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Production And Escapement Of Chilkat River Coho Salmon 2007 2008
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Book Synopsis Production and Escapement of Chilkat River Coho Salmon, 2007-2008 by : Brian W. Elliott
Download or read book Production and Escapement of Chilkat River Coho Salmon, 2007-2008 written by Brian W. Elliott and published by . This book was released on 2012 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this study was to conduct a full stock assessment of Chilkat River coho salmon Oncorhynchus kisutch. Coho salmon smolt were captured in the Chilkat River during spring 2007, marked with an adipose fin clip and a coded wire tag (CWT), and sampled for age, weight, and length. In 2008, adult coho salmon were sampled for CWTs in sport and commercial fishery harvests throughout Southeast Alaska and in the Chilkat River to estimate the marked fraction. In addition, the 2008 escapement to the Chilkat River was estimated by expanding peak survey counts.
Book Synopsis Production and Escapement of Chilkat River Coho Salmon, 2008-2009 by : Brian W. Elliott
Download or read book Production and Escapement of Chilkat River Coho Salmon, 2008-2009 written by Brian W. Elliott and published by . This book was released on 2012 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this study was to conduct a full stock assessment of Chilkat River coho salmon Oncorhynchus kisutch. Coho salmon smolt were captured in the Chilkat River during spring 2008, marked with an adipose fin clip and a coded wire tag (CWT), and sampled for age, weight, and length. In 2009, adult coho salmon were sampled for CWTs in sport and commercial fishery harvests throughout Southeast Alaska and in the Chilkat River to estimate the marked fraction. In addition, the 2009 escapement to the Chilkat River was estimated by expanding peak survey counts.
Book Synopsis Production and Escapement of Coho Salmon from the Chilkat River, 2006-2007 by : Brian W. Elliott
Download or read book Production and Escapement of Coho Salmon from the Chilkat River, 2006-2007 written by Brian W. Elliott and published by . This book was released on 2010 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this study was to conduct a full stock assessment of Chilkat River coho salmon, Oncorhynchus kisutch. Coho salmon smolt were captured in the Chilkat River during spring 2006, marked with an adipose finclip and a coded wire tag (CWT), and sampled for age, weight, and length. In 2007, adult coho salmon were sampled for CWTs in sport and commercial fishery harvests throughout Southeast Alaska, and in the Chilkat River, to estimate the marked fraction. In addition, the 2007 escapement to the Chilkat River was estimated by expanding peak survey counts.
Book Synopsis Production and Escapement of Coho Salmon from the Chilkat River, 2005-2006 by : Brian W. Elliott
Download or read book Production and Escapement of Coho Salmon from the Chilkat River, 2005-2006 written by Brian W. Elliott and published by . This book was released on 2009 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this study was to conduct a full stock assessment of Chilkat River coho salmon Oncorhynchus kisutch. Coho salmon smolt were captured in the Chilkat River during spring 2005, marked with an adipose finclip and a coded wire tag (CWT), and sampled for age, weight, and length. In 2006, adult coho salmon were sampled for CWTs in recreational and commercial fisheries harvests throughout Southeast Alaska, and in the Chilkat River to determine the marked fraction. In addition, the escapement of adult coho salmon to the Chilkat River in 2006 was estimated by expanding peak survey counts.
Book Synopsis Production and Escapement of Coho Salmon from the Chilkat River, 2003-2004 by : Randolph P. Ericksen
Download or read book Production and Escapement of Coho Salmon from the Chilkat River, 2003-2004 written by Randolph P. Ericksen and published by . This book was released on 2006 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this study was to conduct a full stock assessment of Chilkat River coho salmon Oncorhynchus kisutch. Coho salmon smolt were captured in the Chilkat River during spring 2003, marked with an adipose fin clip and a coded wire tag (CWT), and sampled for age, weight, and length. In 2004, adult coho salmon were sampled for CWTs in recreational and commercial fisheries harvests throughout Southeast Alaska, and in the Chilkat River to determine the marked fraction. In addition, the escapement of adult coho salmon to the Chilkat River in 2004 was estimated by expanding peak survey counts.
Book Synopsis Production, Harvest, and Escapement of Chilkat River Coho Salmon, 2009-2010 by : Brian W. Elliott
Download or read book Production, Harvest, and Escapement of Chilkat River Coho Salmon, 2009-2010 written by Brian W. Elliott and published by . This book was released on 2013 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this study was to conduct a full stock assessment of Chilkat River coho salmon Oncorhynchus kisutch. Coho salmon smolt were captured in the Chilkat River during spring 2009, marked with an adipose fin clip and a coded wire tag (CWT), and sampled for age, weight, and length. In 2010, adult coho salmon were sampled for CWTs in sport and commercial fishery harvests throughout Southeast Alaska and in the Chilkat River to estimate the marked fraction. In addition, the 2010 escapement to the Chilkat River was estimated by expanding peak survey counts.
Book Synopsis Production and Escapement of Coho Salmon from the Chilkat River, 2004-2005 by : Randolph P. Ericksen
Download or read book Production and Escapement of Coho Salmon from the Chilkat River, 2004-2005 written by Randolph P. Ericksen and published by . This book was released on 2006 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this study was to conduct a full stock assessment of Chilkat River coho salmon, Oncorhynchus kisutch. Coho salmon smolt were captured in the Chilkat River during spring 2004, marked with an adipose fin clip and a coded wire tag (CWT), and sampled for age, weight, and length. In 2005, adult coho salmon were sampled for CWTs in recreational and commercial fisheries harvests throughout southeast Alaska, and in the Chilkat River to determine the marked fraction. In addition, the escapement of adult coho salmon to the Chilkat River in 2005 was estimated by a mark-recapture experiment.
