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Growth Of Atlantic Salmon Fry Stocked At Differnt Densities
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Book Synopsis Survival and Growth of Atlantic Salmon Fry Stocked at Two Densities in the White River, Vermont by : Kevin G. Whalen
Download or read book Survival and Growth of Atlantic Salmon Fry Stocked at Two Densities in the White River, Vermont written by Kevin G. Whalen and published by . This book was released on 1991 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The purpose of evaluating the efficacy of a variety of fry stocking densities was to determine an "Optimum stocking density" (OSD) for the White River basin ... [T]he second objective of this study was to evaluate the survival and growth of feeding and unfed fry."--Page 1-2.
Book Synopsis Growth of Atlantic Salmon Fry Stocked at Differnt Densities by : Lori Kelly
Download or read book Growth of Atlantic Salmon Fry Stocked at Differnt Densities written by Lori Kelly and published by . This book was released on 2012 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Survival and Growth of Atlantic Salmon (S̲a̲l̲m̲o̲ S̲a̲l̲a̲r̲) Fry Stocked at Varying Densities and Developmental Stages in Two Tributaries of the White River, Vermont by : Kevin G. Whalen
Download or read book Survival and Growth of Atlantic Salmon (S̲a̲l̲m̲o̲ S̲a̲l̲a̲r̲) Fry Stocked at Varying Densities and Developmental Stages in Two Tributaries of the White River, Vermont written by Kevin G. Whalen and published by . This book was released on 1992 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analysis of Salmon and Steelhead Supplementation by : William H. Miller
Download or read book Analysis of Salmon and Steelhead Supplementation written by William H. Miller and published by . This book was released on 1990 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Age, Growth, and Mortality of Juvenile Atlantic Salmon in Streams by : Patrick W. Bley
Download or read book Age, Growth, and Mortality of Juvenile Atlantic Salmon in Streams written by Patrick W. Bley and published by . This book was released on 1987 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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.
Book Synopsis Agression and growth of Atlantic salmon in different stocking densities by :
Download or read book Agression and growth of Atlantic salmon in different stocking densities written by and published by . This book was released on 1976 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Age, Growth, and Mortality of Juvenile Atlantic Salmon in Streams by : Patrick W. Bley
Download or read book Age, Growth, and Mortality of Juvenile Atlantic Salmon in Streams written by Patrick W. Bley and published by . This book was released on 1987 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Biological Report written by and published by . This book was released on 1987 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 2014 with total page 738 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Harmonisation of Regulatory Oversight in Biotechnology Safety Assessment of Transgenic Organisms in the Environment, Volume 7 OECD Consensus Documents by : OECD
Download or read book Harmonisation of Regulatory Oversight in Biotechnology Safety Assessment of Transgenic Organisms in the Environment, Volume 7 OECD Consensus Documents written by OECD and published by OECD Publishing. This book was released on 2017-12-21 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 7 describes the biology of two major crops: TOMATO and SORGHUM (centres of origin, genetics, hybridisation, production, uses, ecology) and an animal species: ATLANTIC SALMON (ecology, rearing and genetics for 'wild' and 'farmed' forms). It contains useful information for biosafety assessment.
Book Synopsis Aquatic Sciences and Fisheries Abstracts by :
Download or read book Aquatic Sciences and Fisheries Abstracts written by and published by . This book was released on 1995-10 with total page 782 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in the Ecology of Stream-Dwelling Salmonids by : Javier Lobon-Cervia
Download or read book Advances in the Ecology of Stream-Dwelling Salmonids written by Javier Lobon-Cervia and published by Springer Nature. This book was released on with total page 733 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dispersal and Density-dependent Growth of Early Juvenile Atlantic Salmon (Salmo Salar) by : Eric Brunsdon
Download or read book Dispersal and Density-dependent Growth of Early Juvenile Atlantic Salmon (Salmo Salar) written by Eric Brunsdon and published by . This book was released on 2015 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dispersal from nesting sites and habitat selection are essential for the fitness of young individuals and shapes the distribution, growth and persistence of populations. These processes are important to consider when releasing captive bred young individuals into the wild to restore extirpated or depleted populations. However, few studies have evaluated how manipulating densities during release affects the dispersal and growth of individuals with respect to crucial life history traits. I manipulated the density of young-of-the-year (YOY) Atlantic salmon to evaluate the effect of two stocking techniques on the life history characteristics of surviving fish. Salmon were either point-stocked (all fish released in a small area at the upstream end of a reach) or spread-stocked (fish were released evenly over the entire reach) in 14 reaches of the Boquet River, New York. I used snorkeling and electrofishing surveys to characterize the density, dispersal, growth and survival of salmon stocked via each technique. Density decreased and growth rate increased with distance downstream in point-stocking reaches, whereas density and growth were relatively constant within spread-stocking reaches. Overall, density, growth and survival did not differ between the two stocking techniques due to the greater-than-expected degree of dispersal observed in point-stocking reaches. YOY dispersed up to 1600m, with 41% moving over 200m downstream. Growth rate of individual fish was density-dependent, following the negative power curve observed in previous studies. My results provide insights into how the growth and survival of released individuals are altered via stocking techniques, ultimately shaping their distribution and persistence.
Book Synopsis Stock, Recruitment and Reference Points by : Etienne Prévost
Download or read book Stock, Recruitment and Reference Points written by Etienne Prévost and published by Editions Quae. This book was released on 2001 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book collects the available knowledge about the ecology of Atlantic salmon and contemporary stock assessment methods supporting the specific task of establishing reference points. Bayesian approaches for incorporating uncertainty are front and centre in the book. Stock and recruitment analysis methods, transport of reference points, risk analysis and use of index measures of abundance are presented in a format which can be readily understood and applied by scientists, educators, professionals and undergraduate students.
Download or read book Fish Behaviour written by Carin Magnhagen and published by CRC Press. This book was released on 2008-01-09 with total page 662 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fishes are by far the most species-rich vertebrate taxon, and it is also the vertebrate group with the most strikingly diverse repertoire of behaviours and behavioural adaptations. As such, they provide us with many opportunities to explore the fascinating complexities of animal behaviour. Central questions addressed in this book include: How do se
Book Synopsis Atlantic Salmon Ecology by : Øystein Aas
Download or read book Atlantic Salmon Ecology written by Øystein Aas and published by John Wiley & Sons. This book was released on 2011-07-05 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Atlantic salmon is one of the most prized and exploited species worldwide, being at the centre of a massive sports fishing industry and increasingly as the major farmed species in many countries worldwide. Atlantic Salmon Ecology is a landmark publication, both scientifically important and visually attractive. Comprehensively covering all major aspects of the relationship of the Atlantic salmon with its environment, chapters include details of migration and dispersal, reproduction, habitat requirements, feeding, growth rates, competition, predation, parasitsm, population dynamics, effects of landscape use, hydro power development, climate change, and exploitation. The book closes with a summary and look at possible future research directions. Backed by the Norwegian Research Council and with editors and contributors widely known and respected, Atlantic Salmon Ecology is an essential purchase for all those working with this species, including fisheries scientists and managers, fish biologists, ecologists, physiologists, environmental biologists and aquatic scientists, fish and wildlife department personnel and regulatory bodies. Libraries in all universities and research establishments where these subjects are studied and taught should have copies of this important publication. Comprehensive and up-to-date coverage of Atlantic Salmon Atlantic Salmon is one of the world's most commercially important species Backed by the Norwegian Research Council Experienced editor and internationally respected contributors
