragages de l'estuaire depuis 1976, ainsi qu'aux effets de l'épisode de douceur hivernale et de déficit pluviométrique particulier à la période 2016-1017. Nous pensons que la « simple description » de ces relations singulières est un mode de co-production du savoir avec les êtres qui peuplent ces collectifs hybrides, et que le fait d'en rendre compte est susceptible de renforcer leur cohérence. Nous présentons un tableau de différents modes de coexistence de ces collectifs de choses, de bêtes, d'hommes et de plantes à l'épreuve du Capitalocène, et concluons en soulignant la nécessité d'y développer l'écologie des relations par la pratique d'un « art de l'attention ». Mots-clés : éco-anthropologie, estuaire de la Loire, Brière, Brivet, étiage, changement climatique, aménagement, collectifs hybrides, Capitalocène

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