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Resultados de la búsqueda

Resultados de la búsqueda

Mostrando ítems 1 a 9 de 17.
  1. Library Resource

    Drought tolerant species dominate as rainfall and tree cover returns in the West African Sahel

    Land Use Policy Volume 59

    Publicación revisada por pares
    Diciembre, 2016
    Burkina Faso, República Centroafricana, Camerún, Argelia, Eritrea, Etiopía, Malí, Mauritania, Níger, Nigeria, Sudán, Senegal, Sudán del Sur, Chad
    Tierra, Cambio Climático y Medio Ambiente
    Utilización de la tierra
    Investigación

    After the severe droughts in the 1970s and 1980s, and subsequent debates about desertification, analyses of satellite images reveal that the West African Sahel has become greener again. In this paper we report a study on changes in tree cover and tree species composition in three village landscapes in northern Burkina Faso, based on a combination of methods: tree density change detection using aerial photos and satellite images, a tree species inventory including size class distribution analysis, and interviews with local farmers about woody vegetation changes.

  3. Library Resource

    Nutrient flow modelling for assessing the resource criticality of heterogeneous agricultural systems: A case study in Southwestern Burkina Faso

    Materiales institucionales y promocionales
    Noviembre, 2019
    Burkina Faso, África occidental
    Tierras
    Investigación

    Despite the many advantages of sustainable intensification (SI), the level of adoption of SI practices in African smallholding farms is still very low, posing the need for adequate methods for monitoring farm sustainability. Macronutrient flows and balance in agricultural systems are important for assessing the system sustainability as they indicate what supply risks an agricultural system runs, how resilient the system is to these risks, and what environmental impacts arise from the use of that essential resource.

  4. Library Resource

    Multi-agent system for integrating ecological processes at multiple scales with human decision-making: Solutions and lessons learned from a modelling framework applied in different landscape ecosystems

    Materiales institucionales y promocionales
    Octubre, 2019
    Burkina Faso, China, Etiopía, Indonesia, Viet Nam, África occidental, África oriental, Asia oriental, Asia sudoriental
    Tierras
    Investigación

    Modelling socio-ecological systems, in which social and ecological systems interact each other and co-evolve, are useful for supporting decisions in managing landscape ecosystems. Inter-linking socially interactive decision-making to relevant ecological processes faces a great challenge due to at least two reasons: (1) the inherent mismatches in the spatial and temporal scales the considered processes operate, (2) differences in relevant methods for modelling the processes and (3) different data availabilities for the processes.

  7. Library Resource

    Intra-Household Dynamics and the Design of Social Protection Programs

    The Case of Polygamous Households in North Burkina Faso

    Informes e investigaciones
    Documentos de política y resúmenes
    Marzo, 2016
    Burkina Faso, África
    Tierra y Género
    Tierras
    Mujeres
    Investigación

    A recent overview of World Bank social safety net programs and gender highlighted the need for greater consideration of intra-household dynamics in the design of social protection programs (Bardasi 2014). During program design, decisions have to be made about who to target, how much and how often to give cash transfers, and what measures should accompany cash transfers. These decisions become even more complex in the context of polygamous households. The conclusions above are meant to illustrate important links between intra-household dynamics and the design of cash transfer programs.

  8. Library Resource

    Patterns of Tree Distribution within Small Communities of the Sudanian Savanna-Sahel

    Publicación revisada por pares
    Diciembre, 2014
    Argelia, Sudán, Burkina Faso, Nigeria, Mauritania, Chad, Malí, Camerún, Senegal, República Centroafricana, Sudán del Sur, Etiopía, Níger, Eritrea, África
    Tenencia Urbana
    Tenencia de Bosques
    comunidad local
    Investigación
    arboricultura urbana

    Crown diameter and tree density were measured in 52 communities in the Sudan-Sahel using satellite imagery to determine the relationships between rainfall and distance from community center to crown size diameter and tree density. As distance from the community center increased, tree density and crown diameter decreased. As rainfall increased, tree density decreased while crown diameter increased. Distance from the community center is a proxy for age since urbanization and our results indicate that older parts of communities show longer and more consistent tree management.

  9. Library Resource

    NWFP: a regional expert consultation for english-speaking African countries

    Informes e investigaciones
    Diciembre, 1994
    Burkina Faso, Nigeria, Zambia, Zimbabwe, China, Esuatini, Ghana, Malawi, Tailandia, Kenya, Sudáfrica, Lesotho, Uganda, Italia, Tanzania, Sudán, Brasil
    Tierra e Inversiones
    Valoración de tierras
    Investigación

    Meeting symbol/code: CSC(94)AGR-21

  10. Library Resource

    Know to Move, Move to Know

    Artículos de revistas y libros
    Diciembre, 2003
    Burkina Faso, Benin, Nigeria, Suecia, Alemania, Italia, Chad, Sudán, Níger, Camerún, África
    Pastizales, Tierras secas y Pastoreo
    Pastoralistas
    Investigación

    FAO’s goal is to alleviate poverty and hunger by promoting sustainable agricultural development, improved nutrition and food security, and ensuring that everyone has access at all times to the food they need for an active and healthy life. The importance of biological diversity for food security and sustainable agriculture has long been recognized by FAO; the Organization is working daily to promote its conservation and sustainable use in the contex of agriculture.

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