Survival And Development Of Pink Salmon Oncorhynchus Gorbuscha Embryos And Fry As Related To Egg Size And Quantitative Genetic Variation

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Survival and Development of Pink Salmon (Oncorhynchus Gorbuscha) Embryos and Fry as Related to Egg Size and Quantitative Genetic Variation

Author : Patrick William Malecha
Publisher :
ISBN 13 :
Total Pages : 136 pages
Book Rating : 4.:/5 (55 download)

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Book Synopsis Survival and Development of Pink Salmon (Oncorhynchus Gorbuscha) Embryos and Fry as Related to Egg Size and Quantitative Genetic Variation by : Patrick William Malecha

Download or read book Survival and Development of Pink Salmon (Oncorhynchus Gorbuscha) Embryos and Fry as Related to Egg Size and Quantitative Genetic Variation written by Patrick William Malecha and published by . This book was released on 2002 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The effect of egg weight on survival and development of pink salmon (Oncorhynchus gorbuscha) embryos, alevins, and fry was analyzed; in addition, embryo survival was investigated in relation to additive genetic variation. Embryonic survival to eyeing, development time to hatch, yolk weight, somatic tissue weight, yolk use rate, somatic tissue growth rate, and the survival of first-feeding fry was recorded relative to egg weight. The analyses demonstrated significant egg weight effects on development time to hatch, yolk weight, somatic tissue weight, yolk use rate, and somatic tissue growth rate on alevins. Weight and length of post-emergent fry (17 weeks post-ponding) were also significantly affected by initial egg weight. However, egg weight did not affect survival of eyed eggs or fry. Differential family-specific survival of eyed eggs indicated the presence of significant additive genetic variation"--Leaf 3.

Quantitative Genetic Analysis Or Rate of Embryonic Development in Pink Salmon (Oncorhynchus Gorbuscha)

Author : Kyle Peter Hebert
Publisher :
ISBN 13 :
Total Pages : 168 pages
Book Rating : 4.:/5 (333 download)

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Book Synopsis Quantitative Genetic Analysis Or Rate of Embryonic Development in Pink Salmon (Oncorhynchus Gorbuscha) by : Kyle Peter Hebert

Download or read book Quantitative Genetic Analysis Or Rate of Embryonic Development in Pink Salmon (Oncorhynchus Gorbuscha) written by Kyle Peter Hebert and published by . This book was released on 1994 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Genetic Variation in the Embryonic Development Rate of Odd and Even Year Pink Salmon (Oncorhynchus Gorbuscha) in Auke Creek, Alaska

Author : John Edward Joyce
Publisher :
ISBN 13 :
Total Pages : 212 pages
Book Rating : 4.:/5 (342 download)

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Book Synopsis Genetic Variation in the Embryonic Development Rate of Odd and Even Year Pink Salmon (Oncorhynchus Gorbuscha) in Auke Creek, Alaska by : John Edward Joyce

Download or read book Genetic Variation in the Embryonic Development Rate of Odd and Even Year Pink Salmon (Oncorhynchus Gorbuscha) in Auke Creek, Alaska written by John Edward Joyce and published by . This book was released on 1986 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Canadian Journal of Fisheries and Aquatic Sciences

Author :
Publisher :
ISBN 13 :
Total Pages : 774 pages
Book Rating : 4.:/5 (31 download)

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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 2011 with total page 774 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Effect of Quality of the Spawning Bed on Growth and Development of Pink Salmon Embryos and Alevins

Author : Ralph A. Wells
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Effect of Quality of the Spawning Bed on Growth and Development of Pink Salmon Embryos and Alevins by : Ralph A. Wells

Download or read book Effect of Quality of the Spawning Bed on Growth and Development of Pink Salmon Embryos and Alevins written by Ralph A. Wells and published by . This book was released on 1970 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Alaska Fishery Research Bulletin

Author :
Publisher :
ISBN 13 :
Total Pages : 86 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Alaska Fishery Research Bulletin by :

Download or read book Alaska Fishery Research Bulletin written by and published by . This book was released on 1998 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Effects of Outbreeding on Embryonic Development Timing of Pink Salmon (Oncorhynchus Gorbuscha)

Author : Ivan Alan Wang
Publisher :
ISBN 13 :
Total Pages : 134 pages
Book Rating : 4.:/5 (569 download)

