Abundance and Distribution of the Chinook Salmon Escapement on the Stikine River in 2005, and Production of Fish from Brood Year 1998 PDF Download
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Author: Philip Richards
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 71
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Author: Philip Richards
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 71
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Book Description
Author: Philip Richards
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 62
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Book Description
Reports on a cooperative study involving the Alaska Department Fish and Game, Department of Fisheries and Oceans Canada, and the Tahltan First Nation, which was conducted to estimate the number of spawning Chinook salmon Oncorhynchus tshawytscha in the Stikine River from 2006 to 2008.
Author: Kristin Courtney
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 45
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Book Description
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).
Author: John Aram Der Hovanisian
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 44
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Author: John Aram Der Hovanisian
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 44
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Author: Keith A. Pahlke
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 26
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Author:
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 178
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A cooperative study involving the Department of Fisheries and Oceans Canada, the Alaska Department of Fish and Game, and the Taku River Tlingit First Nation was conducted to estimate the number of spawning Chinook salmon Oncorhynchus tshawytscha in the Taku River in 2003 with a mark-recapture experiment. Fish were captured at Canyon Island on the lower Taku River with fish wheels from May through August and were individually marked with back-sewn, solid-core spaghetti tags. All tagged fish were also batch marked with an opercle punch plus removal of the left axillary appendage. Sampling on the spawning grounds in tributaries was used to estimate the fraction of the population that had been marked. The estimated spawning abundance of small Chinook salmon ( 400 mm long; mid-eye to fork of tail) was 3,489 (SE = 1,052). Spawning abundance of medium-size Chinook salmon (401-659 mm) was estimated to be 16,780 (SE = 2,274). Finally, spawning abundance of large-size fish (= 660 mm) was estimated to be 36,435 (SE = 6,705), and the estimated total of all fish was 56,704 (SE = 7,158). The sum of the peak aerial survey counts of large spawning Chinook salmon conducted at five index tributaries of the Taku River was 16% of the mark-recapture estimate. Age 1.3 fish (1998 brood year) constituted an estimated 40% of the spawning population, followed by age 1.2 fish (1999 brood year), which constituted an estimated 29% of the population
![Estimation of the Chickamamin [i.e., Chickamin] River Chinook Salmon Escapement in 2006-2008, 2002-2007 Smolt Abundance, and Marine Harvest Through 2008 of the 2000-2005 Broods PDF](https://books.google.com/books/content/images/frontcover/g7ZuQwAACAAJ?fife=w80-h100)
Author: Todd A. Johnson
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 44
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Author: Jan L. Weller
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 94
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Author: Robert D. Mecum
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 98
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