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Maternal Influences On The Age At Maturity Of Skeena River Sockeye Salmon Oncorhynchus Nerka
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Book Synopsis Maternal Influences on the Age at Maturity of Skeena River Sockeye Salmon (Oncorhynchus Nerka) by : H. T. Bilton
Download or read book Maternal Influences on the Age at Maturity of Skeena River Sockeye Salmon (Oncorhynchus Nerka) written by H. T. Bilton and published by ottawa : queen's printer. This book was released on 1970 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Maternal Effects As Adaptations by : Timothy A. Mousseau
Download or read book Maternal Effects As Adaptations written by Timothy A. Mousseau and published by Oxford University Press. This book was released on 1998-06-18 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mothers have the ability to profoundly affect the quality of their offspring--from the size and quality of their eggs to where, when, and how eggs and young are placed, and from providing for and protecting developing young to choosing a mate. In many instances, these maternal effects may be the single most important contributor to variation in offspring fitness. This book explores the wide variety of maternal effects that have evolved in plants and animals as mechanisms of adaptation to temporally and spatially heterogeneous environments. Topics range from the evolutionary implications of maternal effects to the assessment and measurement of maternal effects. Four detailed case studies are also included. This book represents the first synthesis of the current state of knowledge concerning the evolution of maternal effects and their adaptive significance.
Author :Canada. Department of Fisheries and Oceans Publisher :Fisheries and Oceans, Information and Publications Branch ISBN 13 : Total Pages :508 pages Book Rating :4.:/5 (31 download)
Book Synopsis Sockeye Salmon (Oncorhynchus Nerka) by : Canada. Department of Fisheries and Oceans
Download or read book Sockeye Salmon (Oncorhynchus Nerka) written by Canada. Department of Fisheries and Oceans and published by Fisheries and Oceans, Information and Publications Branch. This book was released on 1987 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: A three-day symposium was organized by the Department of Fisheries and Oceans and convened at Nanaimo, British Columbia in November 1985. Advice on subject matter and participation came from an external committee of senior scientists and administrators in contributing agencies in Canada, Japan, the United States, and the Union of Soviet Socialist Republics. The papers included in the proceedings deal with sockeye biology and stock management. Papers on sockeye biology are divided into those concerned primarily with life history strategies and enhancement and development. Papers dealing with management are divided into the tools of management and management of some principal stocks.
Book Synopsis Journal of the Fisheries Research Board of Canada by : Fisheries Research Board of Canada
Download or read book Journal of the Fisheries Research Board of Canada written by Fisheries Research Board of Canada and published by . This book was released on 1971 with total page 688 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Canadian Journal of Fisheries and Aquatic Sciences by :
Download or read book Canadian Journal of Fisheries and Aquatic Sciences written by and published by . This book was released on 1999 with total page 840 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Variation in Age and Size at Maturity of Lake Clark, Alaska Sockeye Salmon by : Elizabeth B. Benolkin
Download or read book Variation in Age and Size at Maturity of Lake Clark, Alaska Sockeye Salmon written by Elizabeth B. Benolkin and published by . This book was released on 2009 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Salmon returning to Lake Clark, Alaska are a valuable subsistence, commercial and ecological resource, and are an important component of the larger Kvichak River escapement. Average escapement to the Kvichak River declined sharply during 1996-2005, prompting studies to investigate age and size at maturity, key life history traits of salmon linked to reproductive success and survival. We examined potential factors which may influence sockeye salmon Oncorhynchus nerka age and size at maturity: spawning habitat and ocean environment, and examined variation in both traits over time. Sockeye salmon age and length at maturity differed among spawning locations and between brood years, but no consistent patterns were observed among habitat types. Age and length at maturity differed over time; the proportion of older marine age 3 fish was larger in recent brood years, while fish were smaller during 1997-2001 compared to 1976-1980. Sea surface temperatures and coastal upwelling appeared to be important indicators of fish length, highlighting the importance of the ocean environment in salmon growth. These results demonstrate the complexity and importance of both the freshwater and ocean ecosystems in variation in age and size at maturity, and indicate that trends may not necessarily be similar among systems or years"--Leaf iii.
Download or read book Technical Report written by and published by . This book was released on 1977 with total page 636 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Canadian Technical Report of Fisheries and Aquatic Sciences by :
Download or read book Canadian Technical Report of Fisheries and Aquatic Sciences written by and published by . This book was released on 1988 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technical Report - Fisheries Research Board of Canada by :
Download or read book Technical Report - Fisheries Research Board of Canada written by and published by . This book was released on 1970 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Canadian Special Publication of Fisheries and Aquatic Sciences by :
Download or read book Canadian Special Publication of Fisheries and Aquatic Sciences written by and published by . This book was released on 1987 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Skeena River Estuary, Status of Environmental Knowledge to 1975 by : Lindsay M. Hoos
Download or read book The Skeena River Estuary, Status of Environmental Knowledge to 1975 written by Lindsay M. Hoos and published by . This book was released on 1975 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bulletin - International North Pacific Fisheries Commission by :
Download or read book Bulletin - International North Pacific Fisheries Commission written by and published by . This book was released on 1975 with total page 716 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of the Inter-age Crossbreeding of Coho Salmon (Oncorhynchus Kisutch) on Early Mortality and Growth by : Robert L. Hite
Download or read book Effects of the Inter-age Crossbreeding of Coho Salmon (Oncorhynchus Kisutch) on Early Mortality and Growth written by Robert L. Hite and published by . This book was released on 1973 with total page 182 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 Effects of Gulf of Alaska Sockeye Salmon (Oncorhynchus Nerka) Abundance on Survival Body Size, Growth Rate and Age at Maturity of British Columbia and Britol Bay, Alaska Sockeye Populations by : Canada. Department of Fisheries and Oceans
Download or read book Effects of Gulf of Alaska Sockeye Salmon (Oncorhynchus Nerka) Abundance on Survival Body Size, Growth Rate and Age at Maturity of British Columbia and Britol Bay, Alaska Sockeye Populations written by Canada. Department of Fisheries and Oceans and published by . This book was released on 1984 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Proceedings of an International Symposium on the Ageing of Fish by : T. B. Bagenal
Download or read book The Proceedings of an International Symposium on the Ageing of Fish written by T. B. Bagenal and published by . This book was released on 1974 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Inland Fisheries Administrative Report by :
Download or read book Inland Fisheries Administrative Report written by and published by . This book was released on 1981 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt:
