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126 - 150 of 596 Items << < 1 2 3 4 5 6 7 8 9 10 > >>
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Snake River sockeye salmon Oncorhynchus nerka, listed under U.S. law as endangered in 1991 in response to a decline in anadromous adult numbers, spend their first 1–2 years in Redfish Lake, Idaho, before migrating to the sea. To determine how...
1998-01-01
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This report deals with the streams in Area IV Area IV includes all tributaries entering the Columbia River from the south and east in the 120 miles from the Deschutes River up to but not including the Snake River
2024-04-25
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Bob Rucker at Big White Salmon River Hatchery with 2 spawned out chinooks
1941-10-03
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Seining ripe chinooks from spawning riffle with Archie Anderson and assistant at the Middle Santiam Hatchery; 1940-09-25 Photograph from Album 1 page 48
2024-04-25
2003-01-01 |
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A thousand chinook salmon in holding pool at Foster Fish Hatchery located on the South Santiam River, Oregon;1940-08-14
2024-04-25
2003-01-01 |
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Chinook salmon at the foot of Abiqua Dam near Silverton, Oregon; 1940-09-08
2024-04-25
2003-01-01 |
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Chinook salmon blocked at the foot of Cazadero Dam on the Clackamas River; 1940-08-23
2024-04-25
2003-01-01 |
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Managing livestock disturbance in riparian zones in a manner that provides economic returns to ranchers while protecting streams is an important aspect of rangeland management on public lands in the western United States. Attempts to balance...
2018-04-30
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We evaluated patterns of redd site selection in relation to physical habitat variables (depth, velocity, and gravel size) using logistic regression and developed spawning habitat suitability models for two populations of spring Chinook salmon...
2004-01-01
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We used dual-beam hydroacoustics and echo integration techniques, combined with midwater trawling and gillnetting, to assess the abundance and distribution of the endangered Snake River juvenile sockeye salmon and resident kokanee (both...
1997-01-01
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The effectiveness of flow augmentation in aiding conservation and recovery of Snake River salmonid populations listed under the Endangered Species Act is questionable. The purpose of flow augmentation has been largely to increase the velocity...
2000-09-01
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The Oregon Fish Commission opposed construction at this time any dam in the middle of Snake River which would block salmon runs.
1953-11-18
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Port of Tacoma
2008-11-06
2008-11-06 1985-04-25 |
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NPAFC
2008-10-03
2008-10-03 1999-04-25 |
