Embryonic Development In Eggs Of Sockeye Salmon Oncorhynchus Nerka PDF Download
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Author | : F. P. J. Velsen |
Publisher | : |
Total Pages | : 30 |
Release | : 1980 |
Genre | : Eggs |
ISBN | : |
Download Embryonic Development in Eggs of Sockeye Salmon, Oncorhynchus Nerka Book in PDF, ePub and Kindle
Author | : Lorne E. White |
Publisher | : |
Total Pages | : 22 |
Release | : 1978* |
Genre | : Sockeye salmon |
ISBN | : |
Download Evaluation of a Salmon Egg Planting Device for Sockeye Salmon (Oncorhynchus Nerka) Fry Book in PDF, ePub and Kindle
Author | : Cornelis Groot |
Publisher | : UBC Press |
Total Pages | : 534 |
Release | : 2010-10-01 |
Genre | : Nature |
ISBN | : 9780774859868 |
Download Physiological Ecology of Pacific Salmon Book in PDF, ePub and Kindle
Every year, countless juvenile Pacific salmon leave streams and rivers on their migration to feeding grounds in the North Pacific Ocean and the Bering Sea. After periods ranging from a few months to several years, adult salmon enter rivers along the coasts of Asia and North America to spawn and complete their life cycle. Within this general outline, various life history patterns, both among and within species, involve diverse ways of exploiting freshwater, estuarine, and marine habitats. There are seven species of Pacific salmon. Five (coho, chinook chum, pink, and sockeye) occur in both North America and Asia. Their complex life histories and spectacular migrations have long fascinated biologists and amateurs alike. Physiological Ecology of Pacific Salmon provides comprehensive reviews by leading researchers of the physiological adaptations that allow Pacific Salmon to sustain themselves in the diverse environments in which they live. It begins with an analysis of energy expenditure and continues with reviews of locomotion, growth, feeding, and nutrition. Subsequent chapters deal with osmotic adjustments enabling the passage between fresh and salt water, nitrogen excretion and regulation of acid-base balance, circulation and gas transfer, and finally, responses to stress. This thorough and authoritative volume will be a valuable reference for students and researchers of biology and fisheries science as they seek to understand the environmental requirements for the perpetuation of these unique and valuable species.
Author | : Morgan McKenzie Sparks |
Publisher | : |
Total Pages | : 196 |
Release | : 2016 |
Genre | : Sockeye salmon |
ISBN | : |
Download Climate, Embryonic Development, and Potential for Adaptation to Warming Water Temperatures by Bristol Bay Sockeye Salmon Book in PDF, ePub and Kindle
Rapidly warming water temperatures associated with climate change represent a substantial disturbance to the habitat of aquatic ectothermic organisms. For salmonid fishes (family Salmonidae), early life history survival and timing of reproduction and development are closely tied to temperature, such that altered thermal regimes could alter patterns of survival or shift phenology into a mismatch with the environment. Because temperature is the dominant driver of developmental rates, empirical statistical models have been developed to predict the timing of hatching and fry emergence based on incubation temperature. In this thesis I explored how the timing of hatching and emergence may shift in response to warming temperatures and how spawning timing across an Alaskan landscape is shaped by incubation temperatures experienced by sockeye salmon (Oncorhynchus nerka) embryos and alevin. Additionally, I quantified the relative roles of genetics and environmentally induced plasticity on the timing of hatching in two populations of sockeye salmon from the Iliamna Lake system, Alaska by rearing them in common garden conditions in the laboratory. To meet these goals I reformulated a widely cited developmental model to incorporate variability in natural regimes and use it to predict hatching timing over the course of the spawning duration for 25 populations of Bristol Bay sockeye salmon. Additionally, I hind- and forecasted lake temperature based off historical and predicted air temperatures to estimate and predict hatching for a single population. I found that predicted hatching timing for wild populations varied between 58 and 260 days, and was largely variable as a result of habitat thermal heterogeneity and parental spawn time. I also predicted a three-week decrease in hatching timing over the course of the next century for a single beach spawning population, which was just beyond historic variability. Counter to expectations, for a subset of populations hatching and emergence timing variability exceeded that of spawning timing, indicating