Revisa la magnitud de la deforestación, delineando las características principales de los ecosistemas de la Región Amazónica, en especial la brasilera, para examinar el impacto ambiental del uso de la tierra. Analiza principalmente los factores que afectan la estabilidad agrícola.
Realiza una revisión crítica de las teorías tradicionales de marginalidad urbana y del tratamiento que hacen de las dimensiones ecológicas del fenómeno. Analiza el impacto de las diferentes formas de integración desigual en las áreas precarias y la intervención planificada en asentamientos precarios. Presenta una pauta de orientaciones metodológicas para los estudios de casos.
Households' Livestock Management in Relation to Population Movements and Land Use Practices among the Rendile
This paper focuses on the deteriorating food situation in Africa which led to the Freetown Declaration of the FAO Regional Conference of Ministers of Agriculture in 1976, the Regional Food Plan (AFPLAN) was drawn up jointly by FAO and ECA and adopted by the FAO Regional Conference of Ministers of Agriculture in Arusha in 1973.
Revista internacional de silvicultura e industrias forestales
This course teaches the farmer about the water cycle. It covers rainfall, ground water, the water table, surface water, evaporation, and transpiration. It also delivers information on wells and springs, swamps, ponds, lakes, streams and rivers. It explains how water is necessary for life.
An international journal of forestry and forest industries
This manual is designed to give detailed, practical advice on the various methodologies of organic recycling. Blue-green algae form a self-sufficient system which is capable of fixing atmospheric nitrogen in organic forms and which grows upon a free water surface. It is thus ideally suited for propagation in rice fields. The development and use of blue-green algae require special techniques. The manual summarizes the present status of algal biofertilizer technology for rice with practical information for its adoption by agricultural extension personnel and subject matter specialists.
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