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601 - 625 of 2700 Items << < 20 21 22 23 24 25 26 27 28 29 > >>
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The Frank Patterson Photographic Postcards consist of images of natural features, tourist sites, and highways in Oregon and northern California. Of note are numerous images of the Oregon Caves, Crater Lake, the Oregon Coast, and the redwoods. ...
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The Liz VanLeeuwen Spotted Owl Collection consists of materials collected and generated by former State
Representative Liz VanLeeuwen pertaining to the listing of the Northern Spotted Owl as a
protected endangered species in Oregon and the...
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Stable oxygen and carbon isotope δ[superscript 18]O and δ[superscript 13]C analyses of otoliths are becoming increasingly common in fisheries science and management. However, little is known about the statistical properties of isotopic data and...
2012-08-04 (iso8601)
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Riverine plumes in nearshore coastal waters are areas of enhanced production and accumulation of prey and may increase availability of food during a critical period of juvenile salmon survival and hence serve as a nursery area for these juveniles....
2016-07 (iso8601)
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In ocean fisheries for Pacific salmon Oncorhynchus spp., there can be several forms
of gear-related mortality. Much research effort has been directed at estimating mortality rates for salmon that are hooked and then released. Also potentially...
1996-08 (iso8601)
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We investigated intra-specific variation in the response of salmon to infection with the
myxozoan Ceratomyxa shasta by comparing the progress of parasite infection and measures of
host immune response in susceptible and resistant Chinook salmon...
2014-03 (iso8601)
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The Oregon sockeye salmon virus (OSV) was isolated from
diseased sockeye salmon (Oncorhynchus nerka) fingerlings in 1958
by J. L. Fryer. Experimentation performed prior to the research
reported herein indicated that the OSV contained essential...
1970-01-26 (iso8601)
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Studies were directed toward the formulation of a selective
Aeromonas medium that would permit the isolation of Aeromonas
species in the presence of other common bacterial flora. The final
composition of this medium, PBG Agar, in grams per liter,...
1973-05-03 (iso8601)
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An additional layer, exterior to the outer membrane cellwall
layer, was found on Aeromonas salmonicida cells from aggregating
strains. Nonaggregating strains were found to lack this layer.
The nonaggregating strains were all avirulent (LD₅₀...
1977-07-20 (iso8601)
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Cathepsins are intracellular proteinases that hydrolyze the
peptide bonds of proteins. These enzyme have been implicated in
the tenderization of aging beef, with the deterioration of radiation-stabilized
meats on storage, and in the spoilage of...
1965-03-15 (iso8601)
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likely to be slow and frustrating, but the mounting investment in salmon recovery is already requiring it. Finally, it is likely that some broadening in the financial basis for ecosystem recovery will be needed. If the limits of this last point...
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Council called for an additional million acre-feet). Following the 1992 Idaho water transfer proceeding, the Bureau began gaining experience in acquiring this water.191
To begin with, the Bureau faced a dilemma. Many Snake Basin water users...
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16 reservoirs in the Middle Snake River, and a number of other storage projects that irrigate some 3 million acres of land: 35' 53.9% of all Washington's irrigated land, 41.8% of Idaho's, and 22.5% of Oregon's.
The U.S. Department of Energy, the...
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Columbia River Fish Management Plan, was approved by the U. S. v. Oregon court as a settlement agreement. The process remains under the jurisdiction of the federal court, which has the power to resolve disputes. Idaho and several other tribes are...
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THE COLUMBIA RIVER SALMON FISHERIES. Among the many remarkable panoramas of natural scenery which unfold themselves to the' traveler through the great Northwest, there is nothing to surpass that which is seen from the overland train as it winds...
2004-03-02
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Caption on mount: Fisherman seining, Chanook, W'n. Columbia River, Washington
PH Coll 293.1 |
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Document: Appendix to Pacific Southwest Water Plan of August 1963 as modified January 1964 "Fish and Wildlife Service Appendix- Substantiating Report", January 1964, page 42
1964-01-01
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Collection consists of depositions and other legal documents, witness files, reports, press releases, environmental impact statements, files relating to aquaculture in other areas, correspondence, photographs, and other materials relating to the...
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Records of the
Washington Sea Grant Program; The Washington State Sea Grant Program was established in 1968. Based
at the University of Washington, it draws on the talents of the university and
affiliated institutions, while working in...
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The purpose of this subproject is to catalogue information concerning municipal and industrial water use, present and future, in the Salmon Hydrologic unit and to briefly explain the methodology which was used to derive the data. Boundaries of the...
1970-09-01
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1. Six major types of commercial gear have been used to take salmon and steelhead on the Columbia River; namely, gill nets, set nets, seines, traps, fish wheels and dip nets. 2. The five important commercial species in the Columbia River are...
1948 (iso8601)
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Three factors were found to be significantly correlated with the fluctuations and trends in silver salmon production in Oregon. Logging was found to adversely affect the runs of salmon in later years. Exceptional winter floods seem to produce...
1950 (iso8601)
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The application of DNA-based markers toward the task of discriminating among alternate
salmon runs has evolved in accordance with ongoing genomic developments and
increasingly has enabled resolution of which genetic markers associate with...
2014-06 (iso8601)
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As part of a hierarchical approach to classifying watersheds and stream habitats
based on geomorphic and geologic criteria, we defined ten classes of fluvial and
lacustrine habitats at the scale of valley segments. Valley segments are landscape...
1992-04-30 (iso8601)
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