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A Two Stage Information Theoretic Approach To Modeling Landscape Level Attributes And Maximum Recruitment Of Chinook Salmon In The Columbia River Basin
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Book Synopsis A Two-Stage Information-Theoretic Approach to Modeling Landscape-Level Attributes and Maximum Recruitment of Chinook Salmon in the Columbia River Basin by :
Download or read book A Two-Stage Information-Theoretic Approach to Modeling Landscape-Level Attributes and Maximum Recruitment of Chinook Salmon in the Columbia River Basin written by and published by . This book was released on 2000 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many anadromous salmonid stocks in the Pacific Northwest are at their lowest recorded levels, which has raised questions regarding their long-term persistence under current conditions. There are a number of factors, such as freshwater spawning and rearing habitat, that could potentially influence their numbers. Therefore, we used the latest advances in information-theoretic methods in a two-stage modeling process to investigate relationships between landscape-level habitat attributes and maximum recruitment of 25 index stocks of chinook salmon (Oncorhynchus tshawytscha) in the Columbia River basin. Our first-stage model selection results indicated that the Ricker-type, stock recruitment model with a constant Ricker a (i.e., recruits-per-spawner at low numbers of fish) across stocks was the only plausible one given these data, which contrasted with previous unpublished findings. Our second-stage results revealed that maximum recruitment of chinook salmon had a strongly negative relationship with percentage of surrounding subwatersheds categorized as predominantly containing U.S. Forest Service and private moderate-high impact managed forest. That is, our model predicted that average maximum recruitment of chinook salmon would decrease by at least 247 fish for every increase of 33% in surrounding subwatersheds categorized as predominantly containing U.S. Forest Service and privately managed forest. Conversely, mean annual air temperature had a positive relationship with salmon maximum recruitment, with an average increase of at least 179 fish for every increase in 2 C mean annual air temperature.
Book Synopsis A Two-stage Information-theoretic Approach to Modeling Landscape-level Attributes and Maximum Recruitment of Chinook Salmon in the Columbia River Basin by : William L. Thompson
Download or read book A Two-stage Information-theoretic Approach to Modeling Landscape-level Attributes and Maximum Recruitment of Chinook Salmon in the Columbia River Basin written by William L. Thompson and published by . This book was released on 2000 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book CWE written by and published by . This book was released on 1998 with total page 306 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 2003 with total page 880 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Landscape Influences on Stream Habitats and Biological Assemblages by : Robert M. Hughes
Download or read book Landscape Influences on Stream Habitats and Biological Assemblages written by Robert M. Hughes and published by . This book was released on 2006 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt: Linkages among landscape and associated physiochemical and biological characteristics of rivers are explored in the proceedings of a symposium, organized to foster communication among researchers, resource managers, and policy makers in landscape ecology, geographical information systems, and other related fields.
