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Genetic Stock Identification Of Copper River Chinook Salmon Harvest 2005 2008
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Book Synopsis Genetic Stock Identification of Copper River Chinook Salmon Harvest, 2005-2008 by : William D. Templin
Download or read book Genetic Stock Identification of Copper River Chinook Salmon Harvest, 2005-2008 written by William D. Templin and published by . This book was released on 2011 with total page 39 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes the preparation of a comprehensive genetic baseline representing Chinook salmon populations across the Gulf of Alaska and south to California, and the use of this baseline to estimate the relative stock composition of Chinook salmon harvests in the Copper River District commercial fishery from 2005 to 2008.
Book Synopsis Genetic Stock Composition of the Commercial Harvest of Chinook Salmon in Copper River District, 2013-2017 by : Sara Ellen Gilk
Download or read book Genetic Stock Composition of the Commercial Harvest of Chinook Salmon in Copper River District, 2013-2017 written by Sara Ellen Gilk and published by . This book was released on 2017 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chinook salmon are harvested in subsistence, commercial, sport, and personal use fisheries throughout the Copper River drainage and in nearshore marine waters. This project was designed to estimate the stock-specific harvest of Chinook salmon in the Copper River District commercial drift gillnet fishery using genetics samples from 2013 through 2017. The Chinook Salmon Research Initiative identified the Copper River as 1 of 12 indicator stocks representing the diverse life history and migratory characteristics of Alaska Chinook salmon. Adult abundance information was identified as a fundamental knowledge gap, including the absence of programs to estimate stock-specific harvest in mixed stock commercial fisheries. This project applied the available baseline of genetic information representing Chinook salmon populations from within the Copper River drainage, around the Gulf of Alaska, and from southern populations to estimate the relative stock compositions of Chinook salmon harvests in the Copper River District commercial fishery. The results show that most of the fish in the Copper River commercial fishery originated from Copper River populations, which is consistent with findings from previous studies. A consistent temporal pattern in the composition of the commercial fishery harvests was observed across the 5-year study. As the season progressed, the proportion of Upper Copper River Chinook salmon decreased, and the proportion of Lower Copper River Chinook salmon increased. The unusually high proportions of nonlocal Chinook salmon in the commercial harvest occurring during 2 of the study years (2014 and 2015) align with other reports of large numbers of out-of-area Chinook salmon in commercial fisheries throughout the southern and southeastern seaboards of Alaska. The results support the historical commercial management approach of providing inriver passage for all temporal components of the run. Genetic data allow for estimating the stock-specific harvests of wild stocks or stocks (with and without coded wire tags) from other areas.
Book Synopsis Genetic Stock Identification of Chinook Salmon Harvest on the Yukon River 2008 by : Nicholas A. Decovich
Download or read book Genetic Stock Identification of Chinook Salmon Harvest on the Yukon River 2008 written by Nicholas A. Decovich and published by . This book was released on 2010 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discusses significant genetic variation among populations of Chinook salmon within the Yukon River drainage, which has been used to provide estimates of the composition of mixed stock fishery harvests since the early 1990s.
Book Synopsis Genetic Stock Identification of Chinook Salmon Harvests on the Yukon River, 2005 by : William D. Templin
Download or read book Genetic Stock Identification of Chinook Salmon Harvests on the Yukon River, 2005 written by William D. Templin and published by . This book was released on 2006 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic Stock Identification of Chinook Salmon Harvest on the Yukon River, 2006 by : William D. Templin
Download or read book Genetic Stock Identification of Chinook Salmon Harvest on the Yukon River, 2006 written by William D. Templin and published by . This book was released on 2008 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic Stock Composition of the Commercial Harvest of Chinook Salmon in Copper River District, 2018-2021 by : Andrew W. Barclay
Download or read book Genetic Stock Composition of the Commercial Harvest of Chinook Salmon in Copper River District, 2018-2021 written by Andrew W. Barclay and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chinook salmon are harvested in subsistence, commercial, sport, and personal use fisheries throughout the Copper River drainage and in nearshore marine waters. This project was designed to estimate the stock-specific harvest of Chinook salmon in the Copper River District commercial drift gillnet fishery using genetics samples from 2018 through 2021. This project applied the available baseline of genetic information representing Chinook salmon populations from within the Copper River drainage, around the Gulf of Alaska, and from southern populations to estimate the relative stock compositions of Chinook salmon harvests in the Copper River District commercial fishery. The results show that most of the fish in the Copper River commercial fishery originated from Copper River populations, which is consistent with findings from previous studies. The consistent temporal pattern in the composition of the commercial fishery harvests observed in previous studies was also observed across the 4 years of this study. As the season progressed, the proportion of Upper Copper River Chinook salmon decreased, and the proportion of Lower Copper River Chinook salmon increased. The results support a historical commercial management approach of providing inriver passage for all temporal components of the run. Genetic data allow for estimating the stock-specific harvests of wild stocks or stocks (with and without coded wire tags) from other areas.
Book Synopsis Genetic Stock Identification of Chinook Salmon Harvest on the Yukon River in 2004 by :
Download or read book Genetic Stock Identification of Chinook Salmon Harvest on the Yukon River in 2004 written by and published by . This book was released on 2006 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic Stock Identification of Chinook Salmon Harvest on the Yukon River 2009 by : Nicholas A. Decovich
Download or read book Genetic Stock Identification of Chinook Salmon Harvest on the Yukon River 2009 written by Nicholas A. Decovich and published by . This book was released on 2010 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discusses significant genetic variation among populations of Chinook salmon (Oncorhynchus tshawytscha) within the Yukon River drainage, which has been used to provide estimates of the composition of mixed stock fishery harvests since the early 1990s.
