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No Thumbnail AvailableDocumentNon-thematic issue 1999This issue of Unasylva contains, as promised in the previous edition, additional articles on sustainable mountain development. These articles help to complete the focus on the topic and should also help to promote interest in the recently declared International Year of the Mountain (2000) for which FAO has been designated lead agency status within the United Nations system.
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Document2002 International Year of Mountains 2002Statements from FAO's Director-General and the King of Nepal, profiles of mountain issues and activities from countries such as Bolivia, Italy, Kyrgyzstan and Peru, and information on mountain forests, tropical cloud forests and sacred mountains complete Unasylva's foray into the mountains.
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No Thumbnail AvailableDocumentArid zone forestry 1992In the late 1970s end early 1980s, forestry in arid zones tended to concentrate on the establishment of large-scale plantations of exotic species, aimed exclusively at timber or fuelwood production. To do this, large areas of the "useless brush" on which local people depended for fuel, food and fodder have been cleared. In the development of agricultural schemes or irrigation projects, natural tree formations have often been eliminated, leading to increased erosion and subsequent losses in produ ctivity and shortened life spans of reservoirs. However, although the overall trend is still unsatisfactory, there is growing evidence of a change in thinking on the part of foresters and land-use managers concerned with arid zones. This issue of Unasylva evidences this change in perspective as well as the positive results that may be obtained as a consequence.
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