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Genetic Stock Identification Of Sockeye And Chum Salmon From Bristol Bay Alaska
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Book Synopsis Genetic Stock Identification of Sockeye and Chum Salmon from Bristol Bay, Alaska by : Richard L. Wilmot
Download or read book Genetic Stock Identification of Sockeye and Chum Salmon from Bristol Bay, Alaska written by Richard L. Wilmot and published by . This book was released on 1988 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tissue samples from eleven sockeye salmon populations and six chum salmon populations were collected in 1987 from nine rivers and six lake creeks in the Bristol Bay drainage.
Book Synopsis Sockeye Salmon Baseline for the Western Alaska Salmon Stock Identification Project by : Tyler H. Dann
Download or read book Sockeye Salmon Baseline for the Western Alaska Salmon Stock Identification Project written by Tyler H. Dann and published by . This book was released on 2012 with total page 121 pages. Available in PDF, EPUB and Kindle. Book excerpt: Uncertainty about the magnitude, frequency, location, and timing of the nonlocal harvest of sockeye and chum salmon in Western Alaska fisheries was the impetus for the Western Alaska Salmon Stock Identification Project (WASSIP). The project was designed to use genetic data in mixed stock analysis (MSA) to reduce this uncertainty. A baseline of allele frequencies is required for use in mixed stock analysis to estimate the stock of origin of harvested fish. This report describes the methodology we used to understand the population genetic structure and build a baseline for use in MSA, describes the performance of the baseline for MSA, and provides guidance on how to interpret biases documented in the MSA tests when evaluating future stock composition estimates of WASSIP mixtures.
Book Synopsis Chum Salmon Baseline for the Western Alaska Salmon Stock Identification Program by : Nicholas A. Decovich
Download or read book Chum Salmon Baseline for the Western Alaska Salmon Stock Identification Program written by Nicholas A. Decovich and published by . This book was released on 2012 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: Uncertainty about the magnitude, frequency, location, and timing of the nonlocal harvest of sockeye and chum salmon was the impetus for the Western Alaska Salmon Stock Identification Program. The program was designed to use genetic data in mixed stock analysis to reduce this uncertainty. A baseline of allele frequencies in spawning populations is required for use in mixed-stock analysis to estimate the stock of origin of harvested fish. This report describes the methodology used to understand the population genetic structure among chum salmon populations and to build and test a baseline for use in mixed stock analysis of chum salmon. Of the 35,921 fish from 434 collections selected to be genotyped, the final baseline was composed of 32,817 fish from 402 collections representing 310 populations. Average population sample size was 106 fish. Reporting groups were determined through a combination of stakeholder needs and identifiability using genetic information, as measured using proof tests. The final reporting groups included Asia, Kotzebue Sound, Coastal Western Alaska, Upper Yukon River, Northern District (Alaska Peninsula), Northwest District (Alaska Peninsula), South Peninsula (Alaska Peninsula), Chignik/Kodiak, and East of Kodiak.
Book Synopsis Genetic Stock Composition of the Commercial Harvest of Sockeye Salmon in Bristol Bay, Alaska, 2009 by : Tyler H. Dann
Download or read book Genetic Stock Composition of the Commercial Harvest of Sockeye Salmon in Bristol Bay, Alaska, 2009 written by Tyler H. Dann and published by . This book was released on 2011 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Bristol Bay Management Area supports the largest sockeye salmon Oncorhynchus nerka fishery in the world. Alaska Department of Fish and Game is responsible for managing fisheries under the sustained-yield principle. Sockeye salmon stocks in Bristol Bay can be exploited at rates up to 80%, so accurately estimating the stock composition of catch is critical to determining the total run (catch and escapement) of each stock. Accurate estimates of total runs are vital for managing under the sustained-yield principle because they provide the basis for establishing and meeting escapement goals. In recent years, the department has developed a genetics program for sockeye salmon in Bristol Bay to develop and apply genetics methods to identify the stock composition of commercial catch in the five commercial fishing districts. Here we present genetic results from 2009, compare them to results from 2006 through 2008, and to those based on traditional age-based methods"--P. 1.
