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Author : Annette Hoffman
Publisher :
ISBN 13 :
Total Pages : 71 pages
Book Rating : 4.:/5 (372 download)
Download or read book Experimental Designs for Testing Differences in Survival Among Salmonid Populations written by Annette Hoffman and published by . This book was released on 1994 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 82 pages
Book Rating : 4.:/5 (683 download)
Download or read book Experimental Designs for Testing Differences in Survival Among Salmonid Populations written by and published by . This book was released on 1994 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Yakima Fisheries Project (YFP) is a supplementation plan for enhancing salmon runs in the Yakima River basin. It is presumed that inadequate spawning and rearing habitat are limiting factors to population abundance of spring chinook salmon (Oncorhynchus tshawyacha). Therefore, the supplementation effort for spring chinook salmon is focused on introducing hatchery-raised smolts into the basin to compensate for the lack of spawning habitat. However, based on empirical evidence in the Yakima basin, hatchery-reared salmon have survived poorly compared to wild salmon. Therefore, the YFP has proposed to alter the optimal conventional treatment (OCT), which is the state-of-the-art hatchery rearing method, to a new innovative treatment (NIT). The NIT is intended to produce hatchery fish that mimic wild fish and thereby to enhance their survival over that of OCT fish. A limited application of the NIT (LNIT) has also been proposed to reduce the cost of applying the new treatment, yet retain the benefits of increased survival. This research was conducted to test whether the uncertainty using the experimental design was within the limits specified by the Planning Status Report (PSR).
Download or read book Experimental Designs for Testing Differences in Survial Among Salmonid Populations written by and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 468 pages
Book Rating : 4.3/5 (555 download)
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:
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Publisher :
ISBN 13 :
Total Pages : 446 pages
Book Rating : 4.3/5 (129 download)
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1996 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gary H. Thorgaard
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (137 download)
Download or read book Analyzing Behavioral and Physiological Changes During Salmonid Domestication written by Gary H. Thorgaard and published by . This book was released on 2005 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hatchery rearing has become an important tool for supplementing declining salmonid populations. However, there is considerable concern that captive-rearing may result in divergence from the wild phenotype through genetic drift, artificial selection, and adaptation to captivity. Such changes could impair survival of hatchery fish after release. In addition, introgression of maladaptive alleles could threaten native wild populations. We performed a series of experiments to compare behavior and stress physiology between hatchery and hybrid hatchery X wild families of steelhead trout and chinook salmon. In the first experiment, we observed orientation in the water column, activity levels, feeding behavior, and startle behavior but detected no significant differences between hatchery and hybrid families of steelhead trout and chinook salmon. In the second experiment, we detected no difference in aggression level or dominance between hatchery and hybrid families of chinook salmon. In the final experiment, we detected no difference in whole body levels of cortisol in chinook salmon families in response to brief exposure to a predator model. The lack of significant differences suggests that behavior patterns and stress physiology of the hatchery populations that we studied have changed little in response to captive rearing as compared to populations under intense aquaculture. However, shortcomings in our experimental protocols likely affected our ability to detect differences if they exist. The contribution of the hatchery female to the hybrid wild families may have masked wild traits through dominance. Also the statistical power of the experiment could have been improved by including a higher number of families from each population. We conclude with suggestions for applying the protocols from these experiments towards monitoring hatchery populations for domestication.
Author : Lawrence W. Barnthouse
Publisher : CRC Press
ISBN 13 : 1000687503
Total Pages : 448 pages
Book Rating : 4.0/5 (6 download)
Download or read book Population-Level Ecological Risk Assessment written by Lawrence W. Barnthouse and published by CRC Press. This book was released on 2007-09-25 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most ecological risk assessments consider the risk to individual organisms or organism-level attributes. From a management perspective, however, risks to population-level attributes and processes are often more relevant. Despite many published calls for population risk assessment and the abundance of available scientific research and technical tool
Author : Martha Ellen Mather
Publisher :
ISBN 13 :
Total Pages : 336 pages
Book Rating : 4.:/5 (319 download)
Download or read book Selected Proceedings of the International Workshop Entitled "Integrating Across Scales: Predicting Patterns of Change in Atlantic Salmon" written by Martha Ellen Mather and published by . This book was released on 1998 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 450 pages
Book Rating : 4.3/5 (91 download)
Download or read book A Study to Assess Status of Smoltification and Fitness for Ocean Survival of Chinook, Coho, and Steelhead written by and published by . This book was released on 1979 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Andrew P. Hendry
Publisher : Oxford University Press, USA
ISBN 13 : 019514385X
Total Pages : 521 pages
Book Rating : 4.1/5 (951 download)
Download or read book Evolution Illuminated written by Andrew P. Hendry and published by Oxford University Press, USA. This book was released on 2004 with total page 521 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work gives a critical overview on the evolution and population biology of salmon and their relatives. It should appeal to investigators in each of the scientific disciplines it integrates - evolutionary biology, ecology, salmonid biology, management and conservation. Variation in salmonids can be used to illustrate virtually all evolution.
