Escapement, Terminal Harvest, and Juvenile Tagging of Chilkat River Chinook Salmon in 2004 PDF Download
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Author: Randolph P. Ericksen
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 38
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Book Description
Author: Randolph P. Ericksen
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 38
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Book Description
Author: Richard S. Chapell
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 60
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Book Description
The purpose of this study was to estimate the sport harvest, escapement, and production of Chinook salmon, Oncorhynchus tshawytscha, returning to the Chilkat River during 2006.
Author: Richard S. Chapell
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 60
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Book Description
The purpose of this study was to estimate the sport harvest, escapement, and production of Chinook salmon, Oncorhynchus tshawytscha, returning to the Chilkat River during 2007.
Author: Richard S. Chapell
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 60
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Book Description
The purpose of this study was to estimate the sport harvest and escapement of Chinook salmon Oncorhynchus tshawytscha returning to the Chilkat River during 2008.
Author: Richard S. Chapell
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 76
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Book Description
The purposes of this study were to estimate the 2009 sport harvest and inriver run of Chilkat River Chinook salmon Oncorhynchus tshawytscha, to estimate the production of brood year 2002 Chilkat River Chinook salmon, and to document the coded wire tagging of brood year 2008 Chilkat River Chinook salmon.
Author: Randolph P. Ericksen
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 44
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Book Description
Author: Richard S. Chapell
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 78
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Book Description
Author: Richard S. Chapell
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 80
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Book Description
Author: Brian W. Elliott
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 0
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Book Description
An ongoing coded wire tag project, used as part of a stock assessment program for Chilkat River Chinook salmon Oncorhynchus tshawytscha and coho salmon O. kisutch, will be conducted during fall 2022 and spring 2023 to provide estimates of smolt abundance and marine harvest for Chinook and coho salmon. This project uses modified Peterson 2-event mark–recapture methods to estimate smolt abundance, and port sampling of coded wire tags in mixed stock commercial and sport fisheries to estimate marine harvest for both species. Juvenile salmon will be measured for length and weight, marked with adipose fin clips, and tagged with coded wire tags in fall 2022 (juvenile Chinook salmon) and spring 2023 (Chinook and coho salmon smolt) as event 1 of the mark–recapture study. During event 2, adult Chinook salmon will be sampled for missing adipose fins, coded wire tags, age, sex, and length in Chilkat River fishwheels and drift gillnets, which are operated in the lower Chilkat River as part of a separate adult mark–recapture project. Adult Chinook salmon will be also sampled for missing adipose fins, coded wire tags, and age, sex, and length during Chilkat River drainage spawning grounds surveys to complete event 2 sampling. Coho salmon will also be sampled as adults during event 2 in the lower Chilkat River fishwheels. Age composition of Chinook salmon adults will be estimated by scale ageing techniques; age composition of coho salmon smolt and adults will also be estimated. The Alaska Department of Fish and Game uses these data to make local and regional management decisions. Chilkat River Chinook salmon is a Pacific Salmon Commission exploitation rate and escapement indicator stock and has recently been added to the base model of abundance indicator stocks for the Chinook Technical Committee, which influences coastwide management.
Author: Randolph P. Ericksen
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 31
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Book Description
