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Showing items 1 through 9 of 7.
  1. Library Resource
    Reports & Research
    December, 1992
    Tunisia

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    Satellites provide the possibility to give a synoptical view of the earth surface at regular time intervals. Satellites operating in the optical wavelengths have however as disadvantage that monitoring of the surface characteristics becomes impossible as soon as clouds are present. Deserts and desert margins are for that reason much more appropriate for monitoring by optical satellites than temperate and wet tropical areas. Potential hazards, possibilities and often inaccessibility makes use of optical remote sensing very reasonable.

  2. Library Resource
    January, 1992
    Morocco, Northern Africa, Western Asia

    This paper reviews the process of agricultural policy reforms in Morocco in the 1980's, with particular emphasis on the cereals and sugar sub-sectors. Agricultural policy is reviewed in historical perspective, to show that the liberalisation process which was proposed in the framework of structural adjustment reforms ran contrary to the agricultural development strategy followed by Morocco since Independence. The macro-economic performance of Morocco is examined. It shows that the origin of the economic policy reforms can be found in the necessity to seek balance of payment ssupport.

  3. Library Resource
    January, 1993
    Syrian Arab Republic, Western Asia, Northern Africa

    This article looks at the changes which are taking place in the Syrian semi-nomadic bedouin flocks' feeding and migration patterns, and the historical reasons for these changes. Most of the discussion will focus on three steppe-based villages in northern Syria, where the International Center for Agricultural Research in Dry Areas (ICARDA) undertook a three-year survey between 1978 and 1981, and where a follow-up study was done this year.

  4. Library Resource
    Journal Articles & Books
    December, 1992
    Nepal, Bangladesh, Nigeria, Kenya, Zambia, Israel, Chile, Peru, China, Lesotho, India, Sudan, Republic of Korea, Niger
  5. Library Resource
    Journal Articles & Books
    December, 1992
    Sudan, Burkina Faso, Zimbabwe

    Los tcnicos forestales y los administradores de recursos naturales entendieron muy poco y mal los mltiples usos que los campesinos hicieron de las formaciones forestales en el curso de los milenios, ampliamente documentados en un artculo sobre las tcnicas de ordenacin de tierras arboladas aparecido en el nmero 160 de Unasylva.

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