Download or read book Genetic Sex of Chinook Salmon in the Columbia River Basin written by James J. Nagler and published by . This book was released on 2004 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: It has previously been documented that naturally spawning, female fall-run chinook salmon (Oncorhynchus tshawytscha) from the Hanford Reach on the Columbia River carried a male-linked genetic marker, OtY1. The primary objective of this study was to investigate the spatial and temporal nature of this observation by sampling adults from the Hanford Reach and two other new sites, the lower Yakima River and at Ives Island below Bonneville Dam, in sequential years (2001 and 2002). A hatchery population on the Columbia River (Priest Rapids Hatchery) was sampled too. A total of 364 male and 359 female fall-run chinook salmon were sampled over the two spawning seasons from all sites. Detection of the male-linked genetic marker OtY1 in male fish was found to be 100% consistent with the phenotypic male sex in all populations sampled. A variable proportion of females from all sites tested positive for OtY1. This ranged from 67% at Ives Island in 2001 to 0% at the Priest Rapids Hatchery in 2002. A significant reduction of OtY1 incidence in females sampled in 2002 compared to 2001 emerged at all sites. A second objective sought evidence that a YY genotype might exist in the populations sampled. A real-time PCR method based on the growth hormone pseudogene (GHp), another male-linked chinook salmon genetic marker, was developed and tested to determine whether a YY genotype might be detected. The experimental variability between different XY individuals precluded its use to discriminate an YY from an XY genotype. During associated work on new chinook salmon sex linked genetic markers a new Y chromosome linked genetic marker, OtY2, was discovered.
Download or read book Genetics of Subpolar Fish and Invertebrates written by Anthony J. Gharrett and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 457 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fisheries genetics researchers will find invaluable the thirty-eight peer-reviewed contributions in this book, presented at the 20th Lowell Wakefield Fisheries Symposium "Genetics of Subpolar Fish and Invertebrates," held in May 2002 in Juneau, Alaska. Looming over concerns of lost fisheries stocks and persistent erosion of genetic variability are predictions of global warming, which may further tax genetic resources. One consequence is an increased reliance on genetic applications to many aspects of fisheries management, aquaculture, and conservation. The contributions in this book are important to modern fisheries science and genetics, and illustrate the evolution of the field over the past decade. The improved technology provides tools to address increasingly complicated problems in traditional applications and ecological and behavioral studies. The union between molecular and quantitative genetics, where many of the major questions about population structure and evolution remain unanswered, will also benefit from the new technologies.
Download or read book Ecological Genetics of Fall run Chinook Salmon Oncorhynchus Tshawytscha in California s Central Valley written by Kevin Sean Williamson and published by . This book was released on 2004 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Environmental Health Perspectives written by and published by . This book was released on 2003 with total page 1532 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book 107 2 Hearings Department of The Interior and Related Agencies Appropriations For 2003 Part 6 February 27 2002 written by and published by . This book was released on 2002 with total page 1126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Department of the Interior and Related Agencies Appropriations for 2003 Secretary of the Interior Office of Surface Mining Reclamation and Enforcement written by United States. Congress. House. Committee on Appropriations. Subcommittee on Department of the Interior and Related Agencies and published by . This book was released on 2002 with total page 636 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Occurrence of Two Male specific Genetic Markers in Populations of Fall Chinook Salmon from the Columbia River written by Trevor R. Chowen and published by . This book was released on 2003 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fish and Wildlife Implementation Plan written by and published by . This book was released on 2003 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Pacific Salmon their Ecosystems written by Deanna J. Stouder and published by Springer Science & Business Media. This book was released on 2012-02-02 with total page 681 pages. Available in PDF, EPUB and Kindle. Book excerpt: The symposium "Pacific Salmon and Their Ecosystems: Status and Future Options',' and this book resulted from initial efforts in 1992 by Robert J. Naiman and Deanna J. Stouder to examine the problem of declining Pacific salmon (Oncorhynchus spp.). Our primary goal was to determine informational gaps. As we explored different scientific sources, state, provincial, and federal agencies, as well as non-profit and fishing organizations, we found that the information existed but was not being communicated across institutional and organizational boundaries. At this juncture, we decided to create a steering committee and plan a symposium to bring together researchers, managers, and resource users. The steering committee consisted of members from state and federal agencies, non-profit organizations, and private industry (see Acknowledgments for names and affiliations). In February 1993, we met at the University of Washington in Seattle to begin planning the symposium. The steering committee spent the next four months developing the conceptual framework for the symposium and the subsequent book. Our objectives were to accomplish the following: (1) assess changes in anadromous Pacific Northwest salmonid populations, (2) examine factors responsible for those changes, and (3) identify options available to society to restore Pacific salmon in the Northwest. The symposium on Pacific Salmon was held in Seattle, Washington, January 10-12, 1994. Four hundred and thirty-five people listened to oral presentations and examined more than forty posters over two and a half days. We made a deliberate attempt to draw in speakers and attendees from outside the Pacific Northwest.