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Book Synopsis Effects of Outbreeding on Embryonic Development Timing of Pink Salmon (Oncorhynchus Gorbuscha) by : Ivan Alan Wang

Download or read book Effects of Outbreeding on Embryonic Development Timing of Pink Salmon (Oncorhynchus Gorbuscha) written by Ivan Alan Wang and published by . This book was released on 2004 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: "I studied the effects of outbreeding on embryonic development timing of pink salmon. I used standardized development stages and germ ring opening measurements to compare the variation of development at epiboly for odd- and even-broodyear F2 hybrids. Analyses of timing of development at epiboly showed no effects of outbreeding depression, but did show a maternal effect for both crosses and backcrosses; and backcross families differed between replicates. These observations suggest that experimental designs lacking consideration of maternal effects or testing for replicate container effects in early salmon development studies may be flawed. I also compared the variation of hatching times for hybrids of two pink salmon populations, Pillar Creek (Kodiak, Alaska) and Auke Creek (Juneau, Alaska), which are separated by about 1,000 km. Analyses of hatching time showed that families with more Pillar Creek genes required more time to hatch at a given temperature. The differences in hatching time between the pink salmon from Auke and Pillar creeks demonstrates that they differed genetically. Both additive and epistatic types of outbreeding depression influenced the differences in hatching time. Prudent resource management requires knowledge of the biogeographical history and the genetic composition of salmon populations with the potential to interbreed"--Leaf iii.

Embryonic Development in Eggs of Sockeye Salmon, Oncorhynchus Nerka

Author : F. P. J. Velsen
Publisher :
ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Embryonic Development in Eggs of Sockeye Salmon, Oncorhynchus Nerka by : F. P. J. Velsen

Download or read book Embryonic Development in Eggs of Sockeye Salmon, Oncorhynchus Nerka written by F. P. J. Velsen and published by . This book was released on 1980 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Quantitative Genetic Analysis of a Fitness Related Life-history Character, Development Rate, in Odd- and Even-year Populations of Pink Salmon (Oncorhynchus Gorbuscha)

Download Quantitative Genetic Analysis of a Fitness Related Life-history Character, Development Rate, in Odd- and Even-year Populations of Pink Salmon (Oncorhynchus Gorbuscha) PDF Online Free

Author : Patrick Lee Goddard
Publisher :
ISBN 13 :
Total Pages : 198 pages
Book Rating : 4.:/5 (392 download)

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Book Synopsis Quantitative Genetic Analysis of a Fitness Related Life-history Character, Development Rate, in Odd- and Even-year Populations of Pink Salmon (Oncorhynchus Gorbuscha) by : Patrick Lee Goddard

Download or read book Quantitative Genetic Analysis of a Fitness Related Life-history Character, Development Rate, in Odd- and Even-year Populations of Pink Salmon (Oncorhynchus Gorbuscha) written by Patrick Lee Goddard and published by . This book was released on 1995 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Effect Of Prudhoe Bay Crude Oil On Survival And Growth Of Eggs, Alevins, And Fry Of Pink Salmon, Oncorhynchus Gorbuscha

Author : Stanley Donald Rice
Publisher :
ISBN 13 :
Total Pages : 5 pages
Book Rating : 4.:/5 (417 download)

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Book Synopsis Effect Of Prudhoe Bay Crude Oil On Survival And Growth Of Eggs, Alevins, And Fry Of Pink Salmon, Oncorhynchus Gorbuscha by : Stanley Donald Rice

Download or read book Effect Of Prudhoe Bay Crude Oil On Survival And Growth Of Eggs, Alevins, And Fry Of Pink Salmon, Oncorhynchus Gorbuscha written by Stanley Donald Rice and published by . This book was released on 19?? with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Relationship Between Egg Size and Fish Size in Pink Salmon (Oncorhynchus Gorbuscha) from the Lower Babine River in 1966 and 1967

Author : Bilton, H. T
Publisher : Nanaimo, B.C. : Fisheries Research Board of Canada
ISBN 13 :
Total Pages : 5 pages
Book Rating : 4.:/5 (243 download)

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Book Synopsis Relationship Between Egg Size and Fish Size in Pink Salmon (Oncorhynchus Gorbuscha) from the Lower Babine River in 1966 and 1967 by : Bilton, H. T

