Ecosystèmes Tropicaux
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Forum "Changement climatique : des données scientifiques à l'action politique"

Forum "Changement climatique : des données scientifiques à l'action politique" | Ecosystèmes Tropicaux | Scoop.it
À l'occasion de la publication à Stockholm, le 27 septembre 2013, du cinquième rapport du Groupe d'experts intergouvernemental sur l'évolution du climat (GIEC), les autorités françaises ont convoqué le monde scientifique et la société civile en...
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Ecosystèmes Tropicaux
Veille sur les écosystèmes tropicaux. Réalisée par Agroparistech - centre de Montpellier - A. Filatre
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La veille part en vacances ...

La veille part en vacances ... | Ecosystèmes Tropicaux | Scoop.it

La veille prend ses quartiers d'été jusqu'au 01 septembre.

En attendant de se retrouver, à tous, un très bel été !

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Estimating landscape susceptibility to soil erosion using a GIS-based approach in Northern Ethiopia | World Agroforestry Centre

Soil erosion is a very critical form of land degradation resulting in the loss of soil nutrients and downstreamsedimentation of water storages in the highlands of Ethiopia. As it is technically and financiallyimpossible to conserve all landscapes affected by erosion, identification of priority areas of intervention isnecessary. Spatially distributed erosion models can help map landscape susceptibility to erosion andidentify high erosion risk areas.
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Chapter 33 - Trees, Soils and Food Security | World Agroforestry Centre

Trees have a different impact on soil properties than annual crops, because of their longer residence time, larger biomass accumulation, and longer-lasting, more extensive root systems. In natural forests nutrients are efficiently cycled with very small inputs and outputs from the system. In most agricultural systems the opposite happens.
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La participation des populations locales à la surveillance des forêts: pourquoi et comment ? / Actualités - Unité de recherche Cirad - Forêts et sociétés

Un numéro spécial de PLOS ONE est consacré à la participation des communautés au MRV (mesures, notification, vérification) de carbone dans le cadre de la REDD+. Des 12 articles publiés, 6 viennent du projet PMRV coordonné par Manuel Boissière (UPR Forêts et Sociétés) entre 2013 et 2014, auquel s'ajoute un article de synthèse.
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Forests as food: New report highlights important relationship between forest landscapes and healthy diets - Forests, Trees and Agroforestry

Forests as food: New report highlights important relationship between forest landscapes and healthy diets - Forests, Trees and Agroforestry | Ecosystèmes Tropicaux | Scoop.it
It’s a bit ironic that while wild foraged ingredients are increasingly popping up on Michelin-starred menus around the world, the communities who have traditionally subsisted on these foods are consuming them less and less. Baobab fruit and bush mango for vitamins and minerals; bushmeat for fats and micronutrients; bamboo shoots for fiber; ferns for complex carbohydrates and various essential oils …
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Smallholder farmers in REDD+ sites: The cost of missed opportunities - Forests, Trees and Agroforestry

Smallholder farmers in REDD+ sites: The cost of missed opportunities - Forests, Trees and Agroforestry | Ecosystèmes Tropicaux | Scoop.it
Paying farmers not to clear forests could be more effective – if we had a better idea of how much income they really lose. It is clear that REDD+ has changed from what was first envisaged. First formulated in 2005 as part of the United Nations Framework Convention on Climate Change, the approach attracted high hopes for slowing down climate …
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Estimating smallholder opportunity costs of REDD+: A pantropical analysis from households to carbon and back - Forests, Trees and Agroforestry

Compensating forest users for the opportunity costs of foregoing deforestation and degradation was one of the original distinguishing features of REDD+ (Reducing Emissions from Deforestation and Degradation). In the early days of REDD+, such costs for tropical smallholders were believed to be quite low, but this has increasingly been questioned. A decade after the concept was proposed, direct payments to …
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Chapter 5 - The Domestication and Commercialization of Indigenous Trees in Agroforestry for the Alleviation of Poverty | World Agroforestry Centre

The diversification of farming systems with trees producing useful food and nonfood products is aimed at enhanced agroecosystem functions and poverty alleviation arising out of expanded and enriched trade opportunities in the rural economy. To progress towards these aims we discuss here appropriate domestication strategies, the early phase of a research program involving local farmers, the market opportunities, and the appropriate deployment of improved cultivars.
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Données sur la recherche agricole en Afrique subsaharienne

Données sur la recherche agricole en Afrique subsaharienne | Ecosystèmes Tropicaux | Scoop.it
Un rapport publié en avril 2017 fournit un ensemble d’indicateurs sur la recherche agricole dans 40 pays du continent.
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Adoption of agroforestry and the impact on household food security among farmers in Malawi | World Agroforestry Centre