Download or read book Fishery Bulletin written by and published by . This book was released on 1989 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NOAA Technical Report NMFS written by and published by . This book was released on 1984 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Sex Ratios of Juvenile and Adult Chinook Salmon in the Kuskokwim and Yukon Rivers written by Jeffrey B. Olsen and published by . This book was released on 2006 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: By estimating the genetic sex ratio of age-2 Chinook salmon juveniles from the Kwethluk, Tuluksak, and Gisasa Rivers in western Alaska, this project gathers tentative support for the hypothesis that sex ratio distortion in chinook salmon populations is due to gender-biased marine survival rates rather than other causes such as sex inversion during embryo development.
Download or read book Fluctuations in Abundance of Columbia River Chinook Salmon 1928 54 written by Harold A. Gangmark and published by . This book was released on 1956 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Conservation and the Genetics of Populations written by Fred W. Allendorf and published by John Wiley & Sons. This book was released on 2009-03-12 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt: Conservation and the Genetics of Populations gives acomprehensive overview of the essential background, concepts, andtools needed to understand how genetic information can be used todevelop conservation plans for species threatened withextinction. Provides a thorough understanding of the genetic basis ofbiological problems in conservation. Uses a balance of data and theory, and basic and appliedresearch, with examples taken from both the animal and plantkingdoms. An associated website contains example data sets and softwareprograms to illustrate population genetic processes and methods ofdata analysis. Discussion questions and problems are included at the end ofeach chapter to aid understanding. Features Guest Boxes written by leading people in the fieldincluding James F. Crow, Nancy FitzSimmons, Robert C. Lacy, MichaelW. Nachman, Michael E. Soule, Andrea Taylor, Loren H. Rieseberg,R.C. Vrijenhoek, Lisette Waits, Robin S. Waples and AndrewYoung. Supplementary information designed to support Conservationand the Genetics of Populations including: Downloadable sample chapter Answers to questions and problems Data sets illustrating problems from the book Data analysis software programs Website links An Instructor manual CD-ROM for this title is available. Pleasecontact our Higher Education team at ahref="mailto:[email protected]"[email protected]/afor more information.
Download or read book Yakima River Basin Fisheries Project written by and published by . This book was released on 1996 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Behavior and Ecology of Pacific Salmon and Trout written by Thomas P. Quinn and published by UBC Press. This book was released on 2005 with total page 391 pages. Available in PDF, EPUB and Kindle. Book excerpt: Few subjects have generated as much emotional dialogue around conflicting scientific and policy agendas as the protection and management of Pacific salmon resources. In this major new work, esteemed fisheries expert Thomas Quinn distills from the vast scientific literature the essential information on the behavior and ecology of Pacific salmon, including steelhead and cutthroat trout. Unlike other books that examine only selected life stages, habitats, or species, this book--richly illustrated with beautiful photographs and original drawings--thoroughly covers the complete life cycle, emphasizing common themes and differences among the various species of salmon. Representing the range of species and geographic regions, Quinn includes examples from classic studies by pioneers of salmon biology and from the most current research to illustrate the important features of salmon life history and behavior and the complex physical, biological, and human factors that affect them. The Behavior and Ecology of Pacific Salmon and Trout introduces salmon and trout as a group, with a brief description of each species, and compares them to other fishes. The book then follows salmon on their amazing homeward migration from the open ocean, through the complex coastal waters, and upstream to the precise location where they were spawned years earlier. It explains the patterns of mate choice, the competition for nest sites, and the fate of the salmon after their death. It describes the lives of offspring during the months they spend incubating in gravel, growing in fresh water, and migrating out to sea to mature. Quinn emphasizes the importance of salmon to humans and to natural ecosystems and the need to integrate sound biology into conservation efforts. This thorough, up-to-date survey should be on the shelf of anyone with a professional or personal interest in Pacific salmon and trout. Written in a technically accurate but engaging style, it will appeal to a wide range of readers, including students, anglers, biologists, conservationists, legislators, and armchair naturalists.
