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    Author(s): Jonathan Thompson; Pete Bisson
    Date: 2008
    Source: Science Findings 100. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 5 p
    Publication Series: Science Findings
    Station: Pacific Northwest Research Station
    PDF: Download Publication  (461.0 KB)


    Commercial farming of Atlantic salmon in marine net-pens has become a booming industry. At present, approximately 130 salmon farms exist along the Pacific coast of North America. Most of these farms are in cold marine bays within British Columbia, where farmed salmon have become the province’s most valuable agricultural export. Each year, thousands of farmed Atlantic salmon escape their pens, and could potentially impact native fishes. The PNW Research Station has recently examined the risk of population establishment by escaped Atlantic salmon in the Pacific Northwest, and assessed the potential implications of invasions for native fishes inhabiting streams within national forests.

    Publication Notes

    • Visit PNW's Publication Request Page to request a hard copy of this publication.
    • 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.


    Thompson, Jonathan; Bisson, Pete. 2008. Farmed Atlantic salmon: potential invader in the Pacific Northwest? Science Findings 100. Portland, OR: U.S. Department of Agriculture,  Forest Service, Pacific Northwest Research Station. 5 p


    Atlantic salmon, farmed Atlantic salmon

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