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robert e zuellig
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Illustrated Guide to the Mountain Stream Insects of Colorado
James V. Ward, Boris C. Kondratieff, Robert E. Zuellig · University Press of Colorado
219 sayfa · 2002
Insects, aquatic / Mountain animals / Aquatic insects / Classification
Urban-related environmental variables and their relation with patterns in biological community structure in the Fountain Creek basin, Colorado, 2003-2005
Robert E. Zuellig · U.S. Geological Survey
24 sayfa · 2007
Urbanization / Freshwater animals / Urban ecology / Urban ecology (Sociology)
Macroinvertebrate-based assessment of biological condition at selected sites in the Eagle River watershed, Colorado, 2000-07
Robert E. Zuellig · U.S. Dept. of the Interior, U.S. Geological Survey
19 sayfa · 2010
Aquatic invertebrates / Water quality biological assessment