Résultats de la recherche | Land Portal
  1. Journal Articles & Books
  2. 2003
  3. Résultats de la recherche
Résultats de la recherche

Résultats de la recherche

Showing items 1 through 9 of 380.
  2. Library Resource

    2020 Vision Focus 12 - Building on successes in African agriculture

    Articles et Livres
    janvier, 2004
    Afrique, Kenya, Mali
    droit de propriété
    pêches
    parcours
    gestion des ressources naturelles

    Agricultural growth will prove essential for improving the welfare of the vast majority of Africa’s poor. Roughly 80 percent of the continent’s poor live in rural areas, and even those who do not will depend heavily on increasing agricultural productivity to lift them out of poverty. Seventy percent of all Africans— and nearly 90 percent of the poor—work primarily in agriculture. As consumers, all of Africa’s poor—both urban and rural—count heavily on the efficiency of the continent’s farmers.

  4. Library Resource

    A hierarchical method for soil erosion assessment and spatial risk modelling: a case study of Kiambu district in Kenya.

    Articles et Livres
    décembre, 2003
    Éthiopie, Afrique, Afrique orientale
    gestion des eaux
    terre

    Though a lot has been done and achieved in erosion research and control in Kenya, most of the erosion research methods have in the past put emphasis more on quantifying soil loss or measuring soil erosion, rather than pinpointing to areas that are likely to suffer soil erosion. In most cases the erosion processes have been assumed to occur in a uniform manner at all levels of the landscape hierarchy, and hence the results of one level observation can be factored to cover other levels for which data was not collected.

  8. Library Resource

    A Remote Sensing Approach for Detecting Agricultural Encroachment on the Eastern Mediterranean Coastal Dunes of Turkey

    Articles et Livres
    mars, 2003
    Turquie

    The aim of this study was to develop an effective procedure for detecting land use/land cover (LU/LC) changes resulting from agricultural encroachment on eastern Mediterranean coastal dunes by using remote-sensing techniques. Historic LU/LC information was extracted from aerial photos taken in 1976 and IKONOS imagery was acquired in 2002 to determine the current LU/LC pattern. The remotely sensed aerial and satellite data were classified by integrating spectral information with measures of texture, in the form of statistics derived from the variance, co-occurrence matrix and variogram.

  10. Library Resource

    A Theory of Access

    Articles et Livres
    décembre, 2003
    Global
    titre foncier
    immatriculation des terres

    The term "access" is frequently used by property and natural resource analysts without adequate definition. In this paper we develop a concept of access and examine a broad set of factors that differentiate access from property. We define access as "the ability to derive benefits from things," broadening from property's classical definition as "the right to benefit from things." Access, following this definition, is more akin to "a bundle of powers" than to property's notion of a "bundle of rights".

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