Book Synopsis Genetic Stock Composition of the Commercial Harvest of Sockeye Salmon in Southeastern District Mainland, Alaska Peninsula Management Area, 2010-2012 by : Tyler H. Dann
Download or read book Genetic Stock Composition of the Commercial Harvest of Sockeye Salmon in Southeastern District Mainland, Alaska Peninsula Management Area, 2010-2012 written by Tyler H. Dann and published by . This book was released on 2012 with total page 89 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Southeastern District Mainland (SEDM) commercial salmon fishery occurs in the Alaska Peninsula Management Area, Westward Region, is regulated based upon a board-approved management plan, and has allocative constraints between June 1 and July 25 based upon the abundance of Chignik River sockeye salmon. Significant controversy has persisted between SEDM and Chignik Management Area fishermen concerning the estimate of Chignik-bound sockeye salmon harvested in the fishery. Western Alaska Salmon Stock Identification Program used mixed stock analysis (MSA) to determine stock of origin of sockeye (and chum salmon) in commercial and subsistence fisheries throughout Western Alaska from 2006 to 2009. As a result of low returns to the Chignik River during these years, the SEDM fishery was often closed and few samples were collected for analysis. This study was designed to fill in those holes and estimate stock proportions and stock-specific harvests of sockeye salmon sampled from the SEDM fishery.
Book Synopsis Biochemical Genetic Variation in Sockeye Salmon by : Stewart Grant
Download or read book Biochemical Genetic Variation in Sockeye Salmon written by Stewart Grant and published by . This book was released on 1977* with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Summarizes a two year effort to explore the feasibility of using biochemical genetic variation detected by electrophoresis to identify the origin of sockeye salmon (Oncorhynchus nerka) caught in commercial fisheries."--Leaf [1].
Download or read book MMS. written by and published by . This book was released on 1989 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the Gulf of Alaska, Cook Inlet, and North Aleutian Basin Information Update Meeting by : Laurie E. Jarvela
Download or read book Proceedings of the Gulf of Alaska, Cook Inlet, and North Aleutian Basin Information Update Meeting written by Laurie E. Jarvela and published by . This book was released on 1989 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stock Composition of Sockeye Salmon Harvests in Fisheries of the Western Alaska Salmon Stock Identification Program (WASSIP), 2006-2008 by : Tyler H. Dann
Download or read book Stock Composition of Sockeye Salmon Harvests in Fisheries of the Western Alaska Salmon Stock Identification Program (WASSIP), 2006-2008 written by Tyler H. Dann and published by . This book was released on 2012 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: Uncertainty about the magnitude, frequency, location, and timing of stock-specific sockeye and chum salmon harvest in Western Alaska fisheries was the impetus for the Western Alaska Salmon Stock Identification Program (WASSIP). The program was designed to use genetic data in mixed stock analysis of fisheries samples to more clearly describe harvest patterns of sockeye and chum salmon stocks in western Alaska fisheries (from Chignik Area to Kuskokwim Area for sockeye salmon). Stock composition estimates for temporal strata across fisheries are required to estimate stock-specific harvest numbers and rates. This report describes the methodology used to estimate stock compositions for sockeye salmon, presents stock composition estimates, and provides guidance on how to interpret biases documented in the genetic baseline.
Book Synopsis Genetic Stock Composition of Chum Salmon Harvested in Commercial Salmon Fisheries of the South Alaska Peninsula, 2022-2026 by : M. Birch Foster
Download or read book Genetic Stock Composition of Chum Salmon Harvested in Commercial Salmon Fisheries of the South Alaska Peninsula, 2022-2026 written by M. Birch Foster and published by . This book was released on 2022 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: The primary goal of this study is to use mixed stock analysis to estimate the stock composition of chum salmon Oncorhynchus keta harvested in South Alaska Peninsula Management Area (southern portion of Area M) commercial salmon fisheries during the 2022 to 2026 seasons. Relatively large harvests of chum salmon in South Alaska Peninsula fisheries in recent years corresponding with small returns of chum salmon to Western Alaska rivers has raised concerns among some stakeholders about the stock-specific harvests in South Alaska Peninsula fisheries. Salmon tagging studies published in 1926, 1964, and 1991 and subsequent genetic stock identification projects conducted in 1993-1996 and 2007-2009 demonstrated significant numbers of non-local chum salmon in the June and early July commercial fisheries of the South Alaska Peninsula. Presently, some stakeholders believe that relative abundances among stocks in the fishery have changed since stock-specific chum harvests were last estimated in South Alaska Peninsula harvests as part of the Western Alaska Salmon Stock Identification Program (WASSIP) in 2007-2009. An updated study that accurately and precisely estimates stock-specific harvests would help resolve these concerns and provide valuable management information regarding the gear- and temporal-specific harvests of chum salmon in select South Peninsula fisheries. This operational plan provides the Alaska Department of Fish and Game (ADF&G) with a sampling and genetic analysis plan to achieve that overall goal.
