A 31-page manual on biological studies in Iowa rivers, streams, and lakes.
This Web site offers a variety of self-paced training modules that represent a basic and broad introduction to the watershed management field.
This free, standards-based, online publication, developed for middle school science teachers, explores ecosystems. The ecosystem concept is rather complex, but students often find these interactions...
This document is intended to assist Federal agencies with analyzing cumulative effects during the NEPA process. It outlines general principles, common cumulative effects assessment methodologies, and...
Our Planet is a periodical magazine published by the United Nations Environment Programme. This issue is devoted to the economic importance of biodiversity and how protecting or restoring habitats...
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