David Berre

David Berre
Cirad - La recherche agronomique pour le développement | CIRAD

PhD

About

22
Publications
6,905
Reads
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208
Citations
Additional affiliations
July 2017 - present
Cirad - La recherche agronomique pour le développement
Position
  • Researcher
Description
  • Hosted in CIRDES (Internation research & development center on livestock systems in Sub-humid areas)
September 2016 - present
Cirad - La recherche agronomique pour le développement
Position
  • Researcher
Description
  • System Agronomist on biomass flows at landscape scale and their biophysical and socio-economic determinants
September 2015 - June 2016
International Maize and Wheat Improvement Center
Position
  • PostDoc Position
Education
September 2006 - October 2008
University of Montpellier II & CIRAD research Center
Field of study
  • Tropical agriculture : Environment & Development
September 2003 - June 2006
Université de Pau et des Pays de l'Adour
Field of study
  • Organism Biology

Publications

Publications (22)
Article
Full-text available
CONTEXT The semi-arid zone of Burkina Faso is characterized by strong climate variability and declining soil fertility associated with low biomass production. OBJECTIVE The main objective of this study was to identify key levers to improve biomass management in semi-arid Burkina Faso for diverse farm types. METHODS Farm diversity was captured wit...
Article
Full-text available
Goat genetic resources are one of the main agropastoral resources of West African countries. They play a key role in the fight against poverty and food insecurity. However, the productivity of these resources remains low on most farms. The aim of the study was to improve the growth performance of goats by crossbreeding Sahelian goat (SG) with An...
Article
Full-text available
Increasing soil organic carbon (SOC) in natural and cultivated ecosystems is proposed as a natural climate solution to limit global warming. SOC dynamics is driven by numerous factors such as land-use change, land management and climate change. The amount of additional carbon potentially stored in the soil is the subject of much debate in the scien...
Article
CONTEXT Typologies are widely used to tailor management practices to structural farm households, and to identify recommendation domains. However, it has often been shown that the recommendations are not followed by farmers, especially in the agricultural context of sub-Saharan Africa. OBJECTIVE We aimed to identify links between a typology based o...
Article
Full-text available
Designing innovative cropping systems is an active field of agricultural research challenged by the agroecological transition. One of the challenges is to adapt cropping systems to the diversity of farms and contexts. For instance, in the cotton production zone of Burkina Faso differences between farm resources, agricultural situations and agronomi...
Article
Full-text available
Major drivers of gains or losses in soil organic carbon (SOC) include land management, land-use change, and climate change. Thousands of original studies have focused on these drivers of SOC change and are now compiled in a growing number of meta-analyses. To critically assess the research efforts in this domain, we retrieved and characterized 192...
Article
In West Africa, new management practices such as conservation agriculture with crop residue mulching can improve crop yields for individual farmers. However, in a context of complex social interactions between farmers, the introduction of such practices can also lead to conflicts between private interests and communal use of resources, for example...
Article
Climate model projections coupled with process-based crop models are advocated for assessing impacts of climate change on crop yields and for informing crop-level adaptations. However, most reported studies are vague on the choice of the global circulation models (GCMs) for climate projections, and on the corresponding uncertainty with this type of...
Article
Full-text available
Understanding farm diversity is essential to delineate recommendation domains for new technologies, but diversity is a subjective concept, and can be described differently depending on the way it is perceived. Historically, new technologies have been targeted primarily based on agro-ecological conditions, largely ignoring socioeconomic conditions....
Conference Paper
Full-text available
Volatile climatic conditions, poor soil fertility and low resource endowments are major causes of poor crop productivity on smallholder farms in southern Africa. Despite these barriers, innovative pathways are needed to produce more food per unit area of land, while rebuilding soil fertility. The objective of this study was to use climatic as well...
Conference Paper
Full-text available
Southern Africa (SA) is expected to be particularly impacted by climate change projecting a 40% decrease in rainfall in critical areas over the next 70 years and maize productivity falling by up to 30% by 2030. The high variability in agro-climatic conditions, farming systems and rural livelihoods in SA represents a challenge in the generation of l...
Article
Various methodological improvements in production function modelling allow the integration of undesirable outputs, the distinction between stakeholders' objective-function and the sectoral aggregation of individual technologies. This paper gathers these concepts in order to assess the eco-efficiency of the dairy sector in La Réunion. Our assessment...
Article
Livestock supply must challenge the growth of final demand in the developing countries. This challenge has to take into account its ecological effects since the dairy and livestock sectors are clearly pointed out as human activities which contribute significantly to environmental deterioration. Therefore, livestock activity models have to include des...
Article
Full-text available
Eco-efficiency assessment of La Réunion’s dairy sector: Comparison between productivist and environmentalist objectives Various methodological improvements in production function modelling allow the integration of undesirable outputs, the distinction between stakeholders’ objective-function and the sectoral aggregation of individual technologies. T...
Conference Paper
Full-text available
The model used, GAMEDE, is a “whole-farm” dynamic model composed of 6 biophysical modules and a management system (Vayssières et al, 2009). This simulation model gives accurate predictions for various sustainability indicators (labor, energy consumption, production, nitrogen leaks to the environment...) to characterize observed or hypothetical farm...
Article
Grâce aux avancées méthodologiques sur la prise en compte des outputs indésirables dans la modélisation des technologies de production, cet article permet d’évaluer l’éco-efficience de 51 exploitations laitières de La Réunion selon le point de vue de trois acteurs : l’éleveur, la coopérative et la société. Si l’analyse retient le scenario désirée p...