Author :
Publisher :
ISBN 13 :
Total Pages : 880 pages
Book Rating : 4.3/5 (243 download)
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:
Author : David Alan Andow
Publisher : CABI
ISBN 13 : 1845933907
Total Pages : 384 pages
Book Rating : 4.8/5 (459 download)
Download or read book Environmental Risk Assessment of Genetically Modified Organisms written by David Alan Andow and published by CABI. This book was released on 2008 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: Challenges and Opportunities with GM Crops in Vietnam: the Case of Bt Cotton; Cotton Production in Vietnam; Consideration of Problem Formulation an Option Assessment (PFOA) for Environmental Risk Assessment: Bt Cotton in Vietnam; Transgene Locus Structure and Expression; Non-target and Biological Diversity Risk Assessment; Potential Effect of Transgenic Cotton on Non-target Herbivores in Vietnam; Invertebrate Predators in Bt Cotton in Vietnam: Techniques for Prioritizing Species and Developing Risk Hypotheses for Risk Assessment; Potential Effects of Transgenic Cotton on Non-target Insect Parasitoids in Vietnam; Potential Effects of Transgenic Cotton on Flower Visitors in Vietnam; Potential Effects of Transgenic Cotton on Soil Ecosystem Processes in Vietnam; Environmental Risks Associated with Gene Flow from Transgenic Cotton in Vietnam; Resistance Risk Assessment and Management for Bt Cotton in Vietnam; Challenges and Opportunities with Bt Cotton in Vietnam: Synthesis and Recommendations.
Author : Arleen Yar-Li Feng
Publisher :
ISBN 13 :
Total Pages : 200 pages
Book Rating : 4.:/5 (56 download)
Download or read book Survival, Movements and Habitat Selection by Wild and Hatchery Rainbow Trout (Oncorhynchus Mykiss) in a Large California Stream written by Arleen Yar-Li Feng and published by . This book was released on 1996 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Masahide Yuma
Publisher : Springer Science & Business Media
ISBN 13 : 9401590168
Total Pages : 390 pages
Book Rating : 4.4/5 (15 download)
Download or read book Fish biology in Japan: an anthology in honour of Hiroya Kawanabe written by Masahide Yuma and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is a collection of papers assembled to honor Hiroya Kawanabe, an eminent Japanese ecologist who studied fishes and other organisms. Kawanabe retired from his position as Professor at Kyoto University in March 1996. In the first section of the volume his career is highlighted by a biography describing his life and work, a bibliography of his more than 750 lifetime publications, and a personal interview with a colleague who has been close to his work throughout his career. Papers in the second section of the volume include invited reviews of research on fish ecology in Japan, a historical overview of freshwater fishes of Japan, and recent studies on sex change among reef fishes. The 24 papers in the third section of the volume by Japanese fish biologists and their collaborators cover a wide variety of topics on fish biology. These include papers on evolution, genetics, systematics, reproductive biology, early life history, life history variation, behavior, physiology, ecology, and zoogeography. These papers address fishes from lentic, lotic, and marine ecosystems in Japan, Asia, Africa, North America, and in some cases worldwide. One of Hiroya Kawanabe's most brilliant and lasting contributions was to foster collaboration between Japanese ecologists and other scientists.
Author : Byron K. Williams
Publisher : Academic Press
ISBN 13 : 0127544062
Total Pages : 837 pages
Book Rating : 4.1/5 (275 download)
Download or read book Analysis and Management of Animal Populations written by Byron K. Williams and published by Academic Press. This book was released on 2002-04-17 with total page 837 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analysis and Management of Animal Populations deals with the processes involved in making informed decisions about the management of animal populations. It covers the modeling of population responses to management actions, the estimation of quantities needed in the modeling effort, and the application of these estimates and models to the development of sound management decisions. The book synthesizes and integrates in a single volume the methods associated with these themes, as they apply to ecological assessment and conservation of animal populations. Integrates population modeling, parameter estimation and decision-theoretic approaches to management in a single, cohesive framework Provides authoritative, state-of-the-art descriptions of quantitative approaches to modeling, estimation and decision-making Emphasizes the role of mathematical modeling in the conduct of science and management Utilizes a unifying biological context, consistent mathematical notation, and numerous biological examples
Author : U.S. Fish and Wildlife Service
Publisher :
ISBN 13 :
Total Pages : 206 pages
Book Rating : 4.3/5 (91 download)
Download or read book Fisheries and Wildlife Research written by U.S. Fish and Wildlife Service and published by . This book was released on 1981 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: Report on activities in the Divisions of Cooperative Research, Cultural Methods Research, Population Ecology Research, and Population Regulation Research.
Author : Ponzoni
Publisher : WorldFish
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4./5 ( download)
Download or read book Strain comparisons in aquaculture species written by Ponzoni and published by WorldFish. This book was released on with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