Download or read book Relationship Between Egg Size and Fish Size in Pink Salmon (Oncorhynchus Gorbuscha) from the Lower Babine River in 1966 and 1967 written by Bilton, H. T and published by Nanaimo, B.C. : Fisheries Research Board of Canada. This book was released on 1973 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:

First-generation Effects on Development Time of Outcrossing Between Geographically Isolated and Seasonally Isolated Populations of Pink Salmon (Oncorhynchus Gorbuscha)

Download First-generation Effects on Development Time of Outcrossing Between Geographically Isolated and Seasonally Isolated Populations of Pink Salmon (Oncorhynchus Gorbuscha) PDF Online Free

Author : Jesse D. Echave
Publisher :
ISBN 13 :
Total Pages : 86 pages
Book Rating : 4.:/5 (72 download)

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Book Synopsis First-generation Effects on Development Time of Outcrossing Between Geographically Isolated and Seasonally Isolated Populations of Pink Salmon (Oncorhynchus Gorbuscha) by : Jesse D. Echave

Download or read book First-generation Effects on Development Time of Outcrossing Between Geographically Isolated and Seasonally Isolated Populations of Pink Salmon (Oncorhynchus Gorbuscha) written by Jesse D. Echave and published by . This book was released on 2010 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Bootstrap analyses of hatch data collected during two independent experiments revealed that hybridization between pink salmon (Oncorhynchus gorbuscha) breeding populations separated at either a large geographic scale or a fine temporal scale can influence development time. Restricted maximum likelihood estimators also revealed that sire, dam, cross, and parental interaction can influence genetic variance associated with development time at either scale. Few studies have investigated the extent of local adaptation that results from fine-scale ecological variation, the genetic underpinnings of that adaptation, or the potential impacts outbreeding at that level may have on fitness. We tested whether or not local adaptation contributed to genetic divergence among subpopulations of pink salmon that overlap temporally within the same spawning habitat (early-run fish and late-run fish within Auke Creek, near Juneau, Alaska) by determining whether or not outbreeding influenced development time (a fitness-related trait) in first-generation hybrids. We examined genetic divergence among populations isolated at a much broader scale (Pillar Creek on Kodiak Island, Alaska, and Auke Creek, 1,000 km great circle distance) as a more extreme reference to local adaptation. Results provide evidence that development time is locally adapted and expressed primarily in a locus-by-locus manner" -- Leaf iii.

Success of Pink Salmon Spawning Relative to Size of Spawning Bed Materials

Author : William J. McNeil
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Success of Pink Salmon Spawning Relative to Size of Spawning Bed Materials by : William J. McNeil

Download or read book Success of Pink Salmon Spawning Relative to Size of Spawning Bed Materials written by William J. McNeil and published by . This book was released on 1964 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Genetic Analysis of Development Mortality in Oiled and Unoiled Lines of Pink Salmon

Author : William W. Smoker
Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.:/5 (923 download)

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Book Synopsis Genetic Analysis of Development Mortality in Oiled and Unoiled Lines of Pink Salmon by : William W. Smoker

Download or read book Genetic Analysis of Development Mortality in Oiled and Unoiled Lines of Pink Salmon written by William W. Smoker and published by . This book was released on 1998 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Offspring of oil-exposed salmon show reduced reproductive fitness. Eggs cultured in replicate laboratory incubators from factorial matings of adult offspring of pink salmon exposed to Exxon Valdez crude oil were 60% less likely to complete early embryonic development than eggs cultured from salmon in a control line. This fitness loss occurred despite the success of the offspring of oil-exposed salmon in completing their anadromous life cycle in the North Pacific Ocean. Further loss of reproductive fitness was evident in that embryonic development of the remaining viable eggs of the oil-exposed line was disrupted; hatching was significantly advanced (four days) compared to embryos derived from the control line. Total phenotype variation both of embryo mortality and of embryo development time in offspring of oil-exposed salmon was nearly double total phenotype variation in offspring of the control line." -- leaf 2.

