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Sampling Instructions For Genetic Stock Identification Of Southeast Alaska Chinook Salmon
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Book Synopsis Sampling Instructions for Genetic Stock Identification of Southeast Alaska Chinook Salmon by : Alaska. Division of Commercial Fisheries. Gene Conservation Laboratory
Download or read book Sampling Instructions for Genetic Stock Identification of Southeast Alaska Chinook Salmon written by Alaska. Division of Commercial Fisheries. Gene Conservation Laboratory and published by . This book was released on 200? with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic Stock Identification of Southeast Alaska Chinook Salmon Fishery Catches by : Penelope Ann Crane
Download or read book Genetic Stock Identification of Southeast Alaska Chinook Salmon Fishery Catches written by Penelope Ann Crane and published by . This book was released on 2000 with total page 55 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study objective was to estimate the relative contribution of genetic groups of chinook salmon sampled from the summer 1998 salmon troll fishery in Southeast Alaska.
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 Recommendations for Application of Genetic Stock Identification (GSI) Methods to Management of Ocean Salmon Fisheries by : Pacific Salmon Commission. GSI Steering Committee
Download or read book Recommendations for Application of Genetic Stock Identification (GSI) Methods to Management of Ocean Salmon Fisheries written by Pacific Salmon Commission. GSI Steering Committee and published by . This book was released on 2008 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic Stock Composition Analysis of the Chinook Salmon Bycatch Samples from the 2016 Gulf of Alaska Trawl Fisheries by : Charles. M. Guthrie
Download or read book Genetic Stock Composition Analysis of the Chinook Salmon Bycatch Samples from the 2016 Gulf of Alaska Trawl Fisheries written by Charles. M. Guthrie and published by . This book was released on 2018 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: A genetic analysis of samples from the Chinook salmon (Oncorhynchus tshawytscha) Prohibited Species Catch (bycatch) of the 2016 Gulf of Alaska (GOA) trawl fisheries for walleye pollock (Gadus chalcogrammus) and rockfish (Sebastes spp.), was undertaken to determine the stock composition of the sample sets. Samples were genotyped for 43 single nucleotide polymorphism (SNP) DNA markers and results were estimated using the Alaska Department of Fish and Game SNP baseline. In 2016, genetic samples were collected from Chinook salmon taken in the bycatch of the GOA pollock trawl fisheries using a simple random sample protocol with trip being the primary unit. This was the third year for this sampling protocol and which resulted in the largest available genetic sample set to date with 24% of the estimated salmon bycatch from the pollock fishery successfully genotyped. Based on analysis of 4,962 Chinook salmon bycatch samples, British Columbia (42%), West Coast US (40%), and Coastal Southeast Alaska (15%) comprised the largest stock groups, at an estimated 8,602, 8,301, and 3,080 Chinook salmon, respectively, out of 20,589 fish total. In 2016, genetic samples from the bycatch of the GOA rockfish CV fishery were collected by the fishing industry using a census sampling protocol. Based on the genotyping of 493 Chinook salmon bycatch samples collected from this fishery in NMFS Statistical Areas 620 and 630, West Coast US stocks represented the largest stock group (62%) with smaller contributions from British Columbia (27%), Coastal Southeast Alaska (7%), and Northwest GOA (4%) stock groups.
