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Showing items 1 through 9 of 19.-
Library ResourceJournal Articles & BooksDecember, 1993Canada, United States of America, Italy
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Library ResourceJournal Articles & BooksDecember, 1993Italy
This issue of Unasylva focuses on the recently completed FAO assessment of forest resources at a global level, with 1990 taken as the reference year (a similar assessment was undertaken a decade ago). The articles presented in this issue consider the data generated in the assessment as well as some of the difficult underlying questions inherent in forest resource assessment.
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Library ResourceJournal Articles & BooksDecember, 1993Brazil, Italy
The main objectives of the present assessment were: (i) to provide reliable and globally consistent information on the state of the tropical forests by 1990 and the rates of change during 1981 to 1990 and (ii) to undertake studies on the process of deforestation and forest degradation and their environmental implications.
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Library ResourceJournal Articles & BooksDecember, 1993Italy
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Library ResourceReports & ResearchDecember, 1993Italy
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Library ResourceJournal Articles & BooksDecember, 1993Qatar, France, Bangladesh, Nigeria, Luxembourg, Iraq, El Salvador, Afghanistan, Zimbabwe, Sri Lanka, Vanuatu, Canada, Congo, Uruguay, Mozambique, Laos, Yemen, Philippines, Oman, Myanmar, Portugal, Paraguay, Ghana, Europe, Africa, Northern America, Asia
Dans de nombreuses régions du monde, les ressources en eau de plus en plus limitées et la mauvaise utilisation de l’eau douce mettent en péril le développement durable. Plus des deux tiers de l’eau prélevée dans les fleuves, lacs et nappes aquifères étant utilisés pour l’irrigation, l’agriculture est de plus en plus considérée comme la soupape de sécurité du système.
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Library ResourceJournal Articles & BooksDecember, 1993India, Senegal, Kyrgyzstan, Burundi, China, Italy
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Library ResourceJournal Articles & BooksDecember, 1993France, United States of America, Spain, Germany, China, Indonesia, Cuba, Thailand, Laos, Philippines, Singapore, Vietnam, Japan, Italy, Portugal, Netherlands, India, Brazil, Cambodia
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Library ResourceJournal Articles & BooksDecember, 1993Finland, Nicaragua, Chile, Mexico, Italy
Over the past two decades, perspectives on the role of the forest for society have evolved and broadened dramatically; the relatively narrow official view of the forest as primarily a source of wood and a form of protection for upland water resources has been seriously questioned and sometimes even violently opposed in favour of an approach that reflects a wider range of present and future opportunities and demands from forests and forest resources.
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Library ResourceJournal Articles & BooksDecember, 1993India, Chile, Mexico, Italy
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