Agroforestry is increasingly regarded as an important adaptation and mitigation strategy against climate change.In particular, the use of fertilizer trees has been promoted as a practice that contributes to improved soil fertilitythrough nitrogen fixation, by increasing supply of nutrients for crop production. While a lot of the evidence onthe impact of fertilizer trees relies on on-farm experiments and correlational analysis, there is a paucity ofrigorous evidence under actual smallholder farming conditions.
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ICRAF presents the role of evidence and improved soil management for land restoration in sub-Saharan Africa at European Development Days - Forests, Trees and Agroforestry

ICRAF presents the role of evidence and improved soil management for land restoration in sub-Saharan Africa at European Development Days - Forests, Trees and Agroforestry | Ecosystèmes Tropicaux | Scoop.it
Approximately 70% of Africa’s population depends on its agriculture-based economy for their livelihoods, underscoring the importance of soil to the sector. Fertile soils across the continent are under threat, however, due in large part to climate change and poor land management which leads to the depletion of nutrients and soil organic matter and increased soil erosion. During the recent European …
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Six nouvelles réserves de biosphère en Afrique

Six nouvelles réserves de biosphère en Afrique | Ecosystèmes Tropicaux | Scoop.it
L’UNESCO vient de reconnaître 23 nouveaux sites dans 22 pays, dont le Bénin, le Togo, le Niger, l'Ethiopie, le soudan et l'Afrique du Sud.
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Forêts sacrées: Les croyances locales au service de la nature

Forêts sacrées: Les croyances locales au service de la nature | Ecosystèmes Tropicaux | Scoop.it

Regards sur le lien sacré homme-nature, pour la protection de l'environnement.

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What should be included in the Green Climate Fund’s new Gender Policy and Action Plan?: Lessons from CIFOR’s research and analyses - Forests, Trees and Agroforestry

Key points Despite a clear mandate for addressing gender equality in climate policy and action, gender considerations tend to be sidelined or watered down at national/program levels. The Green Climate Fund is well placed to help bridge this gap and contribute toward a global vision to address gender equality and women’s empowerment in climate policy and action. For this, the …
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Analyser les filières sous le prisme du développement durable - CIRAD

Analyser les filières sous le prisme du développement durable - CIRAD | Ecosystèmes Tropicaux | Scoop.it
Analyser les filières sous le prisme du développement durable : La commission européenne vient d’initier un vaste programme pour comprendre l’impact des filières agricoles en termes de durabilité sur les plans économique, social et environnemental. L
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Des supports pédagogiques pour promouvoir l’agroécologie au Laos - Gret

Des supports pédagogiques pour promouvoir l’agroécologie au Laos - Gret | Ecosystèmes Tropicaux | Scoop.it
Dans le cadre du projet « Alliance pour l’apprentissage de l’agroécologie » (Alisea), le Gret a organisé le 13 juin dernier à [Lire la suite]
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Les impacts des routes forestières sur les forêts tropicales / Actualités - Unité de recherche Cirad - Forêts et sociétés

La polémique sur les impacts des routes forestières sur les forêts tropicales bat son plein. Nous livrons ici le point de vue de Fritz Kleinschroth, qui a réalisé sa thèse, au sein de l'UPR Forêts et Sociétés, sur l'impact et le devenir des pistes forestières dans le bassin forestier du Congo.
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2015 - L'arbre et la forêt à l'épreuve d'un climat qui change

Portail de veille thématique pour les sciences sociales en Agriculture, Alimentation, Espace et Environnement
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Chapter 13 - Agroforestry Tree Products (AFTPs) | World Agroforestry Centre

An analysis of the constraints facing smallholder farmers in the tropics has identified many interactions between environmental, social and economic factors that create the downward spiral of the -cycle of land degradation and social deprivation. This paper examines the numerous likely impacts of both the domestication of agroforestry trees and the commercialization of their products, and identifies who are the winners and the losers from these activities - and especially evaluates how they impact on the livelihoods of the farmers who cultivate and market them.
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Motivation Matters: Lessons for REDD+ Participatory Measurement, Reporting and Verification from Three Decades of Child Health Participatory Monitoring in Indonesia - Forests, Trees and Agroforestry

Motivation Matters: Lessons for REDD+ Participatory Measurement, Reporting and Verification from Three Decades of Child Health Participatory Monitoring in Indonesia - Forests, Trees and Agroforestry | Ecosystèmes Tropicaux | Scoop.it
Abstract Participatory Measurement, Reporting and Verification (PMRV), in the context of reducing emissions from deforestation and forest degradation with its co-benefits (REDD+) requires sustained monitoring and reporting by community members. This requirement appears challenging and has yet to be achieved. Other successful, long established, community self-monitoring and reporting systems may provide valuable lessons. The Indonesian integrated village healthcare program (Posyandu) …
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Revue Pour 2016/2 | Cairn.info

