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Potential causes of size trends in Yukon River chinook salmon populations

Author: Yukon River Joint Technical Committee. Salmon Size Subcommittee.; Alaska. Division of Commercial Fisheries.
Publisher: Anchorage, AK : Alaska Dept. of Fish and Game, Division of Commercial Fisheries, [2006]
Series: Regional informational report (Alaska. Division of Commercial Fisheries : 1999), no. 3A06-07.
Edition/Format:   Print book : Document : International government publication : State or province government publication   Computer File : English
Summary:
Concerns regarding the size and sex composition of Yukon River Chinook salmon, Oncorhynchus tshawytscha, have been expressed in public meetings for over a decade. However, reports of small size and low numbers of females have become increasingly common in recent years, and apprehension over the long-term health of the stock has grown within the drainage. In response to these reports, the Salmon Size Subcommittee of  Read more...
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Details

Material Type: Document, Government publication, International government publication, State or province government publication, Internet resource
Document Type: Book, Computer File, Internet Resource
All Authors / Contributors: Yukon River Joint Technical Committee. Salmon Size Subcommittee.; Alaska. Division of Commercial Fisheries.
OCLC Number: 133162148
Notes: "November 2006"--Cover.
Description: ii, 34 pages : illustrations ; 28 cm.
Details: This item was harvested from the Fish and Game web site: http://www.cf.adfg.state.ak.us/region3/pubs/yukon/06bofjtcchin.pdf in April 2007 for the Alaska State Publications Program; remote access available via StaticURL.
Series Title: Regional informational report (Alaska. Division of Commercial Fisheries : 1999), no. 3A06-07.
Responsibility: prepared by the United States and Canada Yukon River Joint Technical Committee, Salmon Size Subcommittee.

Abstract:

Concerns regarding the size and sex composition of Yukon River Chinook salmon, Oncorhynchus tshawytscha, have been expressed in public meetings for over a decade. However, reports of small size and low numbers of females have become increasingly common in recent years, and apprehension over the long-term health of the stock has grown within the drainage. In response to these reports, the Salmon Size Subcommittee of the US/Canada Yukon River Joint Technical Committee was formed and charged with advising the Committee, and thereby the US/Canada Yukon River Panel, with respect to changes in chinook salmon age, sex, and size composition. This report, which summarizes the findings of prior investigations and the scientific literature on factors that influence salmon morphology, represents the first product of the subcommittee.

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