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Effects Of Dredging On Anadromous Pacific Coast Fishes : Workshop Proceedings, Seattle, Washington, September 8-9, 1988
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1990
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Series: WSG-WO ; 90-01
[PDF-7.79 MB]
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Description:This workshop was organized to review the state of knowledge about the effects of dredging-induced turbidity on the physiology, behavior, and survival of anadromous fishes in the Pacific Northwest (dredging effects attributable to chemical toxicity were not considered). The basic question was can anadromous fishes detect and behaviorally avoid suspended sediment concentrations that may be harmful to them? Although the focus is on salmonids migrating through estuaries, some papers include information on striped bass, smelt and other anadromous fishes, as well as on riverine effects. The result is an assessment of the issues currently surrounding dredging impacts, a re-evaluation of strategies for minimal-impact dredging, and recommended approaches for evaluating and quantifying the more significant impacts. Workshop discussions centered on the biological basis for temporal and spatial limits for dredging activities that are presumed to impact anadromous fish poulations in Pacific Northwest estuaries.
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Sea Grant Document Number:WASHU-W-88-005
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Rights Information:Public Domain
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