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Strategies for conserving native salmonid populations at risk from nonnative fish invasions : tradeoffs in using barriers to upstream movement

Title: Strategies for conserving native salmonid populations at risk from nonnative fish invasions : tradeoffs in using barriers to upstream movement / Kurt D. Fausch ... [et al.].
Publication: Fort Collins, CO : U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Research Station, [2006]

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Description

iii, 44 p. : ill., maps; 28 cm.

Summary

Native salmonid populations in the inland West are often restricted to small isolated habitats at risk from invasion by nonnative salmonids. However, further isolating these populations using barriers to prevent invasions can increase their extinction risk. This monograph reviews the state of knowledge about this tradeoff between invasion and isolation. We present a conceptual framework to guide analysis, focusing on four main questions concerning conservation value, vulnerability to invasion, persistence given isolation, and priorities when conserving multiple populations. Two examples illustrate use of the framework, and a final section discusses opportunities for making strategic decisions when faced with the invasion-isolation tradeoff.

Series Statement

General technical report RMRS ; GTR-174

Subject

Note

"September 2006."

Bibliography (note)

Includes bibliographical references (p. 37-44).

Additional Formats (note)

Also available on the World Wide Web.

Call Number

JBX Q-824

OCLC

86078760

Title

Strategies for conserving native salmonid populations at risk from nonnative fish invasions : tradeoffs in using barriers to upstream movement / Kurt D. Fausch ... [et al.].

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