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Mostrando ítems 1 a 9 de 995.
  1. Library Resource
    Documentos de conferencias e informes
    Noviembre, 2004
    África

    This paper focuses on the report of the ad-hoc expert group meeting on science and technology issues for sustainable development: principles, methodology and strategy for promoting the African revolution.

  2. Library Resource
    Informes e investigaciones
    Diciembre, 2004
    África

    This report is the first in a series of research studies that the Economic Commission for Africa (ECA) will produce with a view to improving the understanding of the links between land tenure systems and sustainable development in Africa. In a continent where 80 percent of the population relies on agriculture for their livelihood, the formulation and implementation of appropriate land policies is a paramount factor in poverty reduction strategies. Research is therefore needed to help policymakers take learned decisions when addressing land tenure issues.

  3. Library Resource
    Artículos de revistas y libros
    Diciembre, 2004
    Kenya, África oriental, África

    Parasitic nematodes, especially
    Haemonchus contortus,
    are among the most common and
    economically important causes of infectious
    diseases of sheep and goats owned by
    pastoralists and small holder farm
    ers in East Africa. In Kenya, control of these infections
    mainly relies on the use of anthelmintic dr
    ugs. However, ethnoveteri
    nary medicine (EVM)
    preparations are widely used by pastoralists
    and small holder farmers (SHF) for treatment
    of their livestock agains

  4. Library Resource

    2004 Report

    Documentos de conferencias e informes
    Junio, 2004
    Sudáfrica

    This is the first report to be issued by the SACN on the ‘State of South African Cities’. The report takes a hard look at the forces that have transformed the country’s largest cities over the decade since 1994 and asks, if the current trends continue, whether cities can expect positive or negative things in the years to come. As part of the process of celebrating 10 years of democracy, the Office of the President has led a ‘Ten Year Review’ to assess what has been achieved over the last decade, and to define the strategic challenges for the future.

  5. Library Resource
    Artículos de revistas y libros
    Agosto, 2004

    A field study on dairy cattle farms development in low land was conducted in Cirebon district applying a survey method to record all existing dairy cattle farms in the region. Data were collected by interviewing dairy farmers and monitoring the dairy cattle farms. Descriptive approach was applied in data analysis. Constraints would accur, if problems of relatively warm environment in such low land area could not be overcome. Improvements that could be recommended include : an appropriate tropical housing, energy rich feeding and more frequent feeding.

  6. Library Resource
    Artículos de revistas y libros
    Diciembre, 2004
    Brasil

    The vegetation cover plays a key role in protection and conservation of natural resources, particularly concerning soils. This study had as objective to analyze space and time dimensions of anthropic influence on the vegetation cover in part of the semi-arid region of the Ceará State, Brazil. LANDSAT TM-5 satellite images of 1985 and 1994 combined with geoprocessing techniques were used to verify the hypothesis of intensification of environmental degradation. Maps of the vegetation cover, land use, soils, and hydrography were elaborated.

  7. Library Resource
    Documentos de política y resúmenes
    Diciembre, 2004
    Costa Rica

    We summarize existing theoretical claims linking poverty to rates of deforestation and then examine this linkage empirically for Costa Rica during the 20th century using an econometric approach that addresses the irreversibilities in deforestation. Our data facilitate an empirical analysis of the implications for deforestation of where the poor live. Without controlling for this, impacts of poverty per se are confounded by richer areas being different from the areas inhabited by the poor, who we expect to find on more marginal lands, for instance less profitable lands.

  8. Library Resource
    Documentos de política y resúmenes
    Diciembre, 2004
    Costa Rica

    We review claims about the potential for carbon markets that link both payments for carbon services and poverty levels to ongoing rates of tropical deforestation. We then examine these effects empirically for Costa Rica during the 20th century using an econometric approach that addresses the irreversibilities in deforestation. We find significant effects of the relative returns to forest on deforestation rates. Thus, carbon payments would induce conservation and also carbon sequestration, and if land users were poor could conserve forest while addressing rural poverty.

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