From John Cobb field notebook: Salmon cannery of Friday Harbor Packing Co., Friday Harbor, Wa. 1915
Shows the Puget Sound Navigation Co.s steamer WHATCOM at dock.
2024-03-29
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From John Cobb field notebook: Semiahmoo cannery, the clincher.
2024-03-29
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Aquatic research has long shown that the survival of cold-water fish, such as salmon and trout, decreases markedly as water temperatures increase above a critical threshold, particularly during sensitive life stages of the fish. In an effort to...
1997-03-29
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Date of memorandum: September 15, 1950; "R.S. Robinson, Ranger-Naturalist."; Includes: "Creel Census Report for July and August, 1950."
2010-05-25 2010-06-28 |
We examined the potential of employing a series of lake management strategies to enhance production of endangered Snake River sockeye salmon (Oncorhynchus nerka) in its historical nursery lakes in central Idaho. We used a combination of...
1996-01-01
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The purpose of this Columbia River Stream Survey has been to provide data for evaluation of each stream, or portion of stream, from the standpoint of its present and potential value in relation to the maintenance of the salmon resources of the...
2024-03-29
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Holland and Frey rescuing downstream chinook migrants from side pockets in the Entiat River
1940-07-06
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Tempering bluebacks in truck before unloading in Lake Osoyoos
1940-07-10
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Salmon on counting board between brail and elevator at the Rock Island Dam
1938-11-30
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Middle Santiam Salmon Hatchery with spring chinooks in holding pond with approximately 1000 fish; 1940-08-14 Photograph from Album 1 page 48
2024-03-29
2003-01-01 |
Impassable falls located 17 miles upstream from the mouth on the Little North Fork of the North Santiam River
Chinook salmon are in the pool below the falls.
1940-08
2024-03-29
2003-01-01 |
Chinook salmon on riffle at Lois Mill on the Molalla River; 1941-09-16
2024-03-29
2003-01-01 |
The Snake River strain of sockeye was declared endangered in 1991 in response to the decline in the number of anadromous adults returning to nursery lakes in the Snake River watershed. These fish historically migrated over 1,400 km from the...
1994-01-01
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The incised and degraded habitat of Bridge Creek is thought to be limiting the population of ESA-listed steelhead. We are assisting a small, extant beaver population to restore geomorphic, hydrologic, and ecological functions in this system. The...
2011-01-01
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Recovery efforts for Snake River sockeye salmon were initiated in 1991 in response to a decline in the number of returning adults and listing of this population under the Endangered Species Act. We examined limnological conditions in five nursery...
1995-01-01
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From 1977-1979 field and laboratory tests were conducted to determine the impacts of streamflow reduction over redds on salmonid embryo incubation and fry quality. Laboratory tests were conducted in artificial stream channels located at the Hayden...
1981-03-01
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Record low runs of chinook salmon to the Yukon River in the late 1990s intensified concerns about salmon bycatch by U.S. groundfish fisheries in the eastern Bering Sea and Aleutian Islands (BSAI). We estimated the bycatch of Yukon River chinook...
2012-03-19
2012-03-19 2024-03-29 |