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Resultados de la búsqueda

Mostrando ítems 1 a 9 de 54.
  1. Library Resource
    Documentos de conferencias e informes
    Diciembre, 1995
    África, África subsahariana

    The important position and role of mixed farming systems in land use intensification in subSaharan Africa is reviewed. This is done by examining the current situation that is followed with a justification for mixed farming. Further sections follow on changing patterns of land use, including the effects of tsetse flies and trypanosomiasis, and on constraints to further crop-livestock integration.

  2. Library Resource
    Documentos de conferencias e informes
    Diciembre, 1995

    This volume contains an executive summary of papers and the discussions on them as well as the reports of working groups and the recommendations of the Roundtable on Livestock Development strategies for Low Income Countries. In addition to the executive summary there is a Keynote paper and two other background papers, two papers on issues, constraints and opportunities for livestock development and five papers on options for increasing livestock's contribution from the major production systems.

  3. Library Resource
    Documentos de conferencias e informes
    Diciembre, 1995

    The impact of human endeavours on the environment in the struggle to eke out a living through crop and animal agriculture is examined in a holistic context. Analyses focus on all the sources of pressure that modify the vegetation cover of rural Africa, including the effects of fires and burning of biomass, fuel wood extraction and deforestation and land clearing.

  4. Library Resource
    Informes e investigaciones
    Diciembre, 1995
    Botswana, África

    This country report presents the concise structural statistical data on the agricultural holdings such as size of holding, land tenure, land use, crop area, irrigation, livestock numbers, labour and other agricultural inputs for the country.

  5. Library Resource
    Artículos de revistas y libros
    Diciembre, 1995
    India, Portugal, China

    Actualmente, casi 30 aos despus, la experiencia negativa de los gobiernos con la expropiacin de recursos de propiedad comn ha hecho que se vuelvan a examinar las posibilidades de una gestin colectiva, y ha permitido disponer de una creciente informacin sobre experimentos prcticos con respecto a la restauracin o al refuerzo de los sistemas de gestin de estos recursos. En este nmero de Unasylva se insiste en ambos aspectos en relacin a los recursos forestales.

  6. Library Resource
    Artículos de revistas y libros
    Diciembre, 1995
    Burkina Faso, Moldavia, Benin, Luxemburgo, Israel, Malí, Francia, Belarús, Djibouti, Canadá, Ucrania, Níger, Kenya, Liberia, Turkmenistán, Portugal, Senegal, Ghana
  7. Library Resource
    Artículos de revistas y libros
    Diciembre, 1995
    Portugal, China, India, Malí, Haití, Italia

    Now, nearly 30 years after the publication of The tragedy of the commons, the negative experiences of governments with expropriation of common property resources have led to a reexamination of the potential of collective management; and there is a growing database of information on practical experiments with the restoration or strengthening of common property resource management systems. This issue of Unasylva focuses on both these aspects with respect to forest resources.

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