Filters








272 Hits in 5.5 sec

Reconstituting family transitions of Sahelian western Niger 1950-2000: an agent-based modelling approach in a low data context

Mehdi Saqalli, Charles L. Bielders, Pierre Defourny, Bruno Gérard
2013 CyberGeo  
Résumés This research analyses the impacts of the family organization on the diversity of income sources and the sustainability and the dynamics of rainfed farming systems of Sahelian Niger, through an  ...  These authors built an empirical individually-based multi-agent model of a Sahelian village on the commune of Dantiandou, also called the Fakara (region of Tillabery, Western Niger).  ... 
doi:10.4000/cybergeo.25760 fatcat:p5alkvubgzgizmf3tbvqptztya

Exclusions foncières des cadets et vivier pour Boko Haram : hypothèse et proposition méthodologique

Mehdi Saqalli, Pabamé Sougnabé, Sylvain Ferrant, Fabrice Gangneron
2022 Espace populations sociétés  
Saqalli Mehdi, 2008, Populations, farming systems and social transitions in Sahelian Niger: An agent-based modeling approach , PhD Agronomy, Louvain-La-Neuve, Belgique, Université catholique de Louvain  ...  Saqalli Mehdi, Bielders Charles L., Defourny Pierre, Gérard Bruno, 2013, “Reconstituting family transitions of Sahelian western Niger 1950-2000: an agent-based modelling approach in a low data context,  ... 
doi:10.4000/eps.12385 fatcat:gjipk2ei3nhq3mogocn42eszzm

Targeting rural development interventions: Empirical agent-based modeling in Nigerien villages

M. Saqalli, B. Gérard, C.L. Bielders, P. Defourny
2011 Agricultural Systems  
This is performed by simulating the behavior of individuals in an agent-based modeling framework which integrates the village characteristics as well as the family internal rules that condition access  ...  Two distinct approaches were used to model the rationale of farmers' decision making: gains or losses in economic value or gains or losses in within-village "reputation".  ...  Bommel and Dr. C. Le Page (CIRAD-TERA) for their helpful comments on the first versions of the manuscript.  ... 
doi:10.1016/j.agsy.2010.12.007 fatcat:2tei4ztv3bdkpic36tgwnbpfka

Does the Sahelian smallholder's management of woodland, farm trees, rangeland support the hypothesis of human-induced desertification?

M. Mortimore, B. Turner
2005 Journal of Arid Environments  
These include long-term transitions in farming practices, in management of natural resources and in income diversification.  ...  A simple theory of 'desertification' is found inadequate for understanding the complexity, diverse patterns and flexibility of farmers' responses to change in environmental conditions and population growth  ...  Acknowledgements The authors thank their collaborators in Senegal (Magatte Ba, who provided  ... 
doi:10.1016/j.jaridenv.2005.03.005 fatcat:navpzdqznzdfrhiu5sacyjylue

Long-term change in African drylands: can recent history point towards development pathways?

Michael Mortimore
2003 Oxford Development Studies  
The problem of poverty in Africa was often discussed in terms of the agro-ecological specifics and the internal social relations of societies, production systems and economies.  ...  An understanding of this long-term trend may provide a better framework for the diagnosis of current problems and the formulation of future policy on poverty and livelihoods in the drylands.  ...  A "Social Anthropologist's Africa" Anthropologists have tended to resist model-based approaches.  ... 
doi:10.1080/1360081032000146654 fatcat:ybb7eeif5zdmxgnbf4vsvtddx4

Continuing the Commitment: Agricultural Development in the Sahel

Lennart Olsson
1987 Environment  
In particular, we appreciate the assistance provided by approximately 100 Sahelian scientists, decisionmakers, and farmers and herders with whom we spoke, Also, we are grateful to workshop participants  ...  , the advisory panel, and additional reviewers who helped us determine the scope of the work and reviewed it to ensure its accuracy.  ...  and Storage (Washington, DC: July 31, 1985  ... 
doi:10.1080/00139157.1987.9928860 fatcat:qlsozwoaivg5nezgpxzfad62i4

Sociotechnical Context and Agroecological Transition for Smallholder Farms in Benin and Burkina Faso

Parfait K. Tapsoba, Augustin K. N. Aoudji, Madeleine Kabore, Marie-Paule Kestemont, Christian Legay, Enoch G. Achigan-Dako
2020 Agronomy  
This systematic review is part of the vision of a deep agroecology and aims at analyzing the institutional, political, organizational, and social obstacles and levers for an agroecological transition and  ...  Agroecology is a mode of production that nowadays questions our food system which, despite technological progress, still struggles to feed the world's population.  ...  They, therefore, play an important role in the food security of farms and in the process of transition of farms from conventional to agroecological systems [2, 182] .  ... 
doi:10.3390/agronomy10091447 doaj:cd1bfa174e794d75a822bb0c75df7bec fatcat:3bgeb62yjrf4nf6bd7xbchs2qu

Simulating Rural Environmentally and Socio-Economically Constrained Multi-Activity and Multi-Decision Societies in a Low-Data Context: A Challenge Through Empirical Agent-Based Modeling

Mehdi Saqalli, Charles L. Bielders, Bruno Gerard, Pierre Defourny
2010 Journal of Artificial Societies and Social Simulation  
agent-based model focusing on the villagers' differential accesses to economic and production activities according to social rules and norms, mainly driven by social criteria from which gender and rank  ...  However, such sites lack the necessary amount of reliable, checkable data and information, while these very constraining factors determine the populations' evolutions, such as villagers living in Sahelian  ...  , the highest in the world (for instance, 7.1 child per woman in Niger)  ... 
doi:10.18564/jasss.1547 fatcat:d2geaj5pwjhefmy6vfxonqirb4