Book Synopsis Optimal Production of Coho Salmon from the Chilkat River by : Randolph P. Ericksen
Download or read book Optimal Production of Coho Salmon from the Chilkat River written by Randolph P. Ericksen and published by . This book was released on 2006 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discusses an escapement goal range for adult coho salmon, Oncorhynchus kisutch, from the Chilkat River.
Book Synopsis Anchor River Chinook and Coho Salmon Escapement, 2007-2008 by : Carol M. Kerkvliet
Download or read book Anchor River Chinook and Coho Salmon Escapement, 2007-2008 written by Carol M. Kerkvliet and published by . This book was released on 2012 with total page 99 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Production of Coho Salmon from the Chilkat River, 2001-2002 by : Randolph P. Ericksen
Download or read book Production of Coho Salmon from the Chilkat River, 2001-2002 written by Randolph P. Ericksen and published by . This book was released on 2003 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Smolt Production and Harvest of Coho Salmon from the Chilkat River, 1999-2000 by : Randolph P. Ericksen
Download or read book Smolt Production and Harvest of Coho Salmon from the Chilkat River, 1999-2000 written by Randolph P. Ericksen and published by . This book was released on 2001 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Smolt Production and Harvest of Coho Salmon from the Chilkat River, 2000-2001 by : Randolph P. Ericksen
Download or read book Smolt Production and Harvest of Coho Salmon from the Chilkat River, 2000-2001 written by Randolph P. Ericksen and published by . This book was released on 2002 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chilkat River Chinook Salmon Escapement Studies in 2022 by : Brian W. Elliott
Download or read book Chilkat River Chinook Salmon Escapement Studies in 2022 written by Brian W. Elliott and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chilkat River large (age-1.3 and older) Chinook salmon Oncorhynchus tshawytscha inriver abundance and age and sex composition will be estimated using a 2-event mark–recapture experiment in 2022. Event 1 marking is conducted in the lower Chilkat River, and event 2 recapture is conducted in principal spawning areas within the Chilkat River drainage. Data produced from this project includes estimated spawning abundance and age, sex and length compositions of the large Chinook salmon run, and when possible, estimated spawning abundance and sex and length composition of the age-1.2 Chinook salmon run in the Chilkat River drainage. The Chilkat River stock of Chinook salmon is a Pacific Salmon Commission Chinook Technical Committee exploitation rate and escapement indicator stock, and contributes toward the coastwide Chinook model used by the Pacific Salmon Commission to monitor coastwide abundance. Mark–recapture experiments of adult Chinook salmon inriver abundance have been conducted in the Chilkat River drainage since 1991 and resulting escapement estimates have had an average coefficient of variation of 16%, which contributes toward precise stock assessment production estimates for the Chilkat River Chinook stock. As part of ongoing Chilkat River Chinook salmon coded wire tag studies, all Chinook salmon encountered in the mark–recapture experiment of adult Chinook salmon inriver abundance will be examined for missing adipose fins, an indication that fish may be tagged with a coded wire tag, information that leads to estimates of juvenile production and marine harvest. These data when used in conjunction with inriver abundance allows full production estimates for the Chilkat stock.
Book Synopsis Operational Plan: Production and Harvest of Chilkat River Chinook and Coho Salmon, 2020-2021 by : Brian W. Elliott
Download or read book Operational Plan: Production and Harvest of Chilkat River Chinook and Coho Salmon, 2020-2021 written by Brian W. Elliott and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: An ongoing coded-wire tag project, used as part of a stock assessment program for Chilkat River Chinook salmon Oncorhynchus tshawytscha and coho salmon Oncorhynchus kisutch, will be conducted during fall 2020 and spring 2021 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 and creel 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 2020 (juvenile Chinook salmon) and spring 2021 (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 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.
Book Synopsis Production and Harvest of Chilkat River Chinook and Coho Salmon, 2019-2020 by : Brian W. Elliott
Download or read book Production and Harvest of Chilkat River Chinook and Coho Salmon, 2019-2020 written by Brian W. Elliott and published by . This book was released on 2020 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: An ongoing coded-wire tag project, used as part of a stock assessment program for Chilkat River Chinook salmon Oncorhynchus tshawytscha and coho salmon Oncorhynchus kisutch, will be conducted during fall 2019 and spring 2020 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 and creel 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 2019 (juvenile Chinook salmon) and spring 2020 (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 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
Book Synopsis Production and Spawning Distribution of Coho Salmon from the Chilkat River, 2002-2003 by : Randolph P. Ericksen
Download or read book Production and Spawning Distribution of Coho Salmon from the Chilkat River, 2002-2003 written by Randolph P. Ericksen and published by . This book was released on 2005 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Smolt Production, Adult Harvest, and Spawning Escapement of Coho Salmon from the Nakwasina River in Southeast Alaska, 2001-2002 by : Troy Allen Tydingco
Download or read book Smolt Production, Adult Harvest, and Spawning Escapement of Coho Salmon from the Nakwasina River in Southeast Alaska, 2001-2002 written by Troy Allen Tydingco and published by . This book was released on 2005 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