Book Synopsis Genetic Stock Composition Analysis of the Chinook Salmon Bycatch Samples from the 2014 Gulf of Alaska Trawl Fishery by : Charles. M. Guthrie
Download or read book Genetic Stock Composition Analysis of the Chinook Salmon Bycatch Samples from the 2014 Gulf of Alaska Trawl Fishery written by Charles. M. Guthrie and published by . This book was released on 2016 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt: A genetic analysis of samples from the Chinook salmon (Oncorhynchus tshawytscha) bycatch of the 2014 Gulf of Alaska (GOA) trawl fisheries for walleye pollock (Gadus chalcogrammus), rockfish (Sebastes spp.), and arrowtooth flounder (Atheresthes stomias) was undertaken to determine the stock composition of the sample sets. Samples were genotyped for 43 single nucleotide polymorphism (SNP) DNA markers and results were estimated using the Alaska Department of Fish and Game (ADF&G) SNP baseline. In 2014, genetic samples were collected from Chinook salmon taken in the bycatch of the Gulf of Alaska (GOA) pollock trawl fisheries using a simple random sample protocol with trip being the primary unit. This is the first year for this sampling protocol and resulted in the largest available genetic sample set to date with 10.7% of the salmon bycatch successfully genotyped. Based on the analysis of 1,163 Chinook salmon bycatch samples, British Columbia (43%), West Coast U.S. (35%), Coastal Southeast Alaska (16%), and Northwest Gulf of Alaska stocks (5%) comprised the largest stock groups. Weighting the available sample sets to the total bycatch by season and statistical area did not appreciably change the overall stock composition. In 2014, genetic samples from the bycatch of the rockfish catcher vessel (CV) fishery in the central GOA were collected by the fishing industry using a census sampling protocol where every Chinook salmon encountered was sampled. Based on the genotyping of 398 Chinook salmon bycatch samples collected from the 2014 GOA rockfish CV trawl fishery in NMFS Statistical Areas 620 and 630, West Coast U.S. stocks (WA/OR/CA) represented the largest stock grouping (72%) with smaller contributions from British Columbia (17%), Coastal Southeast Alaska (7%), and Northwest GOA (3%) stocks. Based on the genotyping of 404 Chinook salmon bycatch samples collected throughout the 2014 GOA arrowtooth flounder trawl fishery from the catcher-processors (CP) FV Vaerdal and FV US Intrepid; West Coast U.S. stocks (WA/OR/CA) represented the largest stock grouping (51%) with smaller contributions from British Columbia (36%), Coastal Southeast Alaska (10%), Northeast GOA (2%) and Northwest GOA (2%) stocks. [doi:10.7289/V5/TM-AFSC-311 (http://dx.doi.org/10.7289/V5/TM-AFSC-311)]
Book Synopsis Chignik River Sockeye Salmon Genetic Stock Identification Sampling Operational Plan, 2021 by : Michelle Stratton
Download or read book Chignik River Sockeye Salmon Genetic Stock Identification Sampling Operational Plan, 2021 written by Michelle Stratton and published by . This book was released on 2021 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: This project will continue the Genetic Stock Identification (GSI) project on sockeye salmon escaping through the Chignik weir following protocol established by the Gene Conservation Laboratory (GCL) of the Alaska Department of Fish and Game (ADF&G). Concurrent with ASL sampling, 190 fish at each of 6 strata (1,140 total samples) during the transition period will have the left axillary process collected and sent to Anchorage for analysis for post-season stock apportionment of Chignik River early- and late-run sockeye salmon.
Book Synopsis Evolution of Observer Methods to Obtain Genetic Material from Chinook Salmon Bycatch in the Alaska Pollock Fishery by : Craig Howard Faunce
Download or read book Evolution of Observer Methods to Obtain Genetic Material from Chinook Salmon Bycatch in the Alaska Pollock Fishery written by Craig Howard Faunce and published by . This book was released on 2015 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: A well-designed sampling program addresses specified objectives under the realities of limited resources. Chinook salmon (Oncorhynchus tshawytscha) is a species of great importance to the people of the North Pacific. Concerns over the bycatch of this species have led to actions that increase the monitoring and data requirements for the trawl pollock (Gadus chalcogrammus) fisheries of Alaska. Since 2005, the North Pacific Observer Program (observer program) has collected tissues from Chinook salmon bycatch for genetic stock composition analysis. The sampling design used to collect these tissues has changed in response to regulations that dictate how observers are deployed into the fleet. In 2011, a systematic random sampling (SYS) of individual bycatch salmon from every trawl pollock delivery was adopted by the observer program. This method requires that a census of Chinook salmon bycatch is achieved. However, regulations that enable the observer program to confidently achieve a census are lacking for the Gulf of Alaska (GOA) compared to the Bering Sea and Aleutian Islands. Consequently, a census of pollock deliveries was not obtained in the GOA during 2012 or 2013. Restructure of the observer program in 2013 eliminated fixed regulations governing partial observer coverage allowing for alternative sampling designs to be explored. Simulations using seasonal data show that an alternative simple random sampling (SRS) method would have consistently resulted in the collection of more genetic tissues at a lower cost than SYS. The SRS was formally incorporated into the 2014 and 2015 sampling design of the observer program for the GOA. The new annual process of making revisions to the observer program based on priorities and policy allows for rapid changes to the observer sampling design to meet genetic stock composition analyses and other fishery management needs.
