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Estimation Of The Abundance Of Chinook Salmon Oncorhynchus Tshawytscha In The Upper Yukon River Basin Using Mark Recapture Methods 1990 1995
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Book Synopsis Estimation of the Abundance of Chinook Salmon (Oncorhynchus Tshawytscha) in the Upper Yukon River Basin Using Mark-recapture Methods, 1990-1995 by : Johnson, Y
Download or read book Estimation of the Abundance of Chinook Salmon (Oncorhynchus Tshawytscha) in the Upper Yukon River Basin Using Mark-recapture Methods, 1990-1995 written by Johnson, Y and published by Whitehorse, Yukon : Fisheries and Oceans Canada. This book was released on 2002 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Estimation of the Abundance of Chinook Salmon, Oncorhynchus Tshawytscha, in the Upper Yukon River Basin Using Mark-recapture Methods, 1990-95 by :
Download or read book Estimation of the Abundance of Chinook Salmon, Oncorhynchus Tshawytscha, in the Upper Yukon River Basin Using Mark-recapture Methods, 1990-95 written by and published by . This book was released on 2002 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fisheries & Oceans Canada has conducted mark-recapture studies on adult Yukon River chinook salmon since 1982. In some of these studies, up to 2,174 upstream migrants were spaghetti tagged annually at two fishwheels located just upstream from the Canada/US border. Recaptures were made in a commercial fishery upstream. This report presents results from the chinook mark-recapture program for 1990 to 1995. Background on the Yukon River, its chinook population & fishery, and mark-recapture & data analysis methods begins the report. Results are presented with regard to the biological characteristics of salmon captured, abundance estimates using three estimation methods, fishery catches & spawning escapement, harvest rates, and migration rates. The final section discusses problems with respect to the abundance estimators used and makes recommendations for further research.
Author :Canada. Department of Fisheries and Oceans. Pacific Region. Field Services Branch Publisher :New Westminster, B.C. : Fisheries and Oceans, Canada ISBN 13 : Total Pages :161 pages Book Rating :4.:/5 (1 download)
Book Synopsis The Distribution and Abundance of Chinook Salmon (Oncorhynchus Tshawytscha) in the Upper Yukon River Basin as Determined by a Radio-tagging and Spaghetti Tagging Program, 1982-1983 by : Canada. Department of Fisheries and Oceans. Pacific Region. Field Services Branch
Download or read book The Distribution and Abundance of Chinook Salmon (Oncorhynchus Tshawytscha) in the Upper Yukon River Basin as Determined by a Radio-tagging and Spaghetti Tagging Program, 1982-1983 written by Canada. Department of Fisheries and Oceans. Pacific Region. Field Services Branch and published by New Westminster, B.C. : Fisheries and Oceans, Canada. This book was released on 1985 with total page 161 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mark-recapture Abundance Estimates for Yukon River Chinook Salmon in 2004 by : Ted R. Spencer
Download or read book Mark-recapture Abundance Estimates for Yukon River Chinook Salmon in 2004 written by Ted R. Spencer and published by . This book was released on 2007 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discusses the abundance of adult chinook salmon, Oncorhynchus tshawytscha, passing by the village of Russian Mission, which was estimated in 2004 as part of a radiotelemetry study on the Yukon River.
Book Synopsis Mark-recapture Abundance Estimates for Yukon River Chinook Salmon in 2003 by : Ted R. Spencer
Download or read book Mark-recapture Abundance Estimates for Yukon River Chinook Salmon in 2003 written by Ted R. Spencer and published by . This book was released on 2006 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abundance of adult Chinook salmon Oncorhynchus tshawytscha passing by the village of Russian Mission was estimated in 2003 as part of a radio telemetry study on the Yukon River. Drift gillnets were used to capture 2,312 salmon at Russian Mission, 1,097 of which were marked with plastic spaghetti tags and esophageal radio transmitters. Marked fish were tracked upstream to spawning grounds. Chapman's modification of Petersen's closed-population, two-event mark-recapture experiment was used to estimate abundance. The second sampling event consisted of salmon spawning in select locations or caught in select fisheries representing populations that returned early (bound for Canada), late (bound for the Koyukuk River), and mid-run (bound for the Tanana River). Of the 36,032 large salmon (= 650 mm METF) involved in the second event, 146 carried transmitters for an estimated abundance of 261,545 chinook salmon. Diagnostic testing showed this estimate to be consistent. Bootstrap simulation was used to estimate the variance (SE=18,911).
