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Resultados de la búsqueda

Mostrando ítems 1 a 9 de 24.
  1. Library Resource
    Artículos de revistas y libros
    Diciembre, 2009
    Argelia, Sudán, Burkina Faso, Nigeria, Mauritania, Chad, Malí, Camerún, Senegal, República Centroafricana, Sudán del Sur, Etiopía, Níger, Eritrea
  2. Library Resource
    Artículos de revistas y libros
    Diciembre, 2010
    Argelia, Burkina Faso, Nigeria, Mauritania, Malí, Senegal, Etiopía, Níger, Uruguay, Eritrea, Camerún, Chad, República Centroafricana, Sudán del Sur, Sudán, Brasil, África, América del Sur

    For over a decade, the globalisation of environmental, economic and social issues has induced rapid modification in agriculture and land. These changes raise the question of future extensive livestock systems in regards to the worldwide challenge to double livestock production by 2050 in ways which are safe for the environment. In order to better understand and follow modification processes, a comparative study of livestock systems and land dynamics has been carried out on seven case studies on three continents through the use of a common grid.

  3. Library Resource
    Artículos de revistas y libros
    Junio, 2015
    Argelia, Sudán, Burkina Faso, Nigeria, Mauritania, Chad, Malí, Camerún, Senegal, República Centroafricana, Sudán del Sur, Etiopía, Níger, Eritrea
  4. Library Resource
    Artículos de revistas y libros
    Diciembre, 2008
    Burkina Faso

    Empirical modelisation of socio-economic determinants in smallholder farming management in southwest of Burkina Faso. The study aims at identifying farmer’s decision rules and the socio-economic determinants of organic resource dynamics. Decision rules study and socio-economic determinants of organic resource dynamics allowed quantification of their impact on these organic resource dynamics. The main results of the investigations reveal that principal decision rules are edicted and managed by local authorities.

  5. Library Resource
    Artículos de revistas y libros
    Diciembre, 2010
    Argelia, Francia, Nigeria, Mauritania, Malí, Burkina Faso, Senegal, Etiopía, Níger, Eritrea, Sudán, Camerún, República Centroafricana, Sudán del Sur, Chad, Europa, África, América central, América del Sur

    We propose a flexible and adaptable framework to assist the quick design of models dealing with the durability of the extensive livestock systems at the territorial scale. This metamodel results from the collaborative design starting from MAS developed on 7 sites in Latin America, France and Senegal. It is composed of four packages: Agent, Community, Space and Vegetation-Herd. We illustrate these packages with examples extracted from the various models. The role of this tool is discussed in order to show its advantages and its limits

  6. Library Resource
    Artículos de revistas y libros
    Diciembre, 2010
    Argelia, Francia, Nigeria, Mauritania, Malí, Burkina Faso, Senegal, Etiopía, Níger, Eritrea, Sudán, Camerún, República Centroafricana, Sudán del Sur, Chad, Europa, África, América central, América del Sur

    We propose a flexible and adaptable framework to assist the quick design of models dealing with the durability of the extensive livestock systems at the territorial scale. This metamodel results from the collaborative design starting from MAS developed on 7 sites in Latin America, France and Senegal. It is composed of four packages: Agent, Community, Space and Vegetation-Herd. We illustrate these packages with examples extracted from the various models. The role of this tool is discussed in order to show its advantages and its limits

  7. Library Resource
    Artículos de revistas y libros
    Diciembre, 2008
    Argelia, Sudán, Burkina Faso, Nigeria, Mauritania, Malí, Indonesia, Senegal, Etiopía, Níger, Eritrea, Malasia, Camerún, Tanzania, Brunei Darussalam, República Centroafricana, Sudán del Sur, Chad, Viet Nam, África subsahariana

    Land use change has become increasingly acknowledged as an important issue in terms of understanding the processes of global change. Hence, land use decision-making by smallholder communities in developing countries become a vital part of the broader comprehension of environmental and social change that are related to the change processes at the global scale. A wide range of analytical and conceptual frameworks has been developed to facilitate and sharpen such analyses, ranging from very theoretical to directly operational approaches.

  8. Library Resource
    Artículos de revistas y libros
    Diciembre, 2006
    Argelia, Sudán, Burkina Faso, Nigeria, Mauritania, Chad, Malí, Camerún, Senegal, República Centroafricana, Sudán del Sur, Etiopía, Níger, Eritrea

    Trees in the Agrarian Systems of the Sahelian Zone of Niger: Management Practices, Benefits and Constraints. In the Sahelian regions, tree is an integrated part of the farming systems. The present study concerns the tree management practices, their benefits and constraints. A survey was conducted in 7 village sites of the southwestern part of Niger according to a southnorth aridity gradient in order to understand how rural people manage trees in their farms. The objective was to analyse the systems, tree management practices, benefits and constraints.

  9. Library Resource
    Documentos de política y resúmenes
    Diciembre, 2010
    Burkina Faso

    The cotton boom in Burkina Faso consisted of a growth in cotton land shares together with an overall increase intotal cultivated land. This paper examines the impact of institutional changes in the cotton sector on theevolution of smallholders’ land-use decisions. The empirical analysis is supported by a structural model thattakes into account the specific institutional features of the Burkinabè cotton sector and builds upon household leveldata collected in rural Burkina Faso.

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