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Resultados de la búsqueda

Mostrando ítems 1 a 9 de 24.
  1. Library Resource
    Artículos de revistas y libros
    Diciembre, 2010
    Etiopía

    Land degradation is a major problem in almost all the countries. In most of the developing countries, population pressure and small farm sizes, land tenure insecurity, land redistribution, limited access to credits and limited education are the factors leading to unsustainable land management. In Ethiopia, among many factors, tenure insecurity is considered as a main problem for land degradation. The frequent land redistribution and the changing pattern of land ownership with the change in Government made the farmers insecure of their land resulting in not making land related investments.

  2. Library Resource
    Artículos de revistas y libros
    Diciembre, 2006
    Etiopía

    Empirical investigation of the impact of institutional and socioeconomic factors on agricultural productivity and natural resource conditions is important for an informed evaluation of current policies, and to identify areas for future improvements. In this line, the current study addresses three topics of relevance to the process of agricultural intensification and natural resource management in the context of the less-favoured Highlands of Tigray, Ethiopia.

  3. Library Resource
    Artículos de revistas y libros
    Diciembre, 2003
    Etiopía

    Being one of the oldest civilisations in the world, Ethiopia has an agricultural tradition that is over 2,500 years old. However the land has brought into cultivation at different times in history. Generally the Northern part of the country has experienced intensive agriculture for a long time, whereas the southwestern highlands, which show relatively less soil degradation were brought into agriculture in the last couple of centuries.

  4. Library Resource
    Artículos de revistas y libros
    Diciembre, 2006
    Etiopía

    About 88% of the population is concentrated in the highlands, which constitute less than half of the national territory; here the population density is 141 persons km-2. Agriculture is the main source of livelihood and national income in the country. Over 85% of the population directly depends on it and about half of the GDP is generated from the sector. However, agriculture is small-scale and subsistence oriented, and it is in a very low state of development.

  5. Library Resource
    Informes e investigaciones
    Diciembre, 1994
    Tanzania

    This report presents an analysis of the nature of both indigenous and professionally sponsored community forest management systems in two districts in Tanzania. It describes various types of internally generated forest and tree management systems. It demonstrates that a gap exists between indigenous and externally sponsored management systems. In the externally sponsored projects, the concept of participation implies that rural people should participate in professionals' projects, rather than that professionals should participate in the livelihood projects of rural people.

  6. Library Resource
    Informes e investigaciones
    Diciembre, 2012
    África subsahariana

    The demand for agricultural products (food, feed, fibre, and biomass for other purposes) produced in Sub-Saharan Africa (SSA) will increase for the coming decades. In addition, the global climate change will largely impact on the agricultural sector in Sub-Saharan Africa. Major challenges for the agricultural sector in SSA are that agricultural production systems depend on resources that are for a large part non-renewable, and that the current agricultural practices in SSA are major contributors to environmental degradation.

  7. Library Resource
    Informes e investigaciones
    Diciembre, 2014
    Sudáfrica, África austral

    Herstel en duurzaam beheer van biodiversiteit en ecosysteemdiensten worden steeds meer geïntegreerd in nationaal en internationaal beleid. In dit proefschrift wordt een methodologie ontwikkeld voor de kwantificering van effecten van landmanagement op de ruimtelijke verspreiding van ecosysteemdiensten, zodat de door landmanagement veroorzaakte trade-offs tussen ecosysteemdiensten bepaald kunnen worden voor zowel lokale ecosystemen en landschappen als regionale en mondiale biomen. Een groot aantal ecosysteemdiensten zijn bestudeerd.

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