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201 - 225 of 2700 Items << < 4 5 6 7 8 9 10 11 12 13 > >>
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Norwegian aquaculture emerged in the end of 1960 when new discoveries transformed production from trout farming to salmon farming. During recent decades farmed salmon has been one of the most successful aquaculture species in terms of production...
2008 (iso8601)
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In July 1997 a trade agreement between Norway and the European Union went into effect. The agreement specifies
an increase in the export levy on Norwegian salmon entering the EU from 0.75% to 3.00% ad valorem. The proceeds of the
levy are to be...
2001 (iso8601)
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The primary purpose of this study is to investigate the salmon
demand of Japanese households. The specific goals are to illuminate
the substitutional relationship between salmon and other foods and to
examine seasonal and regional differences in...
1987-03-12 (iso8601)
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Report consisting of mixture of text and photographs prepared by the UW College of Fisheries; The College of Fisheries at the University of Washington was formally
established on April 2, 1919 at the urging of prominent members of the...
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THE SALMON of the Columbia River have supported an intensive fishery for
over seventy years but are now showing unmistakable signs of depletion, and
various factors are contributing to the rapid progress of this condition. Five
species of fish...
1941 (iso8601)
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Effects of the marine environment on age and size at maturity, early marine growth, and abundance of chum salmon, Oncorhynchus keta, were studied at Olsen Creek during 1959-77. Chum salmon returned to Olsen Creek as predominately 3-, 4-, and...
1979-06-26 (iso8601)
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We investigated habitat use by juvenile Chinook salmon (Oncorhynchus tshawytscha) and coho salmon (O. kisutch) to identify environmental characteristics that may define their optimal marine habitat. We utilized physical and biological data from...
2012-02 (iso8601)
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We, the U.S. Fish and Wildlife Service (Service), designate critical habitat for the Klamath River and Columbia River populations of bull trout {Salvelinus confluentus) pursuant to the Endangered Species Act of 1973, as amended (Act). For the...
2004-10-06
2008-08-18 2005-06-23 |
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Chinook salmon (Oncorhynchus tshawytscha) have been absent from their
historic spawning and rearing grounds in the Metolius River Basin in central Oregon
since 1968, when fish passage was terminated at the Pelton Round Butte Hydroelectric
Project...
2005-03-17 (iso8601)
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2 p. Article detailing the salmon fishing industry on the Columbia River, including providing details on salmon spawning and the use of fish wheels. The use of Chinese, Scandinavian, and Russian immigrants in the fishing and canning is described....
1896-09-19
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I. Executive Summary
There is increasing recognition from most quarters that the Endangered Species Act (ESA) needs to be improved. Exactly what those improvements should be is less uniform. This report examines the implementation of...
2005-05-01
2007-12-12 2005-08-17 |
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In spite of considerable efforts to restore natural runs of anadromous
salmonids in the Pacific Northwest, they remain at risk of extirpation. Along
with many other factors influencing the decline, stocking from hatcheries
over the past hundred...
2005-06-08 (iso8601)
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Diets of juvenile coho Oncorhynchus kisutch and Chinook O. tshawytscha salmon
are made up primarily of winter-spawning fish taxa in the late-larval and early juvenile stages that
are undersampled in plankton and larger trawl nets. Although we have...
2013-06-12 (iso8601)
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This investigation demonstrates the feasibility of a
polyculture system using effluent water from land-based
salmon culture systems to feed juvenile Manila clams, Tapes
japonica (Deshyes), and an evaluation of an artificial diet
for feeding...
1996-04-05 (iso8601)
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Minutes of the Commission; Minutes.; Organized into 3 accessions.; Accession No. 1840-001, International Pacific Salmon Fisheries
Commission records, 1937-1946Accession No. 1841-001, International Pacific Salmon Fisheries
Commission...
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Four cell lines derived from embryonic tissues of four species
of salmonid fishes, and one from a hepatoma in rainbow trout have
been established in this laboratory. The species represented are
chinook, coho, and sockeye salmon; and steelhead and...
1966-05-31 (iso8601)
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The individual stocks of sockeye salmon that make up the
annual spawning migration to the Bristol Bay region of Western
Alaska are produced in the lakes and streams of ten major river
systems, which discharge into the bay over a shoreline distance...
1969-02-17 (iso8601)
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from the summer dry season to the winter wet season. Such movement that connects summer and winter habitats may be particularly important for coho salmon, O. kisutch, because availability of overwintering habitat can limit freshwater survival for...
2013-01-11 (iso8601)
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For the additional, extensive, coastal troll fishery, extending from California to southeastern Alaska, neither catch records nor knowledge of the contribution made by Columbia River fish are as accurate as desired. The fact that this fishery...
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The Bond Papers document the fisheries
research conducted by OSU Fisheries and Wildlife Professor Carl E.
Bond.; Biographical Note:; Alumnus and ichthyologist Carl Bond received B.S. and M.S. degrees from
Oregon State College in 1947...
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By Lorraine E. Flint, Alan L. Flint, Debra S. Curry, Stewart A. Rounds, and Micelis C. Doyle Abstract The U.S. Geological Survey (USGS) collected water? quality data during 2002 and 2003 In the Lower Klamath River Basin, in northern...
2024-11-21
2006-10-13 2005-07-07 |
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The operation of the Federal Columbia River Power System (FCRPS) has negatively affected threatened and endangered salmonid populations in the Pacific Northwest. Barging Snake River spring Chinook salmon Oncorhynchus tshawytscha through the FCRPS...
2011-06 (iso8601)
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seem to pose questions for which there are few good answers. The most recent, comprehensive scientific advice is that salmon recovery programs cannot reverse the salmon declines with the approaches taken to date. Salmon recovery programs have...
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Executive Summary
The jawless lampreys are remnants of the oldest vertebrates in the world. Oregon has somewhere between eight and a dozen species of these primitive fishes. Their taxonomy is obscure because different species tend to look very...
2024-11-21
2008-03-28 2005-06-27 |
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A study of the distribution, relative abundance and diet of
fishes sympatric with juvenile sockeye salmon, Oncorhynchus nerka
(Walbaum), within the freshwater nursery areas of the Naknek River
system was undertaken from 1961 to 1963. The study was...
1968-09-20 (iso8601)
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