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701 - 725 of 2700 Items << < 24 25 26 27 28 29 30 31 32 33 > >>
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Data from the coho salmon migration were examined from three streams of the Alsea Watershed Study, conducted on tributaries to Drift Creek, Oregon, from 1959 through 1973. With the migration season defined as November 1 through May 31, the mean...
1979-12-17 (iso8601)
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Methods examined for the preparation of cells from tissues of salmonid fishes for primary cultivation were the fragment (explant) and enzyme dispersion techniques. Both methods were employed for the cultivation of a variety of tissues from Pacific...
1964-04-24 (iso8601)
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The aims of this study were first, to test the hypothesis that metrics of fish growth and condition relate
positively to parasite species richness (S[subscript R]) in a salmonid host; second, to identify whether S[subscript R] differs as a...
2014-11 (iso8601)
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Spring Chinook salmon, Oncorhynchus tshawytscha, are transported above dams in the Willamette River to provide access to blocked spawning habitat. However, 30-95% of these transplants may die before spawning in some years. To varying degrees,...
2014-05-30 (iso8601)
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This project was initiated to determine the incidence, distribution
and species of fish affected by Ceratomyxa shasta in Oregon
waters. Returning adult Pacific salmon and steelhead trout were
chosen for the survey because they were known to be...
1967-05-09 (iso8601)
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The cellular dynamics of the intestinal epithelium in the coho
salmon, Oncorhynchus kisutch, has been studied to determine the effects of temperature and whole-body X-irradiation.
In vivo experiments utilizing colchicine mitotic inhibiting...
1968-08-30 (iso8601)
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The performance of an organism or organismic subsystem is
the result of the interaction between the performance capacity of
the system and Its environment. Environmental conditions can
stress an organism and thus affect it's performance. In this...
1985-07-17 (iso8601)
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Salmon recovery requires restoration of spawning habitat to improve egg-to-smolt survival. Private lands play a crucial role. Funds for restoration are available from both federal appropriations and legal settlements for dam mitigation. Federal...
2013 (iso8601)
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The Independent Multidisciplinary Science Team (IMST) convened regional leaders in hatchery management and salmon recovery on June 19-21, 2000 for a scientific workshop on Conservation Hatcheries and Supplementation Strategies for the Recovery of...
2000-07-18 (iso8601)
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A study of the scales of Umpqua River spring chinook salmon was made
from mid-September to December 1, 1951. The study was undertaken to
determine the age composition and probable life history of spring Chinooks
in this river. The study was made...
2008-11-13T18:23:03Z (iso8601)
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642 DIVIDE CREEK 1000 1460 197 13.4 170 430 WSR 11400 642 N45 52.0 W116 44.0 NEW SALMON RIVER 75 65 4900 9400
2000 154 10.5 200 590 23100 100 65 18700
160 HALEY RIDGE 1000 343C 2C8 14.1 90 2380 PA 4800 16C N45 11.7 W116 38.6 EXIST HELLS...
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put it more bluntly, revisions that allow the industry to compete will not be acceptable unless provisions are included that: protect our environment; provide for recovery of salmon and other fish and wildlife; ensure that the nation's poor are...
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managers and neglected the "tails" of the migration, which tended to be wild fish. It also provided no flow augmentation for summer-migrating salmon and fall chinook.
The Vernita Bar settlement. One of the important water initiatives of the...
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Although habitat restoration can play a key role in the conservation of imperiled species, for animals that demonstrate long migrations and complex life histories, reliance on physical restoration of isolated habitat patches comes with...
2007-01-01
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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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I analyzed lake fertilization (with nitrogen and phosphorus) as a tool to assist in the recovery of the Snake River sockeye salmon (Oncorhynchus nerka) in the oligotrophic Sawtooth Valley Lakes in southcentral Idaho. These analyses involved...
1995-05-01
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On verso of image: Haul seining for salmon on the Columbia River
In Folder 216
2024-11-22
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that the newly stocked fish may be given an opportunity to get a fresh start in new waters without having to compete for food or be preyed upon. Some areas are identifiable at this time but others are not. Particular care will be utilized in...
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Chignik Regional Aquaculture Association
2008-10-03
2008-10-03 1992-11-22 |
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The Visual Instruction Department Lantern
Slides consist of slide sets assembled and loaned by the Oregon State
System of Higher Education General Extension Division. The slides depict a
variety of topics including many related to Oregon and the...
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Diel changes in discharge caused by hydroelectric peaking directly affect water levels and velocities and indirectly alter benthos and fish abundance and distribution. The effect of discharge on aquatic insect population below Dworshak Dam on the...
1976-09-01
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This report discusses the importance of grazing in the Salmon River Basin, its relationship to the Salmon River and what implications a wild and scenic river status would have on this activity. The first section deals with an inventory of...
1973-02-01
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IRRIGATION AND THE CENTRAL VALLEY PROJECT
35
less than 10 percent of the total investment of boatowners. In addition, fishermen spent thousands of dollars for rods, reels, artificial lures, gasoline and sundry equipment, as well as money for boat...
2009-04-01
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