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Résultats de la recherche

Showing items 1 through 9 of 7.
  1. Library Resource
    Articles et Livres
    décembre, 1991
    Népal, France, Bolivie, Soudan, Thaïlande, Italie

    To produce the desired results, therefore, watershed management efforts must incorporate "forest hydrology", "soil and water conservation" and "land use planning" into a broader, logical framework that takes into consideration not only physical interrelationships but economic, social and institutional factors as well. In this issue, Unasylva examines several facets of watershed management.

  2. Library Resource
    Articles et Livres
    décembre, 1991
    Indonésie, Vanuatu, France, Italie, Europe

    Throughout history, the forests have been valued for the multiplicity of products and benefits that they provide, both for subsistence and for trade: foods, medicines, spices, resins, gums, latexes, wildlife, fuelwood, and of course timber and other wood products. The literature is rich with examples of international trade in forest products, many dating back thousands of years. Significantly, in most cases the products sought by traders were resins, oils, spices, and much less frequently timber.

  3. Library Resource
    Articles et Livres
    décembre, 1991
    Congo, Italie

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  4. Library Resource
    Articles et Livres
    décembre, 1991
    France, Zambie, Afghanistan, Zimbabwe, Australie, Grèce, Guinée, Éthiopie, Pakistan, Colombie, Panama, Kenya, Jordanie, Philippines, Libye, Italie, Botswana, Pays-Bas, Argentine, Soudan, Europe, Asie, Afrique, Amérique septentrionale

    Extensive grazing is the predominant form of land use on at least a quarter of the world’s land surface, in which livestock are raised on food that comes mainly from rangelands. Extensive grazing differs from crop or forestry production, in which the produce remains in situ whilst growing. Evaluation for extensive grazing, unlike that for cropping or forestry, must take into account the production of both grazing forage, termed primary production, and the livestock that feed on this forage, termed secondary production.

  5. Library Resource
    Articles et Livres
    décembre, 1991
    Italie

    As in the past, the Unasylva issue immediately preceding the World Forestry Congress examines a number of the broad challenges facing forestry. In an interview, FAO Director General Edouard Saouma considers the world forestry situation and highlights the Organization's priorities for work in forestry over the coming decade. The cutting edge of FAO's forestry activities is exemplified in the assistance provided to member countries; M.K. Muthoo, Director of the FAO Forestry Operations Service, describes the recent evolution of the department's field programme. M.R.

  6. Library Resource
    Articles et Livres
    décembre, 1991
    Égypte, Bangladesh, Nigéria, Kenya, Israël, Chili, Pérou, Chine, Éthiopie, République de Corée, Niger, Thaïlande, Népal, Maroc, Philippines, Somalie, Italie, République-Unie de Tanzanie, Inde, Soudan, Brésil
  7. Library Resource
    Articles et Livres
    décembre, 1991
    Suède, Cuba, Italie

    To anyone who is genuinely concerned for the future of both the world's forests and the populations who depend either directly or indirectly - on the use of these forests for their livelihood, it should be apparent that, rather than being a force for the destruction of forest resources, forest industry is and must continue to be an essential element in the process of valorizing these resources and thereby ensuring the socio-economic base for sustainable development.

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