Estimated Contribution of Coded Wire Tagged Releases of Chinook Salmon (Oncorhynchus Tshawytscha) to the Commercial Fisheries of Southeastern Alaska in 1980 PDF Download
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Author: Scott L. Johnson
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 36
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Book Description
Author: Scott L. Johnson
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 36
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Book Description
Author: Robert Paul Marshall
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 47
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Book Description
Author: John E. Clark (fisheries biologist.)
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 44
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Book Description
Author:
Publisher:
ISBN:
Category : Fishery management
Languages : en
Pages : 50
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Book Description
Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 396
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Book Description
Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 624
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Book Description
Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 128
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Book Description
Author: Nick C. Parker
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 902
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Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 340
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Book Description
Author: Mark E. Stopha
Publisher:
ISBN:
Category : Fish hatcheries
Languages : en
Pages : 58
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Book Description
The salmon hatchery program in Alaska is governed by policies, plans, and regulations that emphasize protection of wild salmon stocks. A rotational series of hatchery evaluations will examine each hatchery for consistency with those policies and prescribed management practices. The evaluation includes a review of hatchery management plans and permits, an assessment of each hatchery program's consistency with statewide policies, and recommendations to address any deficiencies found. Management plans and permits were examined to determine whether they were current, consistent with each other, and accurately described hatchery operations. This report reviews the Port Armstrong salmon hatchery located in lower Chatham Strait in southeast Alaska. The hatchery was constructed in the early 1980's by owner Armstrong Keta, Incorporated, a non-profit corporation. The hatchery produces pink salmon Oncorhynchus gorbuscha, chum salmon O. keta, coho salmon O. kisutch and Chinook salmon O. tshawytscha primarily for commercial harvest. All releases to date are from the hatchery. All chum and pink salmon incubated at Port Armstrong Hatchery are thermal otolith-marked. A portion of the coho and Chinook salmon releases are marked with coded wire tags and adipose finclips. Chinook and coho salmon are sampled in the commercial and sport fisheries to assess hatchery contribution. A pilot project is underway to sample pink and chum salmon in the commercial fisheries to estimate contribution to the fisheries by Port Armstrong Hatchery. Spawning escapement goals for naturally spawning salmon stocks in systems near the hatchery and release sites have been met in most years of hatchery returns. The basic management plan for the hatchery should be updated with a description of current permit conditions and operations. Sampling in the common property fisheries for pink and chum salmon produced by Port Armstrong Hatchery will provide more accurate estimates of hatchery contribution than earlier estimates based on historical catch records.
