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Portail d'information géographique

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Par Collection Par Auteur Par Date Par Sujet Par Titre
  • An investigation of forest microclimate : the Pasoh Forest Reserve, Negeri Sembilan, Malaysia
  • 1990
  • The AA. studied four villages in Dhading district (Nepal) to assess the attitudes of local people toward Hattisunde forest. The key to collective management is seen as mutual trust. Women have played an important role in forest protection. - (DWG)
  • 1990
  • Hillside farming, soil erosion, and forest conversion in two southeast Asian national parks
  • 1990
  • Local decision-making is seen as increasingly critical to resource conservation in the Third World. This study of two systems for forest protection and landslide control on private lands in Gorkha District points out the problems that must
  • 1990
  • and the promotion of tropical forests. Contents of nutrient elements in soils and in the plant samples are analyzed and determined by atomic absorption spectrophotometry.
  • 1990
  • The village of Chimkhola (elev. 1 750 m) has a collectively organized subsistence system base on growing grains and potatoes, collecting wood and foliage from forests, and pasturing livestock. As a result of increased pressures on the resource base
  • 1990
  • Studies of the aftermath of the dense monsoon rainfall recorded in October 1968 when 25 percent of the cultivated land was transformed by mass movements as opposed to only 2 percent of the forested areas. Detailed investigations were carried out
  • 1990
  • In the cold stages of the Quaternary, steppe vegetation was dominant over eastern China as a consequence of longterm aridity. In the South China floral region, subtropical coniferous forests extended widely over plains and hills. Many relic taxa
  • 1990