Preserving Salmon Biodiversity. Phillip S. Levin and Michael H. Schiewe.
by Levin, Phillip S; SIRS Publishing, Inc.
Material type:
BookSeries: SIRS Enduring Issues 2002Article 30Science. Publisher: Public Domain, 2001ISSN: 1522-3264;.Subject(s): Fish populations | Fishery conservation | Fishes -- Effect of dams on | Pacific salmon | Pacific salmon fisheries | Species diversity | Stream ecologyDDC classification: 050 Summary: "Pacific salmon have now been extirpated from nearly 40 percent of their historical habitat in the Pacific Northwest. Nearly half the remaining populations are at a risk of extinction. The threats to salmon span almost every major freshwater ecosystem from the Los Angeles River to Canada. The crisis has made the unthinkable seem all too possible: a Pacific Northwest without salmon." (AMERICAN SCIENTIST) This article investigates the threateningly low levels of genetic diversity left within many salmon species.
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Books
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High School - old - to delete | SIRS SCI2 30 (Browse shelf) | Available |
Articles Contained in SIRS Enduring Issues 2002.
Originally Published: Preserving Salmon Biodiversity, May/June 2001; pp. 220-227.
"Pacific salmon have now been extirpated from nearly 40 percent of their historical habitat in the Pacific Northwest. Nearly half the remaining populations are at a risk of extinction. The threats to salmon span almost every major freshwater ecosystem from the Los Angeles River to Canada. The crisis has made the unthinkable seem all too possible: a Pacific Northwest without salmon." (AMERICAN SCIENTIST) This article investigates the threateningly low levels of genetic diversity left within many salmon species.
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