Polymorphic Segregation In Arctic Charr Salvelinus Alpinus L From Lake Vatnshlidarvatn Northern Iceland

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Ecology, behaviour and conservation of the charrs, genus Salvelinus

Author : Pierre Magnan
Publisher : Springer Science & Business Media
ISBN 13 : 9401713529
Total Pages : 345 pages
Book Rating : 4.4/5 (17 download)

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Book Synopsis Ecology, behaviour and conservation of the charrs, genus Salvelinus by : Pierre Magnan

Download or read book Ecology, behaviour and conservation of the charrs, genus Salvelinus written by Pierre Magnan and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 345 pages. Available in PDF, EPUB and Kindle. Book excerpt: Salvelinus species are one of the most thoroughly studied groups of fishes. Many reasons explain this intense interest in charr biology. Charrs have a Holarctic distribution encompassing many Asian, North American, and European countries and occupy diverse marine and freshwater environments. Furthermore, the current distribution of charr includes areas that were directly influenced by climate and topographic change associated with the many Pleistocene glaciations. Undoubtedly, these conditions have promoted much of the tremendous morphological, ecological, and genetic variability and plasticity within Salvelinus species and they make charr very good models to study evolutionary processes 'in action'. Many charr species also exhibit demographic characteristics such as slow growth, late maturity, and life in extreme environments, that may increase their susceptibility to extinction from habitat changes and overexploitation, especially in depauperate aquatic habitats. This vulnerability makes understanding their biology of great relevance to biodiversity and conservation. Finally, charr are of great cultural, commercial, and recreational significance to many communities, and their intimate linkage with human societies has stimulated much interest in this enigmatic genus. This volume comprises a selection of papers presented at the fourth International Charr Symposium held in Trois-Rivières (Québec, Canada), from 26 June to 1 July 2000. It includes 31 papers on ecological interactions and behaviour, trophic polymorphism, movement and migration, ecophysiology and evolutionary genetics, ecological parasitology, environmental stress and conservation. These studies cannot cover all recent developments in the ecology, behaviour and conservation of Salvelinus species, but collecting them into a special volume should bring attention to current research on this important genus and stimulate further work on Salvelinus species.

Atlantic Salmon Ecology

Author : Øystein Aas
Publisher : John Wiley & Sons
ISBN 13 : 1405197692
Total Pages : 492 pages
Book Rating : 4.4/5 (51 download)

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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 2010-10-18 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

Charrs

Author : E.K. Balon
Publisher : Springer
ISBN 13 :
Total Pages : 948 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Charrs by : E.K. Balon

Download or read book Charrs written by E.K. Balon and published by Springer. This book was released on 1980-04-30 with total page 948 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Evolution of Fish Species Flocks

Author : Anthony A. Echelle
Publisher : University of Maine Press
ISBN 13 :
Total Pages : 280 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Evolution of Fish Species Flocks by : Anthony A. Echelle

Download or read book Evolution of Fish Species Flocks written by Anthony A. Echelle and published by University of Maine Press. This book was released on 1984 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Evolution of Biological Diversity

Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (841 download)

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Book Synopsis Evolution of Biological Diversity by :

Download or read book Evolution of Biological Diversity written by and published by . This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Adaptive Speciation

Author : Ulf Dieckmann
Publisher : Cambridge University Press
ISBN 13 : 9781107404182
Total Pages : 488 pages
Book Rating : 4.4/5 (41 download)

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Book Synopsis Adaptive Speciation by : Ulf Dieckmann

Download or read book Adaptive Speciation written by Ulf Dieckmann and published by Cambridge University Press. This book was released on 2012-04-19 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: Adaptive speciation occurs when biological interactions induce disruptive selection and the evolution of assortative mating, thus triggering the splitting of lineages. Internationally recognized authorities explain exciting developments in modeling speciation, including celebrated examples of rapid speciation by natural selection. The text is geared toward students and researchers in biology, physics, and mathematics.

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.

Microevolution of Fishes

Author : Mikhail Valentinovich Mina
Publisher :
ISBN 13 : 9788170870609
Total Pages : 0 pages
Book Rating : 4.8/5 (76 download)

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Book Synopsis Microevolution of Fishes by : Mikhail Valentinovich Mina

Download or read book Microevolution of Fishes written by Mikhail Valentinovich Mina and published by . This book was released on 1991 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: