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Habitat Use And Selection By Juvenile Atlantic Salmon In Two National Forest Streams In Vermont And New Hampshire
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Book Synopsis Habitat Use and Selection by Juvenile Atlantic Salmon in Two National Forest Streams in Vermont and New Hampshire by : Daniel B. McKinley
Download or read book Habitat Use and Selection by Juvenile Atlantic Salmon in Two National Forest Streams in Vermont and New Hampshire written by Daniel B. McKinley and published by . This book was released on 1992 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Habitat Use and Selection by Juvenile Salmonids in New Hampshire and Vermont Streams by : Gregory P. Romig
Download or read book Habitat Use and Selection by Juvenile Salmonids in New Hampshire and Vermont Streams written by Gregory P. Romig and published by . This book was released on 1990 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Canadian Journal of Zoology written by and published by . This book was released on 1998 with total page 636 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 Distribution and Habitat Use by Juvenile Atlantic Salmon (Salmo Salar) at Multiple Spatial Scales, and Implications for Habitat Modelling and Fish-habitat Management by :
Download or read book Distribution and Habitat Use by Juvenile Atlantic Salmon (Salmo Salar) at Multiple Spatial Scales, and Implications for Habitat Modelling and Fish-habitat Management written by and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Agrindex written by and published by . This book was released on 1995 with total page 908 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Habitat Suitability Index Models by : Jon G. Stanley
Download or read book Habitat Suitability Index Models written by Jon G. Stanley and published by . This book was released on 1995 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Model was developed by evaluating individual suitability indices of 17 environmental variables that have been shown to affect productivity or survival of nonmigratory freshwater life history stages of Atlantic salmon (Salmo salar L.).
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 Production of Juvenile Atlantic Salmon, Salmo Salar, in Natural Waters by : National Research Council Canada
Download or read book Production of Juvenile Atlantic Salmon, Salmo Salar, in Natural Waters written by National Research Council Canada and published by NRC Research Press. This book was released on 1993 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: Up-to-date information, knowledge and research in progress in scientific fields related to natural production of juvenile Atlantic salmon and some other ecologically similar fluvial salmonids is contained in the 25 papers and 12 abstracts contained in this publication, which were prepared for an international symposium held in St. John's, Newfoundland. Studies relate to stream ecology, invertebrates and predators, habitat improvement, competitive effects, behaviour and dispersal, habitat and production of juvenile salmon, population dynamics and relationships of juvenile salmon estimates to smolt yields. A list of participants at the conference is also provided.
Book Synopsis Habitat Variability and the Individual Variability of Juvenile Atlantic Salmon (Salmo Salar). by : Mathieu Roy
Download or read book Habitat Variability and the Individual Variability of Juvenile Atlantic Salmon (Salmo Salar). written by Mathieu Roy and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Microhabitat Use by Juvenile Atlantic Salmon Sheltering During the Day in Summer by : Gabriel Gries
Download or read book Microhabitat Use by Juvenile Atlantic Salmon Sheltering During the Day in Summer written by Gabriel Gries and published by . This book was released on 1997 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Habitat Requirements of Anadromous Salmonids by : D. W. Reiser
Download or read book Habitat Requirements of Anadromous Salmonids written by D. W. Reiser and published by . This book was released on 1979 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Innate Migratory Behavior and Spawning Habitat Use by Landlocked Atlantic Salmon by : Matthew Jeremy Nemeth
Download or read book Innate Migratory Behavior and Spawning Habitat Use by Landlocked Atlantic Salmon written by Matthew Jeremy Nemeth and published by . This book was released on 2001 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Comparison of Basinwide and Index Station Population Estimates of Salmonids and Individual Selection of Microhabitat from Fall to Winter by Juvenile Atlantic Salmon, Salmo Salar, in a Vermont Stream by : Christopher L. Wright
Download or read book A Comparison of Basinwide and Index Station Population Estimates of Salmonids and Individual Selection of Microhabitat from Fall to Winter by Juvenile Atlantic Salmon, Salmo Salar, in a Vermont Stream written by Christopher L. Wright and published by . This book was released on 1995 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Foraging and Growth in Relation to Habitat Use of Young-of-the-year Atlantic Salmon (Salmo Salar) by : Isabelle Girard
Download or read book Foraging and Growth in Relation to Habitat Use of Young-of-the-year Atlantic Salmon (Salmo Salar) written by Isabelle Girard and published by . This book was released on 2002 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using snorkeling observations, I examined the habitat use and preference of 216 individually tagged young-of-the-year Atlantic salmon in their first summer of life, using both a univariate and a multivariate approach. Habitat preference was determined by comparing the habitat used by fish to that available in the stream. The univariate analyses showed that salmon preferentially used a wide range of current velocity (6-48 cm·s -1) and water depth (20-39 cm) and a narrower range of cover (complete cover from aerial predators) and substrate (pebbles). However, a multivariate logistic regression approach showed that only water depth and current velocity were key variables in habitat selection. Indeed, habitat preference of salmon increased with current velocity and water depth and then decreased at water depths above 30 cm. Drift rate within the stream was surveyed in order to predict food abundance for each fish in the study site. Correlates of fitness (i.e. foraging rate and growth rate) were also measured to relate individual fitness of each fish to their habitat choice. The results showed that y-o-y Atlantic salmon did not grow at a faster rate in the preferred habitats, despite the increase in food abundance and a higher foraging rate. I suggest that young-of-the-year salmon can grow reasonably well in a variety of habitat types and that the ideal free distribution may be a better description of their habitat use than the ideal despotic distribution.
Book Synopsis Habitat Use by Juvenile Salmon in the Columbia River Estuary by : Anna N. Kagley
Download or read book Habitat Use by Juvenile Salmon in the Columbia River Estuary written by Anna N. Kagley and published by . This book was released on 2005 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Economic Impact on the Forest Sector of Critical Habitat Delineation for Salmon in the Columbia and Snake River Basin by : Richard W. Haynes
Download or read book The Economic Impact on the Forest Sector of Critical Habitat Delineation for Salmon in the Columbia and Snake River Basin written by Richard W. Haynes and published by . This book was released on 1992 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
