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Genetic Variation In The Embryonic Development Rate Of Odd And Even Year Pink Salmon Oncorhynchus Gorbuscha In Auke Creek Alaska
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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:
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:
Book Synopsis Genetic Variation in Populations of Pink Salmon (Oncorhynchus Gorbuscha) from Kodiak Island, Alaska by : Kenneth Ralph Johnson
Download or read book Genetic Variation in Populations of Pink Salmon (Oncorhynchus Gorbuscha) from Kodiak Island, Alaska written by Kenneth Ralph Johnson and published by . This book was released on 1979 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic Interaction of Auke Creek Hatchery Pink Salmon with Natural Spawning Stocks in Auke Creek by : Anthony John Gharrett
Download or read book Genetic Interaction of Auke Creek Hatchery Pink Salmon with Natural Spawning Stocks in Auke Creek written by Anthony John Gharrett and published by . This book was released on 1985 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Distribution of Spawning Pink Salmon in Sashin Creek, Southeastern Alaska, and Survival of Their Progeny by : William J. McNeil
Download or read book Distribution of Spawning Pink Salmon in Sashin Creek, Southeastern Alaska, and Survival of Their Progeny written by William J. McNeil and published by . This book was released on 1966 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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.
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.
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:
Book Synopsis Biological Characteristics and Population Status of Anadromous Salmon in Southeast Alaska by :
Download or read book Biological Characteristics and Population Status of Anadromous Salmon in Southeast Alaska written by and published by . This book was released on 2000 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis General Technical Report PNW-GTR by :
Download or read book General Technical Report PNW-GTR written by and published by . This book was released on 1999 with total page 990 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Return and Behavior of Adults of the First Filial Generation of Transplanted Pink Salmon and Survival of Their Progeny, Sashin Creek, Baranof Island, Alaska by : Robert J. Ellis
Download or read book Return and Behavior of Adults of the First Filial Generation of Transplanted Pink Salmon and Survival of Their Progeny, Sashin Creek, Baranof Island, Alaska written by Robert J. Ellis and published by . This book was released on 1969 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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.
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 1998 with total page 1260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic and Environmental Effects on Developmental Timing, Otolith Formation, and Gill Raker Development in Pink Salmon from Auke Creek, Alaska by : Dion Oxman
Download or read book Genetic and Environmental Effects on Developmental Timing, Otolith Formation, and Gill Raker Development in Pink Salmon from Auke Creek, Alaska written by Dion Oxman and published by . This book was released on 2012 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: To determine how inheritance, environment, and hybridization influenced developmental timing, otolith formation, and gill raker development in pink salmon (Oncorhynchus oorbuscha), full and half-sibling families from Auke Creek, Alaska and third generation outbred hybrids between Auke Creek females and Pillar Creek males from Kodiak Island, Alaska (1,000 km distant) were incubated in ambient, chilled, and warmed water. Variation in development time of embryos from the odd-year broodline was primarily influenced by additive genetic factors, whereas no genetic effect was detected in the even-year run. No genotype-by environment (GxE) effects were associated with sires or families in either broodline, indicating that the observed variation in development time was likely the result of phenotypic plasticity. Hybridization (outbreeding) significantly prolonged development time in both broodlines, indicating that the phenotypic effects of outbreeding can last at least three generations. Early otolith development was genetically conserved and canalized, but the phenotypic expression of these genes is plastic and strongly influenced by environmental factors. There was no evidence that local adaptation or outbreeding influenced otolith morphology or shape. Otoliths from fish exposed to thermal stress were bilaterally asymmetrical, whereas the bilateral symmetry of otoliths from outbred fish exhibited evidence of heterosis because they were more symmetrical than their native counterparts. Unlike development time and otoliths, gill raker development was linear and consistently stable in the face of both hybridization and environmental stress. These results make it clear that different biological attributes respond to genetic control and stress in different ways.
Book Synopsis The Effects of Ocean Temperatures on the Survival of the Odd- and Even-year Pink Salmon (Oncorhynchus Gorbuscha) Populations Originating from Prince William Sound, Alaska by : T. Mark Willette
Download or read book The Effects of Ocean Temperatures on the Survival of the Odd- and Even-year Pink Salmon (Oncorhynchus Gorbuscha) Populations Originating from Prince William Sound, Alaska written by T. Mark Willette and published by . This book was released on 1985 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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:
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:
