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Age Composition And Spawning Escapement Of Chinook Salmon In The Karluk Ayakulik And Chignik Rivers Alaska 1993 And 1994
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Book Synopsis Age Composition and Spawning Escapement of Chinook Salmon in the Karluk, Ayakulik and Chignik Rivers, Alaska, 1993 and 1994 by : Len J. Schwarz
Download or read book Age Composition and Spawning Escapement of Chinook Salmon in the Karluk, Ayakulik and Chignik Rivers, Alaska, 1993 and 1994 written by Len J. Schwarz and published by . This book was released on 1996 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Age Composition and Spawning Escapement of Chinook Salmon in the Karluk, Ayakulik and Chignik Rivers, Alaska, 1997 and 1998 by : Mark Clapsadl
Download or read book Age Composition and Spawning Escapement of Chinook Salmon in the Karluk, Ayakulik and Chignik Rivers, Alaska, 1997 and 1998 written by Mark Clapsadl and published by . This book was released on 2002 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Age Composition and Spawning Escapement of Chinook Salmon in the Karluk, Ayakulik and Chignik Rivers, Alaska, 1995 and 1996 by : Tim Motis
Download or read book Age Composition and Spawning Escapement of Chinook Salmon in the Karluk, Ayakulik and Chignik Rivers, Alaska, 1995 and 1996 written by Tim Motis and published by . This book was released on 1997 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Age Composition and Spawning Escapement of Chinook Salmon in Karluk, Ayakulik, and Chignik Rivers, Alaska, 2004-2005 by : Donn Tracy
Download or read book Age Composition and Spawning Escapement of Chinook Salmon in Karluk, Ayakulik, and Chignik Rivers, Alaska, 2004-2005 written by Donn Tracy and published by . This book was released on 2010 with total page 59 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Age Composition and Spawning Escapement of Chinook Salmon in Karluk, Ayakulik, and Chignik Rivers, Alaska, 1999-2003 by : Donn Tracy
Download or read book Age Composition and Spawning Escapement of Chinook Salmon in Karluk, Ayakulik, and Chignik Rivers, Alaska, 1999-2003 written by Donn Tracy and published by . This book was released on 2009 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Age Composition and Spawning Escapement of Chinook Salmon in the Karluk and Ayakulik Rivers, Alaska, 2008-2010 by : Julia S. Schmidt
Download or read book Age Composition and Spawning Escapement of Chinook Salmon in the Karluk and Ayakulik Rivers, Alaska, 2008-2010 written by Julia S. Schmidt and published by . This book was released on 2011 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Age Composition and Escapement of Chinook Salmon in the Karluk, Ayakulik, and Chignik Rivers, Alaska, 2006-2007 by : Donn Tracy
Download or read book Age Composition and Escapement of Chinook Salmon in the Karluk, Ayakulik, and Chignik Rivers, Alaska, 2006-2007 written by Donn Tracy and published by . This book was released on 2012 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fishery Data Series written by and published by . This book was released on 1997 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fall Chinook (Oncorhynchus Tshawytscha) by : Jim Waldvogel
Download or read book Fall Chinook (Oncorhynchus Tshawytscha) written by Jim Waldvogel and published by . This book was released on 2006 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: Age analysis for 22 years (1980 excluded) showed that the overall percentages for female spawners was 53% (4-year olds), 38% (3-year olds), and 9% (5-year olds). The age composition of male spawners showed a high degree of variability throughout the study. Male chinook of age 2, 3 and 4 were dominant annually, but 5- and 6- year old fish were present in most spawning seasons. All chinook carcasses from which scales were collected were also measured for length (over 120 samples in 22 years). Decreases in mean length were documented for all age classes for each of the El Nino episodes that occurred during the study (1982-1984; 1992-1993; 1997-1998). The decreases in mean length appeared to carry forward for each cohort's age class. The total number of chinook redds was tabulated by counting "fresh" redds during weekly spawning surveys. The mean number of redds was 117 for the 23-year period with a mean of 0.9 redds per adult salmon or 1.8 redds per female.
Book Synopsis Spawning Escapement of Chinook Salmon in the Stikine River, 2022–2024 by : Kristin Courtney
Download or read book Spawning Escapement of Chinook Salmon in the Stikine River, 2022–2024 written by Kristin Courtney and published by . This book was released on 2022 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt: The inriver abundance of large (fish =660 mm mid eye to tail fork [METF] length) Chinook salmon Oncorhynchus tshawytscha above the U.S./Canada border (border) will be estimated annually from 2022 to 2024 in the Stikine River, near Wrangell, Alaska. A modified Petersen 2-event mark–recapture project will be conducted using drift gillnets to mark large Chinook salmon in the first event, and collection of samples in the Canadian commercial fishery, Little Tahltan River video weir, and on the spawning grounds will serve as the second event. Additional project objectives are to a) estimate the annual spawning escapement of large Chinook salmon above the border, b) estimate the age, sex, and length composition of both the inriver run and spawning escapement, and c) estimate the proportion of large radiotagged Chinook salmon that cross the border. The Alaska Department of Fish and Game (ADF&G) and Fisheries and Oceans Canada (DFO) use these data to make terminal and regional management decisions, and the Pacific Salmon Commission (PSC) uses the data for coastwide management and stock assessment through the Chinook Technical Committee (CTC 2021).