Page 3 : Xavier Guiomar - Éditorial | Page 5 à 15 : Stéphanie Personne, Laure Bentze - Développer les jardins à but thérapeutique en Ile de France | Page 16 à 23 : Amélie Bresson, Chantal Creusot - Comment gérer l’après-projet et la fin de l’animation ? | Page 25 à 31 : Philippe Sahuc, Pierrick Monnet - Introductions | Page 33 à 35 : Philippe Sahuc - Du rural pour vivre, aujourd’hui comme hier, avec les venu-e-s d’ailleurs ? | Page 37 à 48 : Coline Aquilina - Nouveaux arrivants dans les campagnes françaises | Page 49 à 53 : Djassim Mohamed Hamid, Philippe Sahuc - Avoir été accueilli jeune en milieu rural | Page 55 à 64 : Mélanie Gambino - « Sois gentil et te fais pas remarquer ! » | Page 65 à 68 : Mathilde Ferrand - L’éducation au service du développement territorial dans la commune d’Arbâa Sahel (Maroc) | Page 69 à 77 : Pauline Bretaudeau, Brieuc Guinard - Journal de bord d’une fête de village permanente ! | Page 79 à 80 : Arnaud Cleenewerck - Réfugiés : créer l’échange par la rencontre | Page 81 à 89 : Jessica Vuillaume - Une expérience agriculturelle en Vallée de l’Ouche (21) | Page 91 à 95 : Laetitia Cornu - Les solidarités rurales d’aujourd’hui vues par une élue locale | Page 97 à 111 : Didier Christophe - Être réfugié Rom serbe en Corrèze : saisir sa chance dans un département rural | Page 113 à 119 : Philippe Sahuc - Une nouvelle façon de voir le « co-opérer ensemble » | Page 121 à 124 : Paul Carricaburu, Philippe Sahuc - Rencontrer l’autre sur son propre terrain ? | Page 125 à 132 : Patrick Mayen - Les jeunes du rural et de l’enseignement agricole : une éducation particulière à la citoyenneté ? | Page 133 à 136 : Aurore Jacquemot, Philippe Sahuc - Enseignante-animatrice en vivre-ensemble ? | Page 137 à 141 : Clothilde Arribet - La coopérative comme outil d’apprentissage collectif et de travail sur le renouvellement des générations | Page 143 à 145 : Isabelle Degache, Philippe Sahuc - Le proche et le grand écart ? | Page 147 à 150 : Pierrick Monnet - Comprendre ce qu’on vit avec les autres pour déployer sa pleine « puissance d’action » | Page 151 à 155 : Serge Cordellier - À lire | Page 160 à 168 : - Agenda.
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RDC : consultations sur les risques dans le secteur forestier - Médiaterre

Le gouvernement congolais a entrepris un vaste travail de consultation sur les risques liés à la mise en œuvre des programmes forestiers envisagés dans le cadre de Lettre d’intention conclue en avril 2016 avec l’Initiative pour la forêt d’Afrique centrale (CAFI). Cette Lettre d’intention porte sur l’octroi par la CAFI d’un financement de 200 millions de dollars à la RDC d’ici 2020, dans le but de stabiliser la perte du couvert forestier et le développement durable dans ce pays.

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Can REDD+ help Brazil roll back rising deforestation rates? - Forests, Trees and Agroforestry

Can REDD+ help Brazil roll back rising deforestation rates? - Forests, Trees and Agroforestry | Ecosystèmes Tropicaux | Scoop.it
In Brazil, the role of REDD+ in stemming deforestation since 2004 is unclear — as is its potential for reversing the recent upward trend. Land-use change represents more than 60 percent of Brazil’s greenhouse gas (GHG) emissions, and the Amazon accounts for 65.2 percent of that amount, according to government figures, although those numbers are sometimes contested. Much of the …
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Découvrez l'agro-écologie sous le ciel des pays tropicaux - CIRAD

Découvrez l'agro-écologie sous le ciel des pays tropicaux - CIRAD | Ecosystèmes Tropicaux | Scoop.it
Découvrez l'agro-écologie sous le ciel des pays tropicaux : A l’occasion de la nuit de l’agro-écologie 2017, visitez l'exposition en ligne « La nature comme modèle » et découvrez de nombreuses ressources sur l’agro-écologie dans les pays tropicaux. C
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'Turning the onus of restoration into a bonus for farmers' in Brazil - Forests, Trees and Agroforestry

A recent article on research in Brazil yields seven flexible options for farmers who wish to use agroforestry as a means to comply with regulations while benefitting their land and livelihoods. Setting aside conservation areas on Brazil’s farms and rural properties isn’t just good for the ecosystem, the climate and biodiversity – it’s the law. In 2012, the country passed …
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