Principles of Salmonid Culture

Author : W. Pennell
Publisher : Elsevier
ISBN 13 : 0080539661
Total Pages : 1071 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Principles of Salmonid Culture by : W. Pennell

Download or read book Principles of Salmonid Culture written by W. Pennell and published by Elsevier. This book was released on 1996-10-11 with total page 1071 pages. Available in PDF, EPUB and Kindle. Book excerpt: As salmonids have been reared for more than a century in many countries, one might expect that principles are well established and provide a solid foundation for salmonid aquaculture. Indeed, some of the methods used today in salmonid rearing are nearly identical to those employed one hundred years ago. Areas of salmonid research today include nutrition, smolt and stress physiology, genetics and biotechnology. The purpose of this book is to provide a useful synthesis of the biology and culture of salmonid fishes. The important practices in salmonid culture as well as the theory behind them is described. This volume will be of interest to students, researchers, fisheries biologists and managers as well as practising aquaculturists.

Adaptive Genetic Variation in the Wild

Author : Timothy A. Mousseau
Publisher : Oxford University Press
ISBN 13 : 0195344170
Total Pages : 276 pages
Book Rating : 4.1/5 (953 download)

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Book Synopsis Adaptive Genetic Variation in the Wild by : Timothy A. Mousseau

Download or read book Adaptive Genetic Variation in the Wild written by Timothy A. Mousseau and published by Oxford University Press. This book was released on 2000-01-13 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two of the great mysteries of biology yet to be explored concern the distribution and abundance of genetic variation in natural populations and the genetic architecture of complex traits. These are tied together by their relationship to natural selection and evolutionary history, and some of the keys to disclosing these secrets lie in the study of wild organisms in their natural environments. This book, featuring a superb selection of papers from leading authors, summarizes the state of current understanding about the extent of genetic variation within wild populations and the ways to monitor such variation. It proposes the idea that a fundamental objective of evolutionary ecology is necessary to predict organism, population, community, and ecosystem response to environmental change. In fact, the overall theme of the papers centers around the expression of genetic variation and how it is shaped by the action of natural selection in the natural environment. Patterns of adaptation in the past and the genetic basis of traits likely to be under selection in a dynamically changing environment is discussed along with a wide variety of techniques to test for genetic variation and its consequences, ranging from classical demography to the use of molecular markers. This book is perfect for professionals and graduate students in genetics, biology, ecology, conservation biology, and evolution.

Ecology of Atlantic Salmon and Brown Trout

Author : Bror Jonsson
Publisher : Springer Science & Business Media
ISBN 13 : 9400711891
Total Pages : 720 pages
Book Rating : 4.4/5 (7 download)

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Book Synopsis Ecology of Atlantic Salmon and Brown Trout by : Bror Jonsson

Download or read book Ecology of Atlantic Salmon and Brown Trout written by Bror Jonsson and published by Springer Science & Business Media. This book was released on 2011-05-03 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt: Destruction of habitat is the major cause for loss of biodiversity including variation in life history and habitat ecology. Each species and population adapts to its environment, adaptations visible in morphology, ecology, behaviour, physiology and genetics. Here, the authors present the population ecology of Atlantic salmon and brown trout and how it is influenced by the environment in terms of growth, migration, spawning and recruitment. Salmonids appeared as freshwater fish some 50 million years ago. Atlantic salmon and brown trout evolved in the Atlantic basin, Atlantic salmon in North America and Europe, brown trout in Europe, Northern Africa and Western Asia. The species live in small streams as well as large rivers, lakes, estuaries, coastal seas and oceans, with brown trout better adapted to small streams and less well adapted to feeding in the ocean than Atlantic salmon. Smolt and adult sizes and longevity are constrained by habitat conditions of populations spawning in small streams. Feeding, wintering and spawning opportunities influence migratory versus resident lifestyles, while the growth rate influences egg size and number, age at maturity, reproductive success and longevity. Further, early experiences influence later performance. For instance, juvenile behaviour influences adult homing, competition for spawning habitat, partner finding and predator avoidance. The abundance of wild Atlantic salmon populations has declined in recent years; climate change and escaped farmed salmon are major threats. The climate influences through changes in temperature and flow, while escaped farmed salmon do so through ecological competition, interbreeding and the spreading of contagious diseases. The authors pinpoint essential problems and offer suggestions as to how they can be reduced. In this context, population enhancement, habitat restoration and management are also discussed. The text closes with a presentation of what the authors view as major scientific challenges in ecological research on these species.