Book Synopsis Abundance, Egg Production, and Age-sex-length Composition of the Chinook Salmon Escapement in the Salcha River, 1992 by : Cal Skaugstad
Download or read book Abundance, Egg Production, and Age-sex-length Composition of the Chinook Salmon Escapement in the Salcha River, 1992 written by Cal Skaugstad and published by . This book was released on 1993 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt: Examination of chinook salmon (Oncorhynchus tshawytscha) in the Salcha River near Fairbanks, in central Alaska, to estimate the return rate and the fish stocks.
Book Synopsis Postseason Sockeye and Chinook Salmon Escapement Estimates for the Karluk and Ayakulik Rivers and Dog Salmon Creek, 1998 by : Nicholas H. Sagalkin
Download or read book Postseason Sockeye and Chinook Salmon Escapement Estimates for the Karluk and Ayakulik Rivers and Dog Salmon Creek, 1998 written by Nicholas H. Sagalkin and published by . This book was released on 2000 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Abundance, Egg Production, and Age-sex-length Composition of the Chinook Salmon Escapement in the Salcha River, 1991 by :
Download or read book Abundance, Egg Production, and Age-sex-length Composition of the Chinook Salmon Escapement in the Salcha River, 1991 written by and published by . This book was released on 1992 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Number and Age Composition of Fall Chinook Salmon Spawning in Jack Creek, Chetco River by : Roland G. Montagne
Download or read book Number and Age Composition of Fall Chinook Salmon Spawning in Jack Creek, Chetco River written by Roland G. Montagne and published by . This book was released on 1970 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Smolt Abundance and Adult Escapement of Chinook Salmon in the Taku River, 2022-2024 by : Jeffrey T. Williams
Download or read book Smolt Abundance and Adult Escapement of Chinook Salmon in the Taku River, 2022-2024 written by Jeffrey T. Williams and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chinook salmon Oncorhynchus tshawytscha smolt abundance and adult escapement will be estimated for the Taku stock of Chinook salmon originating from the Canadian portions of the Taku River drainage above the U.S./Canada border. This large glacial river flows into Taku Inlet about 30 km northeast of Juneau, Alaska. A modified Petersen estimator will be used to estimate smolt abundance for the 2020-2022 brood years, which are the smolt leaving the system during 2022-2024. Chinook salmon smolt will be captured from April through June, systematically sampled to estimate mean length and weight, and all healthy fish will be implanted with a coded wire tag and marked with an adipose fin clip. Escapement of large (≥660 mm; mid eye to fork of tail) and medium (401-659 mm; mid eye to fork of tail) Taku River adult Chinook salmon in 2022-2024 will be estimated using mark-recapture methodology. Adult Chinook salmon will be captured and marked near Canyon Island in the lower Taku River using fish wheels and drift gillnets from late April through early August. Each healthy fish will be tagged with a uniquely numbered, solid-core spaghetti tag and two secondary marks will be applied. Fish will be sampled for data used in age, sex, and length composition estimates of the spawning escapement.
Book Synopsis Escapements of Chinook Salmon in Southeast Alaska and Transboundary Rivers in 2022 by : Philip Richards
Download or read book Escapements of Chinook Salmon in Southeast Alaska and Transboundary Rivers in 2022 written by Philip Richards and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Estimates of Chinook salmon Oncorhynchus tshawytscha spawning escapement in 2022 will be summarized for 11 Southeast Alaska river systems: Situk River, Alsek River, Chilkat River, Taku River, King Salmon River, Stikine River, Unuk River, Chickamin River, Blossom River, Keta River, and Andrew Creek. Spawning escapements will be estimated using aerial surveys, foot surveys, mark–recapture studies, and weirs. The Alaska Department of Fish and Game and Fisheries and Oceans Canada use these data, along with age composition data to make terminal and regional management decisions, and the Pacific Salmon Commission uses these data for coastwide management and stock assessment.
Book Synopsis Abundance, Egg Production, and Age-sex-length Composition of the Chinook Salmon Escapement in the Chena River, 1992 by : Matthew J. Evenson
Download or read book Abundance, Egg Production, and Age-sex-length Composition of the Chinook Salmon Escapement in the Chena River, 1992 written by Matthew J. Evenson and published by . This book was released on 1992 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt: Examination of Chinook salmon (Oncorhynchus tshawytscha) in the Chena River near Fairbanks, in central Alaska, to determine the return rate and to estimate fish stocks.