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 Chignik River Sockeye Salmon Genetic Stock Identification Sampling Operational Plan, 2020 by : Michelle Stratton
Download or read book Chignik River Sockeye Salmon Genetic Stock Identification Sampling Operational Plan, 2020 written by Michelle Stratton and published by . This book was released on 2020 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: This project will continue the Genetic Stock Identification (GSI) project on sockeye salmon escaping through the Chignik weir following protocol established by the Gene Conservation Laboratory (GCL) of the Alaska Department of Fish and Game (ADF&G). Concurrent with ASL sampling, 190 fish at each of 6 strata (1,140 total samples) during the transition period will have the left axillary process collected and sent to Anchorage for analysis for post-season stock apportionment of Chignik River early- and late-run sockeye salmon.
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 Analysis of Chinook Salmon Bycatch Samples from the Rockfish and Arrowtooth Flounder 2013 Gulf of Alaska Trawl Fisheries and the Gulf of Alaska Salmon Excluder Device Test by : Jeffrey Robert Guyon
Download or read book Genetic Stock Composition Analysis of Chinook Salmon Bycatch Samples from the Rockfish and Arrowtooth Flounder 2013 Gulf of Alaska Trawl Fisheries and the Gulf of Alaska Salmon Excluder Device Test written by Jeffrey Robert Guyon and published by . This book was released on 2015 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: A genetic analysis of samples from the Chinook salmon (Oncorhynchus t shawytscha) bycatch of the 2013 Gulf of Alaska (GOA) trawl fisheries for Pacific rockfish (Sebastes spp.) and arrowtooth (Atheresthes stomias) flounder was undertaken to determine the stock composition of the sample sets. Samples were genotyped for 43 single nucleotide polymorphism (SNP) DNA markers and results were estimated using the Alaska Department of Fish and Game (ADF&G) SNP baseline. In 2013, genetic samples from the bycatch of the GOA rockfish fishery were collected by the fishing industry using a census sampling protocol where every Chinook salmon encountered was sampled. Based on the analysis of 2,029 Chinook salmon bycatch samples collected throughout the 2013 GOA rockfish trawl fishery, West Coast U.S. stocks (WA/OR/CA) represented the larges t stock grouping (60%) with smaller contributions from British Columbia (31%), Coastal Southeast Alaska (6%), and Northwest GOA (2%) stocks. Genetic samples were also collected from Chinook salmon taken in the bycatch of the 2013 GOA arrowtooth flounder tr awl fisheries. Those samples were collected opportunistically from a single vessel; consequently, the resulting stock composition estimates should be considered as stock compositions of the sample set rather than a representative composition of the overall bycatch. Based on the analysis of 279 Chinook salmon bycatch samples, West Coast U.S. (43%), British Columbia (39%), Coastal Southeast Alaska 14%), and Northwest GOA (3%) stocks comprised the largest stock groups. We also produced a stock composition estimate of Chinook salmon from a single test haul of the salmon excluder device performed in April 2013 in an area near Kodiak Island in Shelikof Strait. Stock composition results showed that the majority of those 95 Chinook salmon originated from West Coast U.S. (79%), British Columbia (17%), and Coastal Southeast Alaska (3%) stocks.
