Streambank fish-shelter structures help stabilize tributary streams in Wisconsin |
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| Authors: | Stanley W Trimble |
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| Institution: | (1) Department of Geography, University of California, 405 Hilgard, Los Angeles, CA 90024-1524 U.S.A., US |
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| Abstract: | A significant proportion of stream sediment yield in North America comes from stream channel and bank erosion. One method
used for stream stabilization is the bank installation of timber and stone fish-shelter structures, but there is little evidence
for their potential effectiveness. Nine to nineteen years of precise survey data from Coon Creek, Wisconsin, however, show
that fish structures enhance sediment deposition along the stream and may retard lateral migration of channels. Such structures
have greater utility for sediment control when streams are eroding away a high bank and replacing it with a lower bank.
Received: 18 October 1996 · Accepted: 4 February 1997 |
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| Keywords: | Watershed management Stream channel erosion Fluvial geomorphology Fish shelter Streambank erosion Riparian zone |
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