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Biodiversity: Threats and Protective Measures
Fathom
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| J. David Allan |
 J. David Allan is professor of conservation biology and ecosystem management in the School of Natural Resources and the Environment at the University of Michigan. Allan's teaching and research focuses on the influence of human alteration of the landscape on the health and status of river ecosystems. Current research includes geographic pattern of stream flow variability and its influence on fish communities in the Great Lakes basin; and the land-water linkages that influence stream ecosystem function in human-altered drainage basins of southeastern Michigan. He is the author of several books, including Streams: Their Ecology and Life (with C.E. Cushing), and Stream Ecology.
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| Fathom |
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Fathom is the leading source for online learning. The company's website (www.fathom.com) offers unprecedented opportunities for professional development and lifelong learning through authenticated online education opportunities. Online courses and free seminars together with lectures, interviews, articles and exhibits are available through Fathom, as well as books and other products. Authoritative reference content spans all disciplines and fields of study. Fathom is an international consortium of leading universities, cultural institutions, and disseminators of research, which oversees Fathom's development, policies, and educational objectives.
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