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The Feasibility Of Estimating Sockeye Salmon Escapement At Zosel Dam Washington Using Underwater Video Technology
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Book Synopsis The Feasibility of Estimating Sockeye Salmon Escapement at Zosel Dam, Washington Using Underwater Video Technology by : Douglas R. Hatch
Download or read book The Feasibility of Estimating Sockeye Salmon Escapement at Zosel Dam, Washington Using Underwater Video Technology written by Douglas R. Hatch and published by . This book was released on 1991 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Feasibility of Estimating Sockeye Salmon Escapement at Zosel Dam Using Underwater Video Technology by : Douglas R. Hatch
Download or read book The Feasibility of Estimating Sockeye Salmon Escapement at Zosel Dam Using Underwater Video Technology written by Douglas R. Hatch and published by . This book was released on 1992 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Feasibility of Documenting and Estimating Adult Fish Passage at Large Hydroelectric Facilities in the Snake River Using Video Technology by :
Download or read book The Feasibility of Documenting and Estimating Adult Fish Passage at Large Hydroelectric Facilities in the Snake River Using Video Technology written by and published by . This book was released on 1993 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Feasibility of Using Video Technology to Estimate Salmon Escapement in the Ongivinuk River, a Clear-water Tributary of the Togiak River by : Nicholas J. Hetrick
Download or read book Feasibility of Using Video Technology to Estimate Salmon Escapement in the Ongivinuk River, a Clear-water Tributary of the Togiak River written by Nicholas J. Hetrick and published by . This book was released on 2004 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wenatchee River Salmon Escapement Estimates Using Video Tape Technology in 1991 by : Douglas R. Hatch
Download or read book Wenatchee River Salmon Escapement Estimates Using Video Tape Technology in 1991 written by Douglas R. Hatch and published by . This book was released on 1992 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wenatchee River Salmon Escapement Estimates Using Video Tape Technology in 1990 by : Douglas R. Hatch
Download or read book Wenatchee River Salmon Escapement Estimates Using Video Tape Technology in 1990 written by Douglas R. Hatch and published by . This book was released on 1991 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wenatchee River Salmon Escapement Estimates Using Video Tape Technology in 1994 by : Douglas R. Hatch
Download or read book Wenatchee River Salmon Escapement Estimates Using Video Tape Technology in 1994 written by Douglas R. Hatch and published by . This book was released on 1995 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wenatchee River Salmon Escapement Estimates Using Video Tape Technology in 1992 by : Douglas R. Hatch
Download or read book Wenatchee River Salmon Escapement Estimates Using Video Tape Technology in 1992 written by Douglas R. Hatch and published by . This book was released on 1993 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wenatchee River Salmon Escapement Estimates Using Video Tape Technology in 1989 by : Douglas R. Hatch
Download or read book Wenatchee River Salmon Escapement Estimates Using Video Tape Technology in 1989 written by Douglas R. Hatch and published by . This book was released on 1990 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Feasibility of Documenting and Estimating Adult Fish Passage at Large Hydroelectric Facilities in the Snake River Using Video Technology ; 1993 Final Report by :
Download or read book Feasibility of Documenting and Estimating Adult Fish Passage at Large Hydroelectric Facilities in the Snake River Using Video Technology ; 1993 Final Report written by and published by . This book was released on 1994 with total page 131 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lower Granite Dam on the Snake River to evaluate the feasibility of using video technology to document and estimate fish ladder passage of chinook salmon Oncorhynchus tshawytscha, sockeye salmon O. nerka, and steelhead O. mykiss. A video system was to produced video images during salmon passage periods. A technician identified and counted fish images from the video record. Fish ladder passage estimates of target species made from the video record were similar to estimates made by on-site counters during daytime periods, indicating that the two methods were relatively precise. We also found that a significant percentage (6.4% and 8.3%) of target salmonids migrated during nighttime periods when on-site counts were not typically made during the two years of study. Analysis of the video record permitted verification of individual sockeye salmon identified and counted by on-site count personnel, and provided data useful to managers of this ESA-listed stock. Analysis of the video record also permitted collection of additional data such as length measurements of individual specimens, which was used to regulate a fishery located upstream.
Author :Irvine, James R Publisher :Nanaimo, B.C. : Science Branch, Department of Fisheries and Oceans, Pacific Biological Station ISBN 13 : Total Pages :97 pages Book Rating :4.:/5 (363 download)
Book Synopsis Proceedings of the 1994 Salmon Escapement Workshop, Plus and Annotated Bibliography on Escapement Estimation by : Irvine, James R
Download or read book Proceedings of the 1994 Salmon Escapement Workshop, Plus and Annotated Bibliography on Escapement Estimation written by Irvine, James R and published by Nanaimo, B.C. : Science Branch, Department of Fisheries and Oceans, Pacific Biological Station. This book was released on 1995 with total page 97 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report documents results from a workshop on the estimation of salmon escapement, defined to be the number of adult salmon that escape marine fisheries and return to freshwater to spawn. The introductory session discussed effective methods for estimating escapement and the variability associated with different estimation techniques. Separate sessions provided area overviews and case studies of escapement estimation in British Columbia and Washington state; a review of salmon escapement databases; presentations on the training of fisheries staff in escapement data collection; and papers on new and developing technologies for salmon escapement estimation, including video technology and hydroacoustics. The bibliography includes references to literature on capture-recapture, visual counts, electronic and video techniques, hydroacoustic and other methods, and geographically-specific studies on escapement.
Book Synopsis The Cambridge Economic History of Latin America by : Victor Bulmer-Thomas
Download or read book The Cambridge Economic History of Latin America written by Victor Bulmer-Thomas and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Green History written by Derek Wall and published by Routledge. This book was released on 2003-09-02 with total page 285 pages. Available in PDF, EPUB and Kindle. Book excerpt: Charting the origins of the modern ecology movement over more than two thousand years, this volume gives a voice to those hidden from history, revealing "green" themes within artistic and scientific thought.
