Une analyse de l'état des plantations forestières ainsi que des tendances actuelles du secteur forestier aux niveaux mondial et régional. Le rapport traite des mesures à tenir en compte en ce qui concerne le développement des plantations forestières. Par ailleurs, la perspective des plantations forestières est présentée sous la forme de différents scénarios qui se basent sur la future croissance
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Library ResourceJournal Articles & BooksDecember, 1999Angola, France, Bangladesh, Rwanda, Zimbabwe, Sri Lanka, Venezuela, Eswatini, Canada, Ukraine, Sierra Leone, Pakistan, Uruguay, Panama, Kenya, Costa Rica, Philippines, Madagascar, Laos, Myanmar, Portugal, Cuba
Library ResourceJournal Articles & BooksDecember, 1996Tanzania, Kenya, Ecuador, Sweden, Cameroon, Thailand, Italy
Library ResourceJournal Articles & BooksDecember, 1991France, Zambia, Afghanistan, Zimbabwe, Australia, Greece, Guinea, Ethiopia, Pakistan, Colombia, Panama, Kenya, Jordan, Philippines, Libya, Italy, Botswana, Netherlands, Argentina, Sudan, Europe, Asia, Africa, Northern America
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.
Library ResourceJournal Articles & BooksDecember, 1998Honduras, Belize, Chile, Germany, Peru, Guatemala, Jamaica, Bolivia, Canada, Venezuela, Costa Rica, Colombia, Panama, Kenya, Ecuador, Argentina, Bahamas, Mexico, Cuba
Library ResourceJournal Articles & BooksDecember, 1998Burkina Faso, Benin, Honduras, Mauritania, Gambia, Mali, Australia, Guinea, Niger, Cameroon, New Zealand, Kenya, South Africa, Madagascar, Italy, Botswana, Eritrea, Senegal, Chad, Mexico
Library ResourceJournal Articles & BooksDecember, 1998Honduras, United States of America, Belize, Germany, Peru, Guatemala, Bolivia, Canada, Venezuela, Costa Rica, Colombia, Panama, Kenya, Italy, Bahamas, Mexico, Brazil, Cuba
Library ResourceJournal Articles & BooksDecember, 1984Kenya, France, Nigeria, Philippines, Micronesia, Australia, Ghana, Congo, Guinea, India, Sierra Leone, Ethiopia, Niger, Brazil
Shifting cultivation, under its diverse forms of slash and burn system, is a traditional method of cultivating tropical upland soils, mostly for subsistence purposes. This traditional system of cultivation is in ecological balance with the environment and does not irreversibly degrade the soil resource, provided a sufficient length of fallow is allowed for soil restoration. However, increasing population pressures necessitate more intensive use of land. The consequence is extended cropping periods and shortened fallows.
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