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Mark-recapture abundance estimates for Yukon River chinook salmon in 2003

Autor: Ted R Spencer; Toshihide Hamazaki; John H Eiler; Alaska. Division of Sport Fish.; Alaska. Division of Commercial Fisheries.
Editora: Anchorage : Alaska Dept. of Fish and Game, Division of Sport Fish, Research and Technical Services, [2006]
Séries: Fishery data series, no. 06-31.
Edição/Formato   Livro : Documento : Publicação de governo estadual ou província   Arquivo de Computador : Inglês
Base de Dados:WorldCat
Resumo:
Abundance of adult Chinook salmon Oncorhynchus tshawytscha passing by the village of Russian Mission was estimated in 2003 as part of a radio telemetry study on the Yukon River. Drift gillnets were used to capture 2,312 salmon at Russian Mission, 1,097 of which were marked with plastic spaghetti tags and esophageal radio transmitters. Marked fish were tracked upstream to spawning grounds. Chapman's modification of  Ler mais...
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Detalhes

Gênero/Forma: Statistics
Tipo de Material: Documento, Publicação do governo, Publicação de governo estadual ou província, Recurso Internet
Tipo de Documento: Livro, Arquivo de Computador, Recurso Internet
Todos os Autores / Contribuintes: Ted R Spencer; Toshihide Hamazaki; John H Eiler; Alaska. Division of Sport Fish.; Alaska. Division of Commercial Fisheries.
Número OCLC: 70670508
Notas: "Alaska Department of Fish and Game, Divisions of Sport Fish and Commercial Fisheries"--Cover.
"June 2006."
Descrição: ii, 38 p. : ill., maps ; 28 cm.
Detalhes: This item was harvested from the Fish and Game web site: http://www.sf.adfg.state.ak.us/FedAidPDFs/fds06-31.pdf in July 2006 for the Alaska State Publications Program; remote access available via StaticURL.
Título da Série: Fishery data series, no. 06-31.
Responsabilidade: by Ted R. Spencer, Toshihide Hamazaki, and John H. Eiler.

Resumo:

Abundance of adult Chinook salmon Oncorhynchus tshawytscha passing by the village of Russian Mission was estimated in 2003 as part of a radio telemetry study on the Yukon River. Drift gillnets were used to capture 2,312 salmon at Russian Mission, 1,097 of which were marked with plastic spaghetti tags and esophageal radio transmitters. Marked fish were tracked upstream to spawning grounds. Chapman's modification of Petersen's closed-population, two-event mark-recapture experiment was used to estimate abundance. The second sampling event consisted of salmon spawning in select locations or caught in select fisheries representing populations that returned early (bound for Canada), late (bound for the Koyukuk River), and mid-run (bound for the Tanana River). Of the 36,032 large salmon (= 650 mm METF) involved in the second event, 146 carried transmitters for an estimated abundance of 261,545 chinook salmon. Diagnostic testing showed this estimate to be consistent. Bootstrap simulation was used to estimate the variance (SE=18,911).

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