Book Synopsis Mark-recapture Abundance Estimates for Yukon River Chinook Salmon in 2000-2004 by : Ted R. Spencer
Download or read book Mark-recapture Abundance Estimates for Yukon River Chinook Salmon in 2000-2004 written by Ted R. Spencer and published by . This book was released on 2009 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discusses the mark-recapture abundance estimates that were developed for Yukon River Chinook salmon as part of a basin-wide telemetry study conducted in 2000-2004.
Book Synopsis Estimation of Abundance and Distribution of Chinook Salmon in the Yukon River Using Mark-recapture and Radio Telemetry in 2000 and 2001 by : Ted R. Spencer
Download or read book Estimation of Abundance and Distribution of Chinook Salmon in the Yukon River Using Mark-recapture and Radio Telemetry in 2000 and 2001 written by Ted R. Spencer and published by . This book was released on 2003 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt: The goal of this multi-year (1999-2002) cooperative study between the Alaska Department of Fish and Game and the National Marine Fisheries Service was to determine the migratory characteristics and escapement distribution of Yukon River chinook salmon. Primary objectives in 2000 and 2001 were to assess and refine fish capture and radio-tracking methods for a full-scale program in 2002, and to estimate drainage-wide population size using mark-recapture techniques.
Book Synopsis The Distribution and Abundance of Chinook Salmon (Oncorhynchus Tshawytscha) in the Upper Yukon River Basin as Determined by a Radio-tagging and Spaghetti Tagging Program: 1982-1983 by : Canada. Department of Fisheries and Oceans
Download or read book The Distribution and Abundance of Chinook Salmon (Oncorhynchus Tshawytscha) in the Upper Yukon River Basin as Determined by a Radio-tagging and Spaghetti Tagging Program: 1982-1983 written by Canada. Department of Fisheries and Oceans and published by . This book was released on 1985 with total page 161 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Distribution and Abundance of Chinook Salmon (oncorhynchus Tshawytscha) in the Upper Yukon River Basin as Determined by a Radio Tagging Program by : P. A. Milligan
Download or read book The Distribution and Abundance of Chinook Salmon (oncorhynchus Tshawytscha) in the Upper Yukon River Basin as Determined by a Radio Tagging Program written by P. A. Milligan and published by . This book was released on 1985 with total page 161 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Distribution and Abundance of Chinook Salmon (Oncorhynchus Tshawytscha) in the Upper Yukon River Basin as Determined by a Radio-tagging and Spaghetti Tagging Program by : P. A. Milligan
Download or read book The Distribution and Abundance of Chinook Salmon (Oncorhynchus Tshawytscha) in the Upper Yukon River Basin as Determined by a Radio-tagging and Spaghetti Tagging Program written by P. A. Milligan and published by . This book was released on 1984 with total page 145 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mark-recapture Abundance Estimates for Yukon River Chinook Salmon in 2002 by : Ted R. Spencer
Download or read book Mark-recapture Abundance Estimates for Yukon River Chinook Salmon in 2002 written by Ted R. Spencer and published by . This book was released on 2005 with total page 39 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Abundance, Distribution, Habitat Utilization and Habitat Preference of Juvenile Chinook Salmon (Oncorhynchus Tshawytscha) in Three Study Areas of the Upper Yukon River Basin by : Robbin L. Hunka
Download or read book Abundance, Distribution, Habitat Utilization and Habitat Preference of Juvenile Chinook Salmon (Oncorhynchus Tshawytscha) in Three Study Areas of the Upper Yukon River Basin written by Robbin L. Hunka and published by . This book was released on 1988 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Estimating Adult Chinook Salmon Abundance on the Chilkat and Unuk Rivers Using Transgenerational Genetic Mark–recapture by : Randy L. Peterson
