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Potential causes of size trends in Yukon River chinook salmon populations

Autor: Yukon River Joint Technical Committee. Salmon Size Subcommittee.; Alaska. Division of Commercial Fisheries.
Editora: Anchorage, AK : Alaska Dept. of Fish and Game, Division of Commercial Fisheries, [2006]
Séries: Regional informational report (Alaska. Division of Commercial Fisheries : 1999), no. 3A06-07.
Edição/Formato   Livro : Documento : Publicação de governo internacional : Publicação de governo estadual ou província   Arquivo de Computador : Inglês
Base de Dados:WorldCat
Resumo:
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  Ler mais...
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Detalhes

Tipo de Material: Documento, Publicação do governo, Publicação de governo internacional, Publicação de governo estadual ou província, Recurso Internet
Tipo de Documento: Livro, Arquivo de Computador, Recurso Internet
Todos os Autores / Contribuintes: Yukon River Joint Technical Committee. Salmon Size Subcommittee.; Alaska. Division of Commercial Fisheries.
Número OCLC: 133162148
Notas: "November 2006"--Cover.
Descrição: ii, 34 p. : ill. ; 28 cm.
Detalhes: 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.
Título da Série: Regional informational report (Alaska. Division of Commercial Fisheries : 1999), no. 3A06-07.
Responsabilidade: prepared by the United States and Canada Yukon River Joint Technical Committee, Salmon Size Subcommittee.

Resumo:

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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