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251 - 275 of 481 Items << < 6 7 8 9 10 11 12 13 14 15 > >>
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This document compiles written responses by experts in their respective fields to questions from the Salmon Anchor Habitat Work Group about the Salmon Anchor Habitat Strategy component of Oregon Department of Forestry Northwestern Oregon State...
2005-07-18T17:10:40Z (iso8601)
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Species Act listings made sense. The Nez Perce sought the return of harvestable salmon. Wallowa County wanted fish back, but also to protect livelihoods, many of which depended on the forests, pastures and streams of this scenic, isolated valley....
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activities that affect salmon habitat, including the operations of the Columbia River dams.65.65 Together with the conservation principle quoted above, the tribes can argue with some force that treaty fishing rights cannot be limited unless...
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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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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, salmon...
2015 (iso8601)
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This paper addresses the impacts of climate change on salmon fishery governance in the Columbia River Basin of the Pacific Northwest U.S. Here the physical and ecological effects of climate change are expected to be significant and to include...
2008 (iso8601)
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Only portions of issues of The Water Report are available in the Klamath Waters Digital Library. See the full report at http://www.thewaterreport.com/
2005-11-15
2008-07-24 2006-06-13 |
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The removal of dams on a river is one potential tool for the ecological restoration of native salmonid fishes. However, the removal of barriers also introduces risks, such as the introduction of fish pathogens into previously isolated populations....
2012 (iso8601)
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Title from cover; "May 1991"
1991-05-19
2004-10-21 2004-06-16 |
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Longitudinal patterns of fish and benthic invertebrate distribution and
habitat use were similar in Thomas Creek, Oregon but clarity of these patterns
differed. I studied fish and aquatic invertebrates simultaneously, at multiple
scales, and used...
2003-03-14 (iso8601)
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Rehabilitation of salmonid spawning habitat in regulated rivers through spawning bed enhancement is commonly used to mitigate altered sediment and flow regimes and associated declines in salmonid communities. Partial design‐phase predictive...
2004-01-01
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Dams provide water supply, flood protection, and hydropower generation benefits, but also harm native species by altering the natural flow regime and degrading aquatic and riparian habitat. Restoring some rivers reaches to free-flowing conditions...
2014-03-03
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This project was undertaken in support of salmon and habitat restoration within the Shasta River drainage. The primary focus was to delineate both riparian and aquatic habitat within the study area based on classification of multi-spectral...
2006-04-17
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Low instream flows and high water temperatures are two factors limiting survival of native salmon in California's Shasta River. This study examines the potential to improve fish habitat conditions by better managing water quantity and quality...
2010-01-01
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programs and to adjust subsequent efforts accordingly.83 Because of concerns over the effects of hatcheries, adaptive management was especially important in implementing artificial production projects. Other parts of the program called for...
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Managing livestock disturbance in riparian zones in a manner that provides economic returns to ranchers while protecting streams is an important aspect of rangeland management on public lands in the western United States. Attempts to balance...
2018-04-30
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Low instream flows and high water temperatures are two factors limiting survival of native salmon in California's Shasta River. This study examines the potential to improve fish habitat conditions by better managing water quantity and quality...
2010-01-01
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A hierarchical classification system of Iceland's
watersheds and rivers is presented. The classification
is based on Iceland's substrate, climate, water, biota,
and human cultural influences. The geological formations
of Iceland are very different...
1990-05-17 (iso8601)
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Streams with intact floodplain connections are important to juvenile salmonids during their freshwater residence, providing refuge during periods of high flow as well as prey produced in emergent marsh and terrestrial riparian habitats. Habitat...
2012-02-23
2012-02-23 2024-05-19 |
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Monitoring geomorphic changes in response to river restoration interventions through the use of repeat topographic surveying is becoming more common in long-term monitoring programs. Repeat montitoring surveys are often preformed before and...
2009-04-01
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Papers of a
lawyer and conservationist of Seattle, Washington. Much of the material relates
to Winn's chairmanship of the Mountaineers' Conservation Division; Winn was on the Board of Trustees of the Mountaineers during
1985-1986.;...
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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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of the hatchery and related facilities appropriate to the Trinity River Project will be developed during definite planning. If found feasible, added production over that supportable under natural conditions will be planned to enhance anadromous...
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The Henry's Fork. The Henry's Fork Watershed Council in northeast Idaho, near Yellowstone National Park, is one of the Basin's better-known watershed planning processes. The Henry's Fork is a world-class trout stream, cherished by anglers: The...
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