Download or read book Survival of Summer Steelhead Caught and Released from an Experimental Seine Fishery in the Lower Columbia River written by Dan Rawding and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Post release Survival of Chinook Salmon and Steelhead Trout from an Experimental Commercial Fish Trap in the Lower Columbia River WA written by Adrian McFarland Tuohy and published by . This book was released on 2018 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gillnets and other conventional harvest techniques utilized in mixed-stock commercial salmon fisheries frequently result in bycatch mortality. In many parts of the U.S Pacific Northwest, bycatch and hatchery impacts impede the recovery of Endangered Species Act (ESA)-listed salmonids and constrain commercial fishing opportunities. For the benefit of wild salmon, threatened ecosystems, and coastal fishing communities, a post-release survival study was conducted on the lower Columbia River to evaluate the potential of an alternative commercial gear—an experimental pound net trap—as a live-capture, stock-selective harvest technique. Expanding upon a 2016 pilot study, a modified trap was constructed and operated under a variety of tidal stages, light levels, and weather conditions between August 26 and September 27, 2017. Utilizing a paired mark-release-recapture procedure with Passive Integrated Transponder (PIT) tags, post-release survival from the trap was estimated through the Cormack-Jolly-Seber method; catch-per-unit-effort (CPUE) and covariates of CPUE were analyzed through Generalized Linear Models (GLM). Results demonstrated that pound net traps can effectively target commercially viable quantities of hatchery reared fall Chinook (Oncorhynchus tshawytscha) and coho salmon (O. kisutch) while reducing cumulative bycatch mortality of ESA-listed species relative to conventional and alternative commercial gears. During the study period, 7,129 salmonids were captured and released. The ratio of wild to hatchery-origin salmonids captured was approximately 1:3. Cumulative survival to McNary Dam ranged from 94.4% for steelhead trout (O. mykiss) to 99.5% for Chinook salmon, warranting application of the gear as a stock-selective harvest tool in commercial salmon fisheries.
Download or read book Summer Steelhead Creel Surveys in the Grande Ronde Wallowa and Imnaha Rivers for the Run Year written by and published by . This book was released on 1995 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Evaluation of Transplanting Snake River Steelhead Trout to the Pahsimeroi River written by and published by . This book was released on 1974 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Studies of Hatchery and Wild Steelhead in the Lower Columbia Region written by and published by . This book was released on 2000 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Salmonid Field Protocols Handbook written by David H. Johnson and published by . This book was released on 2007 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first publication to collect, standardize, and recommend a scientifically rigorous set of field protocols for monitoring and assessing salmon and trout populations. Includes five additional techniques that can be used with any of the 13 principle methods to supplement information gathered.Over four dozen fisheries experts throughout the U.S. Pacific Northwest and beyond contributed their time to pick, write, and review the most reliable protocols for enumerating salmonids in the field. Presented in an easy to use format, each of the 18 peer-reviewed protocols covers objectives, sample design, data handling, personnel and operational requirements, and field and office techniques, including survey forms.Standardized monitoring protocols will improve data reliability, maximize opportunities for data sharing and data set comparability, and ultimately improve the ability to assess status and trends. The Handbook will also support consistency in data collection for salmonids at the international level.
Download or read book Columbia River Salmon and Steelhead written by Ernest George Schwiebert and published by . This book was released on 1977 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Columbia River Salmon and Steelhead Trout Their Fight for Survival written by Anthony Netboy and published by Seattle : University of Washington Press. This book was released on 1980 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book An Evaluation of the Status of the Columbia River Summer Steelhead Run written by Oregon. Fish Commission and published by . This book was released on 1962 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This report by the Oregon Fish Commission summarizes information on the Columbia River summer steelhead run, including condition of the stocks, factors affecting this condition, steps which have been, can be, or should be taken to improve the situation, and other pertinent miscellaneous data" -- Page (1).
Download or read book Summer run Steelhead Experiments in the Feather and American Rivers written by Frederick A. Meyer and published by . This book was released on 1985 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Status of Summer Steelhead in the Mid Columbia River written by Don Chapman and published by . This book was released on 1994 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Behavior and Movement of Adult Summer Steelhead Following Collection and Release Lower Cowlitz River Washington 2012 2013 written by U.S. Department of the Interior and published by CreateSpace. This book was released on 2014-03-30 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: Historically, adult summer steelhead Oncorhynchus mykiss returning to hatcheries on the lower Cowlitz River were sometimes transported and released in the river (recycled) to provide additional angling opportunity for the popular sport fishery in the basin. However, this practice has not been used in recent years because of concerns associated with interactions between hatchery fish and wild fish. Fishery managers were interested in resuming recycling but lacked information regarding effects of this practice on wild steelhead so we conducted a study during 2012–2013 to: (1) enumerate recycled steelhead that returned to the hatchery or were removed by anglers; and (2) determine if steelhead that were not removed from the river remained in the system where they could interact with wild fish.
Download or read book Compilation of Information on Salmon and Steelhead Losses in the Columbia River Basin written by and published by . This book was released on 1986 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Columbia River Salmon and Steelhead written by Columbia River Salmon and Steelhead Symposium$ (1976 : Vancouver, Wash.) and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Evaluating the Migration and Spawning Behaviors of Upper Columbia Summer Steelhead Using Radio Telemetry and Accelerometer Biotelemetry written by Nate T. Fuchs and published by . This book was released on 2018 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding population migration trends is of importance to fisheries managers especially for populations listed under the Endangered Species Act. In recent years passive integrated transponder tags (PIT) have been increasingly used to monitor tributary escapement of adult summer Steelhead (Oncorhynchus mykiss) returning to the Upper Columbia River, but do not fully characterize behavior and survival. We evaluated the migration, overwintering distribution, and survival of Upper Columbia using radio telemetry. Additionally we monitored post spawn exit from spawning tributaries ("kelting" rate). We also analyzed the efficacy of newly developed, gastrically implanted acceleration sensing tags applied with the primary aim of detecting spawning behaviors. Using video observations, we collected movement data from telemetered steelhead within an enclosure. We developed criteria for analyzing acceleration data to infer the behaviors of tagged steelhead, released at-liberty in the natural environment. Monitoring of at-liberty steelhead revealed spawning behaviors similar to those observed among enclosure steelhead.
Download or read book Steelhead Water written by Bob Arnold and published by Frank Amato Publications. This book was released on 1993-11 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A wonderful book about the author's Northwest quest for steelhead on the fly. If you enjoy fly fishing for steelhead you will find this book hard to put down as the author leads you down the Wenatchee, North Fork Stillaguamish, Skagit, Sauk, Grande Ronde, and other rivers for winter and summer steelhead. Each chapter has something very important to say from selecting fly patterns to the uses and construction of sinking lines and methods for winter and summer fish.
Download or read book Relative Susceptibility of Four Stocks of Summer Steelhead Salmo Gairdneri to Infections of Ceratomyxosis and Bacterial Diseases Found in the Willamette River written by David V. Buchanan and published by . This book was released on 1982 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
