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1101 - 1125 of 2700 Items << < 40 41 42 43 44 45 46 47 48 49 > >>
1101 - 1125 of 2700 Items << < 40 41 42 43 44 45 46 47 48 49 > >>
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Gold dredge on Yankee Fork of Salmon River It was the largest dredge in Idaho Dredge was reputed to be recovering $10,000 in flour gold each week
1941-06-19
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"Dead Man's Hole" in Salmon River below town of Challis, Idaho
1941-06-10
2003-01-01 |
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From John Cobb field notebook: Hauling salmon seine, Karluk, June 1906
2024-11-23
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Analysis of legacy and current-use insecticides and the lipid content of whole body tissue samples and composites of juvenile Chinook salmon (TIresults Fish tab), macroinvertebrates (TIResults Macroinvertebrate tab), and zooplankton (TIResults...
2021-01-01
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reservoirs would essentially eliminate all the prime spawning areas used by salmon and steelhead trout on the affected streams, the Trinity and South Fork Trinity Rivers. In addition, the accessible salmon and steelhead fishing reaches of the...
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The Association of Northwest Steelheaders Records document the Walla Walla chapter of the organization, which is dedicated to sustaining the Steelhead salmon population.. The records date from 1963 to 1966, and consist of materials such as...
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NMFS
2008-10-03
2008-10-03 1991-11-23 |
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2008-10-03
2008-10-03 1973-11-23 |
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1965-09-15 (iso8601)
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"Primary objectives . . . were to document the wild salmonid species that utilize Salmon River as a spawning area, to determine their spatial and temporal distributions, and to measure the abundance of each species." (p.1) Adults and juveniles...
1978 (iso8601)
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A study of the fishery problems raised by the construction of the Grand Coulee Dam on the upper Columbia River was done. Part of the study was to estimate the number of salmon taken in commercial fishery for the purpose of comparing this with the...
1940 (iso8601)
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Studies on hydromineral balance in fishes frequently employ measurements of electrolytes following euthanasia. We tested the effects of fresh- or salt-water euthanasia baths of tricaine mesylate (MS-222) on plasma magnesium (Mg²⁺) and sodium (Na⁺)...
2016-02 (iso8601)
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Electrofishing is a sampling tool commonly used by fisheries researchers. While much is known about the effects of electroshock on fish physiology, consequences to the immune system and disease progression have not received attention. To...
1999-06-16 (iso8601)
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Correspondence from Donald S. Farner to J. P. Leavitt; The second memorandum is entitled: A study collection of zoological specimens of Crater Lake National Park
2024-11-23
2008-08-19 2009-01-07 |
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Nine isolates of bacteria recovered from fish dying at
marine facilities were collected from different geographic areas.
The strains included: an isolate from chinook salmon (Oncorhynchus
tshawytscha) reared in net pens in New Zealand, an isolate...
1987-09-15 (iso8601)
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Freshwater (FW) and seawater (SW) acclimated yearling coho salmon, Oncorhynchus kisutch, were subjected to severe confinement stress in FW, SW, or a medium (1/3 SW) that was approximately isosmotic to the fish's blood. Chronic stress caused...
1982-12-12 (iso8601)
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Precocious male coho are of limited economic value and control of their numbers returning to the hatchery or the increased survival of full-sized adults would be beneficial. Factors influencing
early sexual maturation and attempts to suppress this...
1971-05-10 (iso8601)
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This study examines the ecology and dynamics of coho salmon (Oncorhynchus kisutch) in environments experimentally altered by logging. The objective was to evaluate processes that stabilize or regulate the populations. Two small watersheds in...
1971-06-03 (iso8601)
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Upwelling in eastern boundary current systems is a primary driver of ecosystem productivity. Typically, peak upwelling occurs during spring and summer, but winter upwelling may also be important to ecosystem functions. In this study, we...
2012-08 (iso8601)
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