the relationship between spawning timing and incubation temperature may be weaker than expected. The results of the common garden experiment revealed indistinguishable differences between populations in hatching timing across five temperature scenarios, but strong plasticity as timing differed between 74 and 189 days in the warmest to coolest treatment. Furthermore, I detected family-specific differences in hatching timing both within and among treatments consistent with heritable developmental rates and gene by environment interactions in days to hatch, where the interaction between treatment and family was as high as 10 days difference in hatching. Population or family-specific survival in this experiment did not differ in response to temperature suggesting a lack of thermal adaptation in this regard during this life stage in these populations. Alevin mass and length upon hatching varied little among treatments (
Author | : Javier Lobon-Cervia |
Publisher | : Springer Nature |
Total Pages | : 733 |
Release | : |
Genre | : |
ISBN | : 3031443896 |
Download Advances in the Ecology of Stream-Dwelling Salmonids Book in PDF, ePub and Kindle
Author | : Lorne E. White |
Publisher | : |
Total Pages | : 78 |
Release | : 1978 |
Genre | : Fish stocking |
ISBN | : |
Download Preliminary Evaluation of a Salmon Egg Planting Device for Sockeye Salmon (Oncorhynchus Nerka) Book in PDF, ePub and Kindle
Author | : Canada. Department of Fisheries and Oceans |
Publisher | : Fisheries and Oceans, Information and Publications Branch |
Total Pages | : 508 |
Release | : 1987 |
Genre | : Nature |
ISBN | : |
Download Sockeye Salmon (Oncorhynchus Nerka) Book in PDF, ePub and Kindle
A three-day symposium was organized by the Department of Fisheries and Oceans and convened at Nanaimo, British Columbia in November 1985. Advice on subject matter and participation came from an external committee of senior scientists and administrators in contributing agencies in Canada, Japan, the United States, and the Union of Soviet Socialist Republics. The papers included in the proceedings deal with sockeye biology and stock management. Papers on sockeye biology are divided into those concerned primarily with life history strategies and enhancement and development. Papers dealing with management are divided into the tools of management and management of some principal stocks.
Author | : W. Pennell |
Publisher | : Elsevier |
Total Pages | : 1071 |
Release | : 1996-10-11 |
Genre | : Science |
ISBN | : 0080539661 |
Download Principles of Salmonid Culture Book in PDF, ePub and Kindle
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.
Author | : Cornelis Groot |
Publisher | : UBC Press |
Total Pages | : 602 |
Release | : 1991 |
Genre | : Nature |
ISBN | : 9780774803595 |
Download Pacific Salmon Life Histories Book in PDF, ePub and Kindle
Pacific salmon are an important biological and economic resource of countries of the North Pacific rim. They are also a unique group of fish possessing unusually complex life histories. There are seven species of Pacific salmon, five occurring on both the North American and Asian continents (sockeye, pink, chum, chinook, and coho) and two (masu and amago) only in Asia. The life cycle of the Pacific salmon begins in the autumn when the adult female deposits eggs that are fertilized in gravel beds in rivers or lakes. The young emerge from the gravel the following spring and will either migrate immediately to salt water or spend one or more years in a river or lake before migrating. Migrations in the ocean are extensive during the feeding and growing phase, covering thousands of kilometres. After one or more years the maturing adults find their way back to their home river, returning to their ancestral breeding grounds to spawn. They die after spawning and the eggs in the gravel signify a new cycle. Upon this theme Pacific salmon have developed many variations, both between as well as within species. Pacific Salmon Life Histories provides detailed descriptions of the different life phases through which each of the seven species passes. Each chapter is written by a scientist who has spent years studying and observing a particular species of salmon. Some of the topics covered are geographic distribution, transplants, freshwater life, ocean life, development, growth, feeding, diet, migration, and spawning behaviour. The text is richly supplemented by numerous maps, illustrations, colour plates, and tables and there is a detailed general index, as well as a useful geographical index.
Author | : |
Publisher | : |
Total Pages | : 542 |
Release | : 1965 |
Genre | : Fish culture |
ISBN | : |
Download The Progressive Fish-culturist Book in PDF, ePub and Kindle