31 resultados para river ecology

em University of Michigan


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This report is part of a series of reports on areas of Illinois where a public-private partnership has been formed to protect natural resources. The reports provide information on the natural and human resources of the areas as a basis for managing and improving their ecosystems. The determination of resource rich areas and development of ecosystem-based information and management programs in Illinois are the result of three processes-- the Critical Trends Assessment Program, the Conservation Congress, and the Water Resources and Land Use Priorities Task Force.

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Prepared for Office, Chief of Engineers, U.S. Army, Washington, D.C.

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"A report on a minor problem in Taxonomy."

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"Critical Trends Assessment Program."--Cover.

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"Critical Trends Assessment Program."--Cover.

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"Critical Trends Assessment Progarm."--Cover.

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"Critical Trends Assessment Program."--Cover.