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 Composition Analysis of the Chinook Salmon Bycatch Samples from the 2015 Gulf of Alaska Trawl Fisheries by : Charles. M. Guthrie
Download or read book Genetic Stock Composition Analysis of the Chinook Salmon Bycatch Samples from the 2015 Gulf of Alaska Trawl Fisheries written by Charles. M. Guthrie and published by . This book was released on 2017 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: A genetic analysis of samples from the Chinook salmon (Oncorhynchus tshawytscha) bycatch of the 2015 Gulf of Alaska (GOA) trawl fisheries for walleye pollock (Gadus chalcogrammus), rockfish (Sebastes spp.), and arrowtooth flounder (Atheresthes stomias) was undertaken to determine the stock composition of the sample sets. Samples were genotyped for 43 single nucleotide polymorphism (SNP) DNA markers and results were estimated using the Alaska Department of Fish and Game (ADF&G) SNP baseline. In 2015, genetic samples were collected from Chinook salmon taken in the bycatch of the Gulf of Alaska (GOA) pollock trawl fisheries using a simple random sample protocol with trip being the primary unit. This is the second year for this sampling protocol and resulted in the largest available genetic sample set to date with 17.8% of the salmon bycatch successfully genotyped. Based on the analysis of 2,414 Chinook salmon bycatch samples, British Columbia (51%), West Coast U.S. (32%), Coastal Southeast Alaska (14%), and Northwest Gulf of Alaska stocks (3%) comprised the largest stock groups. In 2015, genetic samples from the bycatch of the GOA rockfish catcher vessel (CV) fishery were collected by the fishing industry using a census sampling protocol where every Chinook salmon encountered was sampled. Based on the genotyping of 635 Chinook salmon bycatch samples collected from the 2015 GOA rockfish CV trawl fishery in NMFS Statistical Areas 620 and 630, West Coast U.S. stocks (WA/OR/CA) represented the largest stock grouping (73%) with smaller contributions from British Columbia (19%), Coastal Southeast Alaska (5%), and Northwest GOA (3%) stocks. Based on the genotyping of 300 Chinook salmon bycatch samples collected throughout the 2015 GOA arrowtooth flounder trawl fishery from the catcher processors (CP), West Coast U.S. stocks (WA/OR/CA) represented the largest stock grouping. [doi:10.7289/V5/TM-AFSC-343 (http://dx.doi.org/10.7289/V5/TM-AFSC-343)]
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 Composition Analysis of Chinook Salmon Bycatch Samples from the 2011 Bering Sea and Gulf of Alaska Trawl Fisheries by : Charles. M. Guthrie
Download or read book Genetic Stock Composition Analysis of Chinook Salmon Bycatch Samples from the 2011 Bering Sea and Gulf of Alaska Trawl Fisheries written by Charles. M. Guthrie and published by . This book was released on 2013 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: A genetic analysis of samples from the Chinook salmon (Oncorhynchus tshawytscha) bycatch of the 2011 Bering Sea-Aleutian Island (BSAI) and Gulf of Alaska (GOA) pollock trawl fisheries was undertaken to determine the stock composition of the sample set. Samples were genotyped for 43 single nucleotide polymorphism (SNP) DNA markers and results were estimated using the Alaska Department of Fish and Game (ADF&G) SNP baseline. In 2011, genetic samples from the Bering Sea were collected using a systematic random sampling protocol from one out of every 10 Chinook salmon encountered. Based on the analysis of 2,473 Chinook salmon bycatch samples collected throughout the 2011 BSAI walleye pollock (Theragra chalcogramma) trawl fishery, Coastal Western Alaska stocks dominated the sample set (68%) with smaller contributions from North Alaska Peninsula (9%), British Columbia (8%), and U.S. west coast (6%) stocks. Analysis of temporal groupings within the pollock "A" and "B" seasons revealed changes in stock composition during the course of the year with lower contributions of North Alaska Peninsula and Yukon River stocks during the "B" season. Genetic samples were also collected from Chinook salmon taken in the bycatch of the 2011 Gulf of Alaska (GOA) pollock trawl fisheries. In contrast with the Bering Sea, genetic samples were collected opportunistically in the GOA during 2011; consequently, the resulting stock composition estimates should be considered as stock compositions of the sample set rather than a representative composition of the entire GOA Chinook salmon bycatch. Based on the analysis of 240 Chinook salmon bycatch samples, British Columbia (40%) and U.S. west coast (26%) stocks comprised the largest stock groups with smaller contributions from Northwest GOA (15%) and Coastal Southeast Alaska (14%) stocks.
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.
