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Potential causes of size trends in Yukon River chinook salmon populations

Auteur : Yukon River Joint Technical Committee. Salmon Size Subcommittee.; Alaska. Division of Commercial Fisheries.
Éditeur : Anchorage, AK : Alaska Dept. of Fish and Game, Division of Commercial Fisheries, [2006]
Collection : Regional informational report (Alaska. Division of Commercial Fisheries : 1999), no. 3A06-07.
Édition/format :   Print book : Document : Publication gouvernementale internationale : Publication gouvernementale provinciale ou d'état   Fichier informatique : Anglais
Base de données :WorldCat
Résumé :
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  Lire la suite...
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Détails

Type d’ouvrage : Document, Publication gouvernementale, Publication gouvernementale internationale, Publication gouvernementale provinciale ou d'état, Ressource Internet
Format : Livre, Fichier informatique, Ressource Internet
Tous les auteurs / collaborateurs : Yukon River Joint Technical Committee. Salmon Size Subcommittee.; Alaska. Division of Commercial Fisheries.
Numéro OCLC : 133162148
Notes : "November 2006"--Cover.
Description : ii, 34 pages : illustrations ; 28 cm.
Détails : 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.
Titre de collection : Regional informational report (Alaska. Division of Commercial Fisheries : 1999), no. 3A06-07.
Responsabilité : prepared by the United States and Canada Yukon River Joint Technical Committee, Salmon Size Subcommittee.

Résumé :

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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