Book Synopsis Chum Salmon Genetic Stock Identification by : David R. Sarafin
Download or read book Chum Salmon Genetic Stock Identification written by David R. Sarafin and published by . This book was released on 1995 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summarizes the chum salmon GSI (genetic stock identification) sampling undertaken at the processing plants in King Cove and Sand Point, Alaska, in 1994. Catches delivered to the former were from the South Unimak fishing ground predominantly; those to latter from the Shumagin Islands ground.
Book Synopsis Genetic Stock Composition of the Commercial Harvest of Sockeye Salmon in Bristol Bay, Alaska, 2006-2008 by : Tyler H. Dann
Download or read book Genetic Stock Composition of the Commercial Harvest of Sockeye Salmon in Bristol Bay, Alaska, 2006-2008 written by Tyler H. Dann and published by . This book was released on 2009 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chum Salmon Genetic Stock Identification by : David R. Sarafin
Download or read book Chum Salmon Genetic Stock Identification written by David R. Sarafin and published by . This book was released on 1995 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summarizes the chum salmon GSI (genetic stock identification) sampling undertaken at the processing plant in King Cove, Alaska, in 1993. The status of similar sampling throughout Alaska is provided; as is a description of the sampling procedure.
Book Synopsis Genetic Stock Identification of Chum Salmon (Onchorhynchus Keta) from the Yukon River District 5 Subsistence Fishery by : William J. Spearman
Download or read book Genetic Stock Identification of Chum Salmon (Onchorhynchus Keta) from the Yukon River District 5 Subsistence Fishery written by William J. Spearman and published by . This book was released on 1997 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chum Salmon Genetic Stock Identification by : Dan Gray
Download or read book Chum Salmon Genetic Stock Identification written by Dan Gray and published by . This book was released on 1996 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summarizes the chum salmon GSI (genetic stock identification) sampling undertaken at processing plants in King Cove and Sand Point, Alaska, in 1996.
Book Synopsis Genetic Stock Identification of McDonald Lake Sockeye Salmon in Selected Southeast Alaska Fisheries, 2007-2009 by : Sara Ellen Gilk
Download or read book Genetic Stock Identification of McDonald Lake Sockeye Salmon in Selected Southeast Alaska Fisheries, 2007-2009 written by Sara Ellen Gilk and published by . This book was released on 2013 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Harvest and Harvest Rates of Sockeye Salmon Stocks in Fisheries of the Western Alaska Salmon Stock Identification Program (WASSIP), 2006-2008 by : Christopher Habicht
Download or read book Harvest and Harvest Rates of Sockeye Salmon Stocks in Fisheries of the Western Alaska Salmon Stock Identification Program (WASSIP), 2006-2008 written by Christopher Habicht and published by . This book was released on 2012 with total page 751 pages. Available in PDF, EPUB and Kindle. Book excerpt: Uncertainty about the magnitude, frequency, location, and timing of stock-specific sockeye and chum salmon harvest in western Alaska fisheries was the impetus for the Western Alaska Salmon Stock Identification Program (WASSIP). The program was designed to use genetic data in mixed stock analysis (MSA) of fisheries samples to more clearly describe harvest patterns of sockeye and chum salmon stocks in western Alaska fisheries. This report reviews the history of WASSIP, summarizes the memorandum of understanding as the guiding document for the program, and reviews participation and contributions of the Advisory Panel and Technical Committee to the program. Brief descriptions of WASSIP sockeye fisheries are provided and previous sockeye tagging and stock identification studies are reviewed. We describe the methodology used to estimate stock-specific harvests and harvest rates for sockeye salmon, report these estimates, and provide guidance on interpretation of results. These results provide the most comprehensive examination of stock-specific harvest and harvest rates across western Alaska sockeye salmon fisheries ever attempted.
