Résultats de la recherche | Land Portal

Résultats de la recherche

Showing items 1 through 9 of 4.
  1. Library Resource
    janvier, 1995
    Namibie, Afrique sub-saharienne

    Results from this study show that the over-used but under-researched association between grazing and land degradation in the Kalahari has been oversimplified. In typical Kalahari conditions, the ecological changes that have been brought about by grazing cannot be linked with more fundamental changes in ecosystem function. Basic soil processes appear relatively unaffected by grazing pressure outside the sacrifice zone, and there is no evidence to suggest that the resilience of the system has been affected through soil degradation.

  2. Library Resource
    janvier, 1995
    Israël, Asie occidentale, Afrique septentrionale

    Paper explores the relationships between the following concepts under the conditions of Middle Eastern semi-arid ecosystems. Paper states that there are two apparent contradictions in the title of this paper. First, grazing by domestic livestock is often considered to be hostile to nature conservation, especially in semi-arid areas (the ongoing conflict between ranchers and environmentalists in western USA is just one contemporary example of this).

  3. Library Resource
    janvier, 1994
    Afrique sub-saharienne

    This paper focuses on extracts from a recent comparative analysis of livestock and land use surveys across a range of agro-climatic conditions in sub-Saharan Africa, based on information from systematic low level aerial reconnaissance and complementary ground studies in Mali, Niger, Nigeria, Sudan and Tchad, between 1980 and 1993.

  4. Library Resource
    janvier, 1995

    Assessing the challenges facing the sheep herders in the Kyrgyz Republic, this paper concludes:for the first time in recent history the future of the sector may be in the hands of farmer/herders themselvesalthough there are many constraints in the production system, the government's attempts to promote decentralisation (e.g.

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