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Counting Errors In Aerial Surveys Of Spawning Salmon Microform Some Effects On Long Term Management Performance And Economic Benefit From Wood River Sockeye Salmon Oncorhynchus Nerka
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Author :Paul Standish Higgins Publisher :National Library of Canada = Bibliothèque nationale du Canada ISBN 13 : Total Pages :172 pages Book Rating :4.:/5 (548 download)
Book Synopsis Counting Errors in Aerial Surveys of Spawning Salmon [microform] : Some Effects on Long-term Management Performance and Economic Benefit from Wood River Sockeye Salmon, Oncorhynchus Nerka by : Paul Standish Higgins
Download or read book Counting Errors in Aerial Surveys of Spawning Salmon [microform] : Some Effects on Long-term Management Performance and Economic Benefit from Wood River Sockeye Salmon, Oncorhynchus Nerka written by Paul Standish Higgins and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 1990 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: Evaluates the performance of fishery management based on escapement information gained from aerial surveys of spawning sockeye salmon in Bristol Bay, Alaska, river systems.
Book Synopsis Marking Sockeye Salmon Scales by Short Periods of Starvation by : Richard L. Major
Download or read book Marking Sockeye Salmon Scales by Short Periods of Starvation written by Richard L. Major and published by . This book was released on 1962 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Ryall, Paul J. (Paul James) Publisher :National Library of Canada ISBN 13 :9780315307315 Total Pages :176 pages Book Rating :4.3/5 (73 download)
Book Synopsis Effect of Smolt Size and Marine Growth Rates on Adult Sockeye Salmon (Oncorhynchus Nerka) Returns and Possible Implications for the Cost by : Ryall, Paul J. (Paul James)
Download or read book Effect of Smolt Size and Marine Growth Rates on Adult Sockeye Salmon (Oncorhynchus Nerka) Returns and Possible Implications for the Cost written by Ryall, Paul J. (Paul James) and published by National Library of Canada. This book was released on 1985 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Using Stock-Specific Thermal Physiology to Simulate In-River Mortality of Fraser River Sockeye Salmon by : Jennifer Karen Carter
Download or read book Using Stock-Specific Thermal Physiology to Simulate In-River Mortality of Fraser River Sockeye Salmon written by Jennifer Karen Carter and published by . This book was released on 2014 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt: Annual estimates of mortality en-route to spawning grounds for certain populations of Fraser River Sockeye salmon (Oncorhynchus nerka) can routinely exceed 50% posing challenges for harvest management and salmon conservation. High estimates of mortality are also correlated with high migration temperatures, suggesting temperature is one of the main factors. However, these estimates of apparent mortality are uncertain as they currently rely on discrepancies between up-river spawning ground estimates and lower river escapement estimates adjusting for estimates of in-river catch. Therefore, applying thermal physiology may serve as a tool to explain the potential contribution temperature-related mortality could have in calculating annual apparent mortality estimates for specific populations. I incorporated short- and long-term mortality functions based on population-specific aerobic scope temperature thresholds and an aggregate accumulation of degree-days threshold to a simulation model to estimate en-route mortality associated with temperature exposure for six Fraser River Sockeye salmon populations: Early Stuart, Gates Creek, Stellako, Chilko, and Weaver Creek. I compared simulated temperature based mortality rates to apparent mortality estimates (i.e. difference between estimates) and tested model sensitivity to uncertainty in short- and long-term LD50, arrival timing, and movement rate parameters. Results show that high temperature is likely a key driver of large en-route loss as both simulated mortality and apparent mortality estimates were higher in warmer years and lower in cooler years. I attribute the simulated mortality rates being generally lower than apparent mortality to the role that other sources of mortality can play (e.g. source error, high discharge). Simulated mortality rates were most sensitive to the short-term LD50 parameter, followed by the long-term LD50 and arrival timing parameters. However, simulated mortality rates were not sensitive to changes in movement rates. The model can explain temperature-related population-specific differences in apparent mortality between co-migrating populations (e.g., up to 80% absolute differences between Chilko and co-migrating populations) and provides evidence that these differences are driven by differences in aerobic scope. My results could inform managers of the relative importance of key parameters (short- and long-term mortality, and arrival timing) when estimating population-specific temperature-related mortality.
Book Synopsis An Evaluation of Two Preseason Forecasting Techniques Using Transformed and Untransformed Abundances of Sibling Age Class Returns of Sockeye Salmon (Oncorhynchus Nerka) with Possible Economic Implications [microform] by : Bocking, Robert Charles
Download or read book An Evaluation of Two Preseason Forecasting Techniques Using Transformed and Untransformed Abundances of Sibling Age Class Returns of Sockeye Salmon (Oncorhynchus Nerka) with Possible Economic Implications [microform] written by Bocking, Robert Charles and published by National Library of Canada. This book was released on 1987 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :John B. Branson Publisher :Department of Interior National Park Service Lake Clark National Park & Preserve ISBN 13 :9780979643217 Total Pages :264 pages Book Rating :4.6/5 (432 download)
Book Synopsis The Canneries, Cabins, and Caches of Bristol Bay, Alaska by : John B. Branson
Download or read book The Canneries, Cabins, and Caches of Bristol Bay, Alaska written by John B. Branson and published by Department of Interior National Park Service Lake Clark National Park & Preserve. This book was released on 2007 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Variability in the Aerial Counts of Spawning Salmon by : Donald Edward Bevan
Download or read book Variability in the Aerial Counts of Spawning Salmon written by Donald Edward Bevan and published by . This book was released on 1960* with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Coastal Ecological Systems of the United States by : Howard T. Odum
Download or read book Coastal Ecological Systems of the United States written by Howard T. Odum and published by Conservation Foundation. This book was released on 1974-06-01 with total page 1977 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aleutian Islands National Wildlife Refuge by :
Download or read book Aleutian Islands National Wildlife Refuge written by and published by . This book was released on 1966 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Earth's Blanket by : Nancy J. Turner
Download or read book The Earth's Blanket written by Nancy J. Turner and published by University of Washington Press. This book was released on 2015-08-03 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a thought-provoking look at Native American stories, cultural institutions, and ways of knowing, and what they can teach us about living sustainably.