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Projects

Projects (3)
Project
Identify efficient strategies that foster long term soil carbon sequestration in agricultural systems - Quantify and model soil carbon sequestration dynamics and its determinants in different agricultural systems at crop-soil, farm and landscape scales - Deliberate amongst stakeholders about soil carbon sequestration pathways - Share knowledge, tools and experience on soil management options Questioned on the 4/1000 initiative on soil carbon (C) sequestration to face climate change (CC), several Labex Agro units and their partners propose to pull together their research capacities in order to provide new insights in soil C sequestration, the DSCATT project proposes to explore the potential for sequestering C in cultivated soils, taking into account the sustainability of agricultural practices in the context of global changes. DSCATT operates at 4 sites (in Senegal, Zimbabwe, Kenya, and France). The project addresses 3 interrelated scales of fields, farms or territories. At field level, research focuses on how biomass production and soil C sequestration relate, in different soil and climate conditions. Two approaches complement each other. One studies at the soil-plant interface the processes regulating the forms and residence time of C in soils. It includes the analysis of interactions between nutrients and C storage, the role of deep roots and in soils with contrasting storage potentials. The other approach determines the C balances under different practices. Farms will be characterized in order to propose practices likely to improve complementarities amongst the activities of rural households. At this scale, DSCATT research will focus on farmers' practices (for crops, livestock, forestry…) and assess the impacts of farmers' practices on their objectives (income, food security…), taking into account their main constraints (cash, labour…). The project will assess the social and economic determinants of farmers’ decisions and of trade-offs between farm activities. At the territory (or farmers' network) level, the different compartments of agroecosystems and the organic matter flows will be studied. The project will analyze the role of the socio-economic and biophysical contexts and will test several possible changes and their impacts on soil C sequestration dynamics, economic performance of farms and food security. This scientific knowledge and the viewpoints of the farmers involved will be shared and used for a transdisciplinary assessment of several C sequestration strategies in agricultural soils. Considering changes and uncertainties, a multi-criteria and prospective evaluation approach is proposed. It will allow iterations between evaluation and redefinition of strategies to cope with global changes in agriculture. The sharing and dissemination of the knowledge enriched by the project will target several audiences (farmers, students and teachers, policy makers) through a variety of communication media and assessment tools. DSCATT will link the knowledge on processes governing the preservation of C sequestration and farmers' multiple objectives and constraints. Project cofunded by Agropolis Fondation and Total Fondation (1.6 M€) (2019-2023) Project Leader: Dr Dominique Masse (IRD) https://dscatt.net/ @DSCATT_project #DSCATT
Archived project
Archived project
- Adapation to climate change through CA - Scaling of GMCC and grain legume systems in Malawi, Zambia and Zimbabwe - Climate-smart agriculture