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Title: Effects of suction dredging on streams: a review and an evaluation strategy

Author: Harvey, Bret C.; Lisle, Thomas E.;

Date: 1998

Source: Fisheries 23(8): 8-17.

Publication Series: Miscellaneous Publication

Description: Abstract - Suction dredging for gold in river channels is a small-scale mining practice whereby streambed material is sucked up a pipe, passed over a sluice box to sort out the gold, and discarded as tailings over another area of bed. Natural resource managers should be concerned about suction dredging because it is common in streams in western North America that contain populations of sensitive aquatic species. It also is subject to both state and federal regulations, and has provided the basis for litigation. The scientific literature contains few peer-reviewed studies of the effects of dredging, but knowledge of dredging practices, and the biology and physics of streams suggests a variety of mechanisms linking dredging to aquatic resources.

Keywords: PSW4351, watershed, stream, suction dredging, river channels, dredging, fisheries

Publication Notes:

  • We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
  • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.



Harvey, Bret C.; Lisle, Thomas E. 1998. Effects of suction dredging on streams: a review and an evaluation strategy. Fisheries 23(8): 8-17.


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