Book Synopsis Muskellunge Management by : Kevin L. Kapuscinski
Download or read book Muskellunge Management written by Kevin L. Kapuscinski and published by . This book was released on 2017 with total page 716 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Contributions to the Life-history of the Sockeye Salmon by :
Download or read book Contributions to the Life-history of the Sockeye Salmon written by and published by . This book was released on 1914 with total page 586 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biological Materials of Marine Origin by : Hermann Ehrlich
Download or read book Biological Materials of Marine Origin written by Hermann Ehrlich and published by Springer. This book was released on 2014-12-01 with total page 439 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the second monograph by the author on biological materials of marine origin. The initial book is dedicated to the biological materials of marine invertebrates. This work is a source of modern knowledge on biomineralization, biomimetics and materials science with respect to marine vertebrates. For the first time in scientific literature the author gives the most coherent analysis of the nature, origin and evolution of biocomposites and biopolymers isolated from and observed in the broad variety of marine vertebrate organisms (fish, reptilian, birds and mammals) and within their unique hierarchically organized structural formations. There is a wealth of new and newly synthesized information, including dozens of previously unpublished images of unique marine creatures including extinct, extant and living taxa and their biocomposite-based structures from nano- to micro – and macroscale. This monograph reviews the most relevant advances in the marine biological materials research field, pointing out several approaches being introduced and explored by distinct modern laboratories.
Book Synopsis Genome Mapping and Genomics in Fishes and Aquatic Animals by : Thomas D. Kocher
Download or read book Genome Mapping and Genomics in Fishes and Aquatic Animals written by Thomas D. Kocher and published by Springer Science & Business Media. This book was released on 2008-06-07 with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mapping of animal genomes has generated huge databases and several new concepts and strategies, which are useful to elucidate origin, evolution and phylogeny. Genetic and physical maps of genomes further provide precise details on chromosomal location, function, expression and regulation of academically and economically important genes. The series Genome Mapping and Genomics in Animals provides comprehensive and up-to-date reviews on genomic research on a large variety of selected animal systems, contributed by leading scientists from around the world. This volume summarizes the first era of genomic studies of aquaculture species, in which the tools and resources necessary to support whole-genome sequencing were developed. These tools will enhance efforts toward selective breeding of aquaculture species. Included in this volume are summaries of work on salmonids, cyprinids, catfish, tilapias, European sea bass, Japanese flounder, shrimps and oysters.
Book Synopsis Atlas of British Columbia by : Albert L. Farley
Download or read book Atlas of British Columbia written by Albert L. Farley and published by University of Washington Press. This book was released on 1979 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Atlas of British Columbia is the first majorcartographic study of the province to be published since 1956. Createdthrough close co-operation between government, the private sector, andthe unviersity, it is the successor to the British Columbia Atlasof Resources which, for twenty years, has been the standardreference work used by schools, industry, government, and the generalpublic. The most recent data available have been used to give an accurate,comprehensive picture of British Columbia's economy as it is today.Comparative studies show the development orf the province'smanpower and natural resources as well as the rapid growth of industryand technology since the beginning of the century. In party, theemphasis of the atlas reflects thousands of specific requests forup-to-date resource information rercorded over the last ten years.
Book Synopsis Liberalism, Surveillance, and Resistance by : Keith Douglas Smith
Download or read book Liberalism, Surveillance, and Resistance written by Keith Douglas Smith and published by Athabasca University Press. This book was released on 2009 with total page 335 pages. Available in PDF, EPUB and Kindle. Book excerpt: Canada is regularly presented as a country where liberalism has ensured freedom and equality for all. Yet as Canada expanded westward and colonized First Nations territories, liberalism did not operate to advance freedom or equality for Indigenous people or protect their property. In reality it had a markedly debilitating effect on virtually every aspect of their lives. This book explores the operation of exclusionary liberalism between 1877 and 1927 in southern Alberta and the southern interior of British Columbia. In order to facilitate and justify liberal colonial expansion, Canada relied extensively on surveillance, which operated to exclude and reform Indigenous people. By persisting in Anglo-Canadian liberal capitalist values, structures, and interests as normal, natural, and beyond reproach, it worked to exclude or restructure the economic, political, social, and spiritual tenets of Indigenous cultures. Further surveillance identified which previously reserved lands, established on fragments of First Nations territory, could be further reduced by a variety of dubious means. While none of this preceded unchallenged, surveillance served as well to mitigate against, even if it could never completely neutralize, opposition.
Book Synopsis Conservation Biology by : Fred Van Dyke
Download or read book Conservation Biology written by Fred Van Dyke and published by Springer Science & Business Media. This book was released on 2008-02-28 with total page 491 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fred Van Dyke’s new textbook, Conservation Biology: Foundations, Concepts, Applications, 2nd Edition, represents a major new text for anyone interested in conservation. Drawing on his vast experience, Van Dyke’s organizational clarity and readable style make this book an invaluable resource for students in conservation around the globe. Presenting key information and well-selected examples, this student-friendly volume carefully integrates the science of conservation biology with its implications for ethics, law, policy and economics.
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