Book Synopsis Genetic Stock Identification of Chinook Salmon Harvest on the Yukon River, 2007 by : Nicholas A. Decovich
Download or read book Genetic Stock Identification of Chinook Salmon Harvest on the Yukon River, 2007 written by Nicholas A. Decovich and published by . This book was released on 2009 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discusses significant genetic variation among populations of Chinook salmon within the Yukon River drainage, which has been used to provide estimates of stock composition of fishery harvests since the early 1990s.
Book Synopsis Genetic Stock Identification of Chinook Salmon Harvest on the Yukon River 2010 by : Nicholas A. Decovich
Download or read book Genetic Stock Identification of Chinook Salmon Harvest on the Yukon River 2010 written by Nicholas A. Decovich and published by . This book was released on 2011 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discusses significant genetic variation among populations of Chinook salmon (Oncorhynchus tshawytscha) within the Yukon River drainage; this data has been used to provide estimates of the composition of mixed stock fishery harvests since the early 1990s.
Book Synopsis Progress in Development of a DNA Baseline for Genetic Identification of Chinook Salmon Stocks of the Copper River Basin, Alaska by : Lisa Wishard Seeb
Download or read book Progress in Development of a DNA Baseline for Genetic Identification of Chinook Salmon Stocks of the Copper River Basin, Alaska written by Lisa Wishard Seeb and published by . This book was released on 2006 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report serves as a first-year summary of progress of a contract study intended to document the timing and origins of chinook salmon, Oncorhynchus tshawytscha, stocks in the Copper River and adjacent ocean fisheries using DNA markers. The project is intended to investigate the genetic structure of chinook salmon from the Copper River drainage using both microsatellite and single nucleotide polymorphisms (SNPs). Identification of genetic stocks of chinook salmon within the Copper River drainage and knowledge of their run timing and migration patterns will provide valuable information to optimize management and provide for sustainable fisheries. The first objective of this contract study is to develop a DNA database to delineate major geographic and temporal stocks of chinook salmon within the Copper River. This objective requires collection of tissue samples as well as the laboratory DNA analyses of those tissues. A second objective is to investigate run timing and entry patterns within the Copper River through the analysis of radio-tagged and fishwheel samples from Baird Canyon. A third objective is to characterize the timing of Copper River stocks in the ocean fisheries and estimate the contribution to this fishery by stocks of non-Copper River origin. Finally, these data will be standardized and contributed to a coastwide DNA database so that Copper River chinook salmon can be tracked throughout their marine migration. This report reviews the first year of the study which concentrated on objective 1.
Book Synopsis Timing and Origin of Chinook Salmon Stocks in the Copper River Using DNA Markers, Report to the Alaska Board of Fisheries, December 1-7, 2008, Cordova, Alaska by : William D. Templin
Download or read book Timing and Origin of Chinook Salmon Stocks in the Copper River Using DNA Markers, Report to the Alaska Board of Fisheries, December 1-7, 2008, Cordova, Alaska written by William D. Templin and published by . This book was released on 2008 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objectives of this study were to delineate major geographic and temporal stocks of Chinook salmon within the Copper River, determine the potential of genetic markers to distinguish among stocks within the Copper River drainage, and to investigate run timing within the Copper River.
Book Synopsis Yukon River Chinook Salmon Subsistnce Harvest ASL and Genetic Stock Identification, 2018 by : Sean D. Larson
Download or read book Yukon River Chinook Salmon Subsistnce Harvest ASL and Genetic Stock Identification, 2018 written by Sean D. Larson and published by . This book was released on 2020 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding the age, sex, length, and stock of origin of Chinook salmon Oncorhynchus tshawytscha, caught in subsistence fisheries of the Yukon River is important for making well informed management decisions and forecasting salmon runs. The objective of this study was to collect representative genetic mixed stock analysis information, coupled with age, sex, and length data, from the Chinook salmon subsistence harvest in the Coastal District and Districts 1–5. A total of 43 subsistence fishermen from 13 communities sampled 1,573 Chinook salmon that were harvested using gillnets, fish wheels, and dip nets. The age, sex, and length composition of the harvest was 0.3% age-3, 16.9% age-4, 47.1% age-5, 33.9% age-6, 1.8% age-7, 32.5% female, and an average of 725 mm in length. The proportion of the catch that was Canadian-origin ranged from 0.38 in District 2 to 0.72 in District 5. The data generated from this project are essential to estimate total run size of Yukon River Chinook salmon stocks, evaluate boarder passage and harvest share agreements as defined in the Pacific Salmon Treaty, and update spawner-recruit models used to estimate past and future run productivity. Due to the variability in Chinook salmon runs, management actions, and harvest, annual monitoring of the subsistence Chinook salmon harvest is needed.
Book Synopsis Genetic Stock Identification of Alaska Chinook Salmon by : Penelope Ann Crane
Download or read book Genetic Stock Identification of Alaska Chinook Salmon written by Penelope Ann Crane and published by . This book was released on 1996 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic Stock Identification of Alaska Chinook Salmon by : Lisa Wishard Seeb
Download or read book Genetic Stock Identification of Alaska Chinook Salmon written by Lisa Wishard Seeb and published by . This book was released on 1995 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic Stock Identification of Kuskokwim Area Chinook Salmon by :
Download or read book Genetic Stock Identification of Kuskokwim Area Chinook Salmon written by and published by . This book was released on 2011 with total page 55 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic Stock Identification of Kuskokwim River Chinook Salmon, Oncorhynchus Tshawytscha by : Douglas E. Palmer
Download or read book Genetic Stock Identification of Kuskokwim River Chinook Salmon, Oncorhynchus Tshawytscha written by Douglas E. Palmer and published by . This book was released on 1991 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
