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2426 - 2450 of 2700 Items << < 93 94 95 96 97 98 99 100 101 102 > >>
2426 - 2450 of 2700 Items << < 93 94 95 96 97 98 99 100 101 102 > >>
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A comparative study of the Williamson River (before and after passage through Klamath Marsh) and the Sprague River (which is a major tributary of the Williamson River) in South Central Oregon has provided substantial insight into the effects of a...
1981-11-24
2005-04-06 2005-03-04 |
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The restoration of rivers and streams should be based on a
strong conceptual framework. Streams are developing systems. As
such, streams exhibit temporal behaviors that change with changing
stream environments. Underlying the dynamic development...
1994-06-01 (iso8601)
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1966-05-11 (iso8601)
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This is Kettle Falls of the Columbia, 41 miles below the Canadian border and 705 miles from the Pacific Ocean. In the background can be seen a point of the sharp, rock island, around which the river poured in a beautiful cascade of falls. Here...
2024-11-24
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The cultural and ecological values of Pacific lamprey (Lampetra tridentata) have not
been understood by Euro-Americans and thus their great decline has almost gone
unnoticed except by Native Americans, who elevated the issue and initiated research...
2002-07 (iso8601)
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"Kokanee were originally stocked in Detroit Reservoir in 11959. This species was introduced in hopes that it would utilize pelagic zoo plankton and provide a more varied sport fishery. The trout fishery in the reservoir depends primarily on heavy...
1965 (iso8601)
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This is a case study of the cooperative development of an ocean condition
forecasting tool by Oregon commercial fishermen, Oregon State University (OSU)
scientists, and OSU student software engineers. Ocean condition forecasting models
developed...
2014-09-16 (iso8601)
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We examined the incidental
catches of American shad (Alosa
sapidissima) taken during research
cruises and in commercial and recreational
landings along the Pacific
coast of North America during over
30 years of sampling. Shad, an introduced...
2011 (iso8601)
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Motivated by the general objective of pursuing oceanographic process and data assimilation studies of the complex, nonlinear eddy and jet current fields observed over the continental shelf and slope off the west coast of the United States, we...
1990-07 (iso8601)
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A method was developed for the measurement of 19 parent PAHs (PAHs) and 34 hydroxylated
PAHs (OH-PAHs) in urine and personal air samples of particulate matter less than 2.5 um in
diameter (PM[subscript 2.5]) using GC-MS and validated using NIST...
2015-02-01 (iso8601)
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The purpose of this thesis is to examine the problem of the
increasing competition between recreation and irrigation at Wallowa
Lake. Originally Wallowa Lake was an abundant source of fish for
the Indians but the advent of irrigation in the area...
1967-05-03 (iso8601)
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Of 149 wild animals from two western Oregon river drainage
areas and other localities in which "salmon poisoning" disease (SPD)
is enzootic, including ten mammalian and two avian species, 79
harbored Nanophyetus salmincola, the SPD vector. The...
1969-05-09 (iso8601)
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A series of log storage experiments were conducted to determine
whether leachates derived from water storage of logs are acutely
toxic to fish. Log segments approximately 18 inches long and 16 inches
in diameter were stored in tanks and held...
1971-05-10 (iso8601)
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Efficacious vaccines were developed for the control of Vibrio
anguillarum, the etiological agent of vibriosis in salmonid fish.
These bacterins can be administered either orally or parenterally.
It was determined that both formalin-killed...
1974-10-03 (iso8601)
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In this paper, a new test for causality in demand on markets supplied by both farmed and captured fish is
presented. This method is applied on markets for trout and potential substitutes imported to Germany, to
identify market delineation and...
2006-11 (iso8601)
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"The Tenmile Lakes Project for partial control of warm-water fish was initiated in August of 1964, One qualified fishery biologist and one conservation aide were assigned to do the work. The reduction in assigned personnel was due to lack of...
1966 (iso8601)
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Fishmeal is a critically important feed ingredient for use in animal (e.g., poultry and pork) and
aquaculture production (e.g., salmon, trout, and shrimp). There is concern that demand for fishmeal may
place additional stress on the world’s...
2006-11 (iso8601)
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A food consumption revolution is taking place in Russia. After decades of severe constraints on food consumption options under the communist regime Russian consumers are now adopting new food products - including seafood products - at a high pace....
2008 (iso8601)
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Stream-restoration projects are usually designed to improve habitat quality for fishes.
These projects manipulate flow patterns, substrate distribution, and amount and
placement of large woody debris. Consequently, they also affect the size and...
1996-02-09 (iso8601)
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The article examines the conditions under which community-based management or comanagement is likely to
result in either (I)successful collaboration between a state agency and a local community or (ii) “capture” of a public agency
by private or...
2001 (iso8601)
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