Monitoring the Migrations of Wild Snake River Spring/summer Chinook Salmon Smolts, 1999 PDF Download
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Author:
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 87
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Author:
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 87
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Stephen Achord
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 72
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Author:
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages :
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Author:
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ISBN:
Category :
Languages : en
Pages : 183
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We PIT tagged wild spring/summer chinook-salmon parr in the Snake River Basin in 1994 and subsequently monitored these fish during their smolt migration through Lower Granite, Little Goose, Lower Monumental, McNary, John Day, and Bonneville Darns during spring, summer, and fall 1995. This report details our findings. The goals of this study are to (1) characterize the migration timing of different wild stocks of Snake River spring/summer chinook salmon smolts at dams on the Snake and Columbia Rivers, (2) determine if consistent patterns are apparent, and (3) determine what environmental factors influence migration timing.
Author: Eric E. Hockersmith
Publisher:
ISBN:
Category :
Languages : en
Pages : 102
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This report details the 2002 results from an ongoing project to monitor the migration behavior of wild spring/summer chinook salmon smolts in the Snake River Basin. The report also discusses trends in the cumulative data collected for this project from Oregon and Idaho streams since 1989. The project was initiated after detection data from passive-integrated-transponder tags (PIT tags) had shown distinct differences in migration patterns between wild and hatchery fish for three consecutive years. National Marine Fisheries Service (NMFS) investigators first observed these differences in 1989. The data originated from tagging and interrogation operations begun in 1988 to evaluate smolt transportation for the U.S. Army Corps of Engineers. In 1991, the Bonneville Power Administration began a cooperative effort with NMFS to expand tagging and interrogation of wild fish. Project goals were to characterize the outmigration timing of these fish, to determine whether consistent migration patterns would emerge, and to investigate the influence of environmental factors on the timing and distribution of these migrations. In 1992, the Oregon Department of Fish and Wildlife (ODFW) began an independent program of PIT tagging wild chinook salmon parr in the Grande Ronde and Imnaha River Basins in northeast Oregon. Since then, ODFW has reported all tagging, detection, and timing information on fish from these streams. However, with ODFW concurrence, NMFS will continue to report arrival timing of these fish at Lower Granite Dam.
Author:
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 104
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Book Description
Author: Stephen Achord
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 82
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Book Description
Author: Stephen Achord
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 100
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Book Description
Author: Stephen Achord
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 179
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