Download or read book Estimating Adult Chinook Salmon Abundance on the Chilkat and Unuk Rivers Using Transgenerational Genetic Mark–recapture written by Randy L. Peterson and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Transgenerational genetic mark–recapture (tGMR) methods will be used to estimate the spawning abundance of Chinook salmon Oncorhynchus tshawytscha at the Chilkat and Unuk Rivers in 2020 and 2021, respectively. Tissue samples from adults returning to the Chilkat River were collected in the summer of 2020 and from parr rearing in the Chilkat River in the fall of 2021. Lab work and data analysis will be completed in the winter of 2021–2022. Similarly, tissue samples from adults returning to the Unuk River were collected in the summer of 2021, and samples will be collected from parr in the fall of 2022. Lab work and data analysis will be completed in the winter of 2022–2023. These studies will be used to determine the feasibility of using tGMR to estimate escapement in Southeast Alaska by comparing tGMR abundance estimates to abundance estimates generated through existing field programs. This operational plan covers the lab and project reporting aspects of these projects. Primary data collection activities are described in the project-specific operational plans.
Book Synopsis Estimation of the Escapement of Chinook Salmon in the Unuk River in 2004 by : Jan L. Weller
Download or read book Estimation of the Escapement of Chinook Salmon in the Unuk River in 2004 written by Jan L. Weller and published by . This book was released on 2006 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report estimates the abundance of medium and large chinook salmon Oncorhynchus tshawytscha that returned to spawn in the Unuk River in 2004, using a two-event mark-recapture experiment.
Book Synopsis Inriver Abundance of Chinook Salmon in the Kuskokwim River, 2005 by : Lisa Ann Stuby
Download or read book Inriver Abundance of Chinook Salmon in the Kuskokwim River, 2005 written by Lisa Ann Stuby and published by . This book was released on 2006 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: A two-sample mark-recapture experiment was conducted to estimate inriver abundance of Chinook salmon Oncorhynchus tshawytscha in the middle and upper Kuskokwim River and associated tributaries using radiotelemetry techniques from June to August in 2005.
Book Synopsis Estimation of the Escapement of Chinook Salmon in the Unuk River in 2005 by : Jan L. Weller
Download or read book Estimation of the Escapement of Chinook Salmon in the Unuk River in 2005 written by Jan L. Weller and published by . This book was released on 2006 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report estimates the abundance of medium and large chinook salmon, Oncorhynchus tshawytscha, that returned to spawn in the Unuk River in 2005, using a two-event mark-recapture experiment.
Book Synopsis Inriver Abundance Kuskokwim River Chinook Salmon, 2014 by : Jordan Head
Download or read book Inriver Abundance Kuskokwim River Chinook Salmon, 2014 written by Jordan Head and published by . This book was released on 2017 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: We conducted a 2-sample mark-recapture experiment using radiotelemetry methods to estimate the abundance of adult Chinook salmon in the middle and upper Kuskokwim River in 2014. Fish were captured using drift gillnets and fish wheels in the mainstem Kuskokwim River at river kilometer (rkm) 270 near the community of Kalskag. Chinook salmon were marked with radio and T-bar anchor tags. Tagged fish were tracked throughout the study area using stationary and aerial telemetry methods. Four weirs located upriver from the tag site were used to recapture tagged Chinook salmon. The abundance of Chinook salmon upriver of rkm 294 was 61,255 (95% CI: 49,021-80,985).