Book Synopsis Population Ecology of Quail by : Thomas V. Dailey
Download or read book Population Ecology of Quail written by Thomas V. Dailey and published by . This book was released on 2002 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Conceptual Plans for Qualitatively and Quantitavely Improving Artificial Propagation of Anadromous Salmonids in the Columbia River Basin by : Gerald R. Bouck
Download or read book Conceptual Plans for Qualitatively and Quantitavely Improving Artificial Propagation of Anadromous Salmonids in the Columbia River Basin written by Gerald R. Bouck and published by . This book was released on 1986 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Return to the River by : Richard N. Williams
Download or read book Return to the River written by Richard N. Williams and published by Elsevier. This book was released on 2005-11-21 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt: Return to the River will describe a new ecosystem-based approach to the restoration of salmon and steelhead populations in the Columbia River, once one of the most productive river basins for anadromous salmonids on the west coast of North America. The approach of this work has broad applicability to all recovery efforts throughout the northern hemisphere and general applicability to fisheries and aquatic restoration efforts throughout the world. The Pacific Northwest is now embroiled in a major public policy debate over the management and restoration of Pacific salmon. The outcome of the debate has the potential to affect major segments of the region's economy - river transportation, hydroelectric production, irrigated agriculture, urban growth, commercial and sport fisheries, etc. This debate, centered as it is on the salmon in all the rivers, has created a huge demand for information. The book will be a powerful addition to that debate. A 15 year collaboration by a diverse group of scientists working on the management and recovery of salmon, steelhead trout, and wildlife populations in the Pacific Northwest Includes over 200 figures, with four-color throughout the book Discusses complex issues such as habitat degradation, juvenile survival through the hydrosystem, the role of artificial production, and harvest reform
Book Synopsis 2005 Joint Assembly by : American Geophysical Union. Joint Assembly
Download or read book 2005 Joint Assembly written by American Geophysical Union. Joint Assembly and published by . This book was released on 2005 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Relationships Between Landscape Habitat Variables and Chinook Salmon Production in the Columbia River Basin by : William L. Thompson
Download or read book Relationships Between Landscape Habitat Variables and Chinook Salmon Production in the Columbia River Basin written by William L. Thompson and published by . This book was released on 1999 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Recommendations for Amendments to the Salmon and Steelhead Provisions of the Columbia River Basin Fish and Wildlife Program by : Columbia River Basin Fish and Wildlife Program
Download or read book Recommendations for Amendments to the Salmon and Steelhead Provisions of the Columbia River Basin Fish and Wildlife Program written by Columbia River Basin Fish and Wildlife Program and published by . This book was released on 1991 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analytical Approaches to Assessing Recovery Options for Snake River Chinook Salmon by : Phaedra Budy
Download or read book Analytical Approaches to Assessing Recovery Options for Snake River Chinook Salmon written by Phaedra Budy and published by . This book was released on 2001 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stock Enhancement and Sea Ranching by : Kenneth M. Leber
Download or read book Stock Enhancement and Sea Ranching written by Kenneth M. Leber and published by John Wiley & Sons. This book was released on 2008-04-15 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt: The collapse of many of the World’s fisheries continues to be of major concern and the enhancement of fish stocks through techniques such as ranching is of huge importance and interest across the globe. This important book, which contains fully peer reviewed and carefully edited papers from the 2nd International Symposium in Stock Enhancement and Sea Ranching is broadly divided into sections covering the following areas: The present situation of stock enhancement Seed quality and techniques for effective stocking Health management of hatchery stocks Methods for evaluating stocking effectiveness Population management in stock enhancement and sea ranching Management of stocked populations Ecological interactions with wild stocks Genetic management of hatchery and wild stocks Socio-economics of stock enhancement Case studies Stock Enhancement and Sea Ranching has been written and edited by some of the world’s foremost authorities in fisheries science and related areas and is essential reading for all fisheries scientists throughout the World. Fish biologists, marine and aquatic scientists, environmental biologists, ecologists, conservationists, aquaculture personnel and oceanographers will all find much of use and interest within this book. All libraries within universities and research establishments where these subjects are studied and taught should have copies of this book on their shelves.
Book Synopsis Wildlife Disease Ecology by : Kenneth Wilson
Download or read book Wildlife Disease Ecology written by Kenneth Wilson and published by Cambridge University Press. This book was released on 2019-11-14 with total page 693 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduces readers to key case studies that illustrate how theory and data can be integrated to understand wildlife disease ecology.
Book Synopsis The Instream Flow Incremental Methodology by : Clair B. Stalnaker
Download or read book The Instream Flow Incremental Methodology written by Clair B. Stalnaker and published by . This book was released on 1995 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Managing California's Water by : Ellen Hanak
Download or read book Managing California's Water written by Ellen Hanak and published by Public Policy Instit. of CA. This book was released on 2011 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Watershed Hydrology by : Vijay P. Singh
Download or read book Watershed Hydrology written by Vijay P. Singh and published by Allied Publishers. This book was released on 2003 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt:
