'Stream ecosystems' diaporamas de présentation

Lori Sprague Robert Zuellig Hydrologist Ecologist U.S. Geological Survey Denver, CO

Physical, chemical, and biological characteristics of streams in urbanizing areas near Denver, Colorado. Lori Sprague Robert Zuellig Hydrologist Ecologist U.S. Geological Survey Denver, CO May 2006. U.S. Department of the Interior U.S. Geological Survey. Study Objectives.

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9.2 Lake Ecosystem

9.2 Lake Ecosystem. Can be formed from many natural forces Tectonic activity, v olcanic activity, glaciers, flowing water, meteorites, and human activity Largest and deepest are formed by tectonic activity or major glacial processes Lake Zonation

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Presented at: Advisory Committee Water Information, Feb. 2008 Herndon, VA

231 views • 10 slides