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801 - 825 of 2700 Items << < 28 29 30 31 32 33 34 35 36 37 > >>
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The bycatch problem has remained troubling and persistent, even in
fisheries that have rationalized their target fisheries. The Alaskan Pollock
fishery is an example of a fishery struggling to contain the bycatch of
salmon in spite of a...
2010 (iso8601)
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The goal of the Whole Watershed Restoration Initiative (WWRI) is to restore natural functions of whole watersheds in Oregon, Washington, and Idaho, while amplifying community-based partnerships focused on the strategic restoration of Pacific...
2011-05-24 (iso8601)
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Many contemporary fisheries and wildlife issues are complex,
messy, and divisive. Most share a set of common characteristics
including a lack of comprehensive scientific information, a limited
understanding of biological processes, a scarcity of...
2006-06-19 (iso8601)
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The evaluation of social investment in water pollution control
has been retarded by a lack of methodology with which to evaluate
the direct benefits. The objective of this dissertation was to develop
theory and methodology for estimating direct...
1965-08-13 (iso8601)
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Source
PI-60 F F-17
PI-105 C
PI-96 F
Tentative Disposition
Problem or Area of Concern
12. (Cont) COMMENT: It is the policy of the fisheries agencies to preserve the natural runs of salmon wherever this is feasible. Hatcheries should...
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Power.—Commercial power is developed on White Salmon River at the Northwestern Electric Co.'s Conduit plant, which consists of a concrete dam diverting water into pen stocks leading to a powerhouse a short distance downstream. Constructed in...
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V. Watershed Initiatives
Hydropower is much less a factor in the tributary streams than in the mainstem. Tributaries are more often dried up by water diversions, warmed and polluted by agricultural use and grazing, and silted up by timber... |
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almost invariably lodges in the flesh of some unfortunate.
Some of the salmon are, of course, eaten fresh, others are salted down, and still others are smoked, but most of them are preserved by packing in tin cans at packing-houses called...
2004-07-26
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Master scanned with Epson 1640XL at 800 dpi. Image manipulated with Adobe Photoshop 7.0.
2003-01-01 |
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The numbers of Snake River salmon and steelhead Oncorhynchus spp. have substantially declined since the completion of the Columbia River hydrosystem. We used analytical approaches to identify management options for halting the decline of these...
2002-01-01
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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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The Joe Cone Papers consist of materials
created and assembled by Cone in the course of writing
A Common Fate: Endangered Salmon and the People
of the Pacific Northwest and include reference materials,
correspondence, chapter...
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The Ralph E. Wahl Photographs and Papers
comprise photographic materials and textual records reflecting Wahl’s
activities and interests as a photographer and fisherman in the Pacific
Northwest. The collection contains a substantial...
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This report summarizes the results of research on high seas salmonids conducted in
FY 2001 (1 October 2000-30 September 2001) by the High Seas Salmon Research
Program, Fisheries Research Institute (FRI), School of Aquatic and Fishery Sciences...
2014-05-14
2014-05-14 2001-09-01 |
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Organizational
records documenting the efforts of the Washington State chapter of the Nature
Conservancy, a non-profit nature preservation society.; The Nature Conservancy is a national non-profit nature preservation
society, dedicated...
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These are the personal and professional
papers of former Western Washington University history professor August Carl
Radke. The collection includes correspondence, speeches, class notes and
student files as well as research materials...
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Labor agreements of the Seattle salmon division between Alaska Salmon Industry Inc. and various unions.; Seattle law firm.; Labor agreements of the Seattle salmon division.; Records consist of agreements between Alaska Salmon Industry Inc. and...
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Excerpts from Welcome and keynote address: Idaho Chapter of the American Fisheries Society presents this 1992 Northeastern Pacific Chinook and Coho workshop. The chinook committee of the Idaho Chapter, with the leadership of Dave Cannamela,...
1992-09-01
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Upriver movements were determined for Chinook salmon Oncorhynchus tshawytscha returning
to the Yukon River, a large, virtually pristine river basin. These returns have declined
dramatically since the late 1990s, and information is needed to better...
2015-04-28 (iso8601)
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Date of memorandum: January 15, 1948; "Orthello L. Wallis, Ranger-Naturalist in charge of fisheries investigations 1947."
2008-09-02 2008-12-10 |
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The use of passive integrated transponder (PIT) tags in ecological studies is increasingly common, but evaluations of their performance and range of application in the field are still emerging. Here, we compare habitat unit–scale abundance...
2011 (iso8601)
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Identifying appropriate units for conservation requires knowledge of evolutionary
patterns and risks of managing at different geographical and genetic scales. I examined
genetic diversity at different geographical scales among 11,400 rainbow...
1997-04-30 (iso8601)
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The dynamic Quaternary geology of the Pacific Ring of Fire created substantial challenges for biogeography. Fish life history and population genetic variation were shaped by climate change, repeated formation and subsidence of ice sheets,...
2013-03 (iso8601)
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