Rebuilding Resilience in the Sahel: Regreening in the Maradi and Zinder Regions of Niger

Jan Sendzimir, Chris P. Reij, Piotr Magnuszewski
2011 Ecology and Society  
question in a society with one of the highest population growth rates on Earth.  ...  Over the past two decades this myth has been shattered by the dramatic reforestation of more than 5 million hectares in the Maradi and Zinder Regions of Niger.  ...  In addition, the text and supporting materials benefited from the critical advice of Gray Tappan.  ... 
doi:10.5751/es-04198-160301 fatcat:fp6kzoas4rdiflymicsiotpdja

Access, Uptake, Use and Impacts of Agrometeorological Services in Sahelian Rural Areas: The Case of Burkina Faso

Vieri Tarchiani, Hamidou Coulibaly, Grégoire Baki, Cyriaque Sia, Sara Burrone, Pinghouinde Michel Nikiema, Jean-Baptiste Migraine, Jose Camacho
2021 Agronomy  
Nevertheless, the study concludes that in order to scale-up weather and climate services in West Africa, a new business model released from the development projects approach should be explored.  ...  In the Sahel, smallholder farmers relying on rainfed crop production systems are particularly vulnerable to climate change and variability because of low resilience and coping capacity.  ...  Acknowledgments: The authors express their sincere thanks to the Agence Nationale de la Météorologie of Burkina Faso in the persons of Ernest Ouedraogo, former Director General, and Joel Zoungrana, current  ... 
doi:10.3390/agronomy11122431 fatcat:svhltfvj6jedxf4qfpinkhs4sy

Integrating Climate Change into the Environmental Assessment Process: What is the Situation in African Francophone Countries?

Tchindjang Mesmin
2018 Environment and Ecology Research  
Results show that in sub-Saharan Africa in particular, various strategies have employed environmental assessment techniques, including a participatory approach in developing policies, plans and programs  ...  This approach consisted of a review of a particular system or entity vis-à-vis its ability to cope with the climate change to which it is likely to be confronted.  ...  (being a Sahelian zone) of Cameroon in 2013 and 2016.  ... 
doi:10.13189/eer.2018.060302 fatcat:l7f2mjbkw5bcncibqtrm7dstx4

Climate and Causation in African History

James C. McCann
1999 International Journal of African Historical Studies  
His approach emphasizes the fluidity of these ecological economies' movement over time that underlay Sahelian political empires and the actions of local human social actors.  ...  The mediation of seasonal income and daily needs entails a whole system of culturally and socially buttressed practices. 40 This approach suggests less environmental determinism than a need for more  ...  a far thicker context of social, cognitive, and economic history in which we can understand human agency and engagements with the natural world, including climate.  ... 
doi:10.2307/220342 fatcat:wekbp3wtura4hhprvmy2j3dmby

Temporal Heterogeneity in the Study of African Land Use

Jane I. Guyer, Eric F. Lambin, Lisa Cliggett, Peter Walker, Kojo Amanor, Thomas Bassett, Elizabeth Colson, Rod Hay, Katherine Homewood, Olga Linares, Opoku Pabi, Pauline Peters (+3 others)
2007 Human Ecology (New York, N.Y.)  
We identify several temporal processes in all the cases, each operating on its own temporal frame: population growth and, above all, mobility; livelihood change through crop and occupational change; tenure  ...  All seven teams' work and the Hum Ecol collective discussion-on Casamance (Senegal), Brong Ahafo (Ghana), Southern Niger/Northern Cote d'Ivoire, Oyo State (Nigeria), Maasai Mara (Kenya and Tanzania), Gwembe  ...  A conference on African Farmers and their Environment in Long Term Perspective at the Wageningen Agricultural University, The Netherlands, in 1995, was funded by the National Science Foundation International  ... 
doi:10.1007/s10745-006-9085-2 fatcat:v5tjyu67s5dnnadlogk3ixxbza

Agroecologically efficient agricultural systems for smallholder farmers: contributions to food sovereignty

Miguel A. Altieri, Fernando R. Funes-Monzote, Paulo Petersen
2011 Agronomy for Sustainable Development  
based production systems to gain much attention in the developing world in the last two decades.  ...  New approaches and technologies involving application of blended modern agricultural science and indigenous knowledge systems and spearheaded by thousands of farmers, NGOs, and some government and academic  ...  Based on the data collected in the study, an estimate was made on the positive impacts of a hypothetical public program supporting agroecological transition in the region.  ... 
doi:10.1007/s13593-011-0065-6 fatcat:7tmribpgwjhwdnvm57gszqxq4i

Stakeholder engagement and biodiversity conservation challenges in social-ecological systems: some insights from biosphere reserves in western Africa and France

Meriem Bouamrane, Marja Spierenburg, Arun Agrawal, Amadou Boureima, Marie-Christine Cormier-Salem, Michel Etienne, Christophe Le Page, Harold Levrel, Raphael Mathevet
2016 Ecology and Society  
Dialogue among the different stakeholders must start at an early planning phase and be based on the principle of social and ecological solidarity.  ...  Biosphere reserves are an example of social-ecological systems that combine biodiversity conservation and socioeconomic development with knowledge generation and dissemination (both scientific and local  ...  Acknowledgments: This collective article was written in tribute to Robert Barbault and Jacques Weber and is dedicated to both of them.  ... 
doi:10.5751/es-08812-210425 fatcat:baaflkhuhnbpxhbqmya3yoeplm
« Previous Showing results 1 — 15 out of 272 results