Upper Midwest Environmental Sciences Center
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Johnson, B. L., W. B. Richardson and T. J. Naimo (1995). Past, present, and future concepts in large river ecology. Bioscience. 45:134-141.
How rivers function and how human activities influence river processes. Many important questions are likely to require natural experiments or large-scale manipulations that compare rivers or river reaches.
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://www.umesc.usgs.gov/data_library/fisheries/fish_passage/johnson2.html
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November 3, 2015
