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The total in river return of early-run chinook salmon Oncorhynchus tshawytscha as estimated through hydroacoustic techniques was 18,403. Angler effort and harvest as estimated by a creel survey during the early (May and June) chinook salmon run were 173,842 angler hours and 5,634 chinook salmon, respectively, approximately 7% greater than the 1974-1993 mean. Release mortality was estimated at 128 fish. Spawning escapement, estimated by subtracting total fishing mortality from total inriver return, was 12,641. This escapement was 3,641 (40%) greater than stipulated by the Kenai River Early King Salmon Management Plan. The predominant age class of both the inriver return and the recreational harvest of early-run chinook salmon was age-1.4 fish. Migratory timing models were used to project spawning escapement during the 1994 fishery. No restrictions of the recreational fishery were required to achieve the escapement. A model based on sibling ratios was used to forecast the 1995 return at 16,020 (SE = 5,170) chinook salmon.
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Subjects
Statistics, Fish populations, Chinook salmon, Fishery resourcesPlaces
Kenai River, Alaska, Kenai River (Alaska)Showing 1 featured edition. View all 1 editions?
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1
Stock assessment of the return of early-run chinook salmon to the Kenai River, 1994
1995, Alaska Dept. of Fish and Game, Division of Sport Fish
in English
- [Rev.]
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Book Details
Edition Notes
"July 1995".
Includes bibliographical references (p. 26-29).
Also issued online.
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The Physical Object
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Feedback?January 18, 2010 | Edited by WorkBot | add subjects and covers |
December 11, 2009 | Created by WorkBot | add works page |