Status and trends of the nation's biological resources

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Bibliographic Details
Main Authors: Opler, P.A. (ed.), U.S. Geological Survey, Washington, DC (USA) eng
Format: Texto biblioteca
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Published: Washington, DC (USA) U.S. Dept. of the Interior/U.S. Geological Survey 1998
Subjects:NATURAL RESOURCES, ENVIRONMENTAL IMPACT, ENVIRONMENTAL POLICIES, RESSOURCE NATURELLE, RECURSOS NATURALES, IMPACT SUR L'ENVIRONNEMENT, POLITIQUE DE L'ENVIRONNEMENT, IMPACTO AMBIENTAL, POLITICA AMBIENTAL,
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