Comparative Growth and Survival Potential of Brown Trout from Four Wild Stocks and One Domestic Stock PDF Download
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Author: Gaylord R. Alexander
Publisher:
ISBN:
Category : Brown trout
Languages : en
Pages : 16
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Author: Gaylord R. Alexander
Publisher:
ISBN:
Category : Brown trout
Languages : en
Pages : 16
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Book Description
Author: Andrew J. Nuhfer
Publisher:
ISBN:
Category : Brown trout
Languages : en
Pages : 32
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Author: Andrew J. Nuhfer
Publisher:
ISBN:
Category : Brook trout
Languages : en
Pages : 22
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Author: Gaylord R. Alexander
Publisher:
ISBN:
Category : Brown trout
Languages : en
Pages : 14
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Book Description
Author: John F. Craig
Publisher: John Wiley & Sons
ISBN: 1118394410
Category : Technology & Engineering
Languages : en
Pages : 913
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Book Description
Inland fisheries are vital for the livelihoods and food resources of humans worldwide but their importance is underestimated, probably because large numbers of small, local operators are involved. Freshwater Fisheries Ecology defines what we have globally, what we are going to lose and mitigate for, and what, given the right tools, we can save. To estimate potential production, the dynamics of freshwater ecosystems (rivers, lakes and estuaries) need to be understood. These dynamics are diverse, as are the earths freshwater fisheries resources (from boreal to tropical regions), and these influence how fisheries are both utilized and abused. Three main types of fisheries are illustrated within the book: artisanal, commercial and recreational, and the tools which have evolved for fisheries governance and management, including assessment methods, are described. The book also covers in detail fisheries development, providing information on improving fisheries through environmental and habitat evaluation, enhancement and rehabilitation, aquaculture, genetically modified fishes and sustainability. The book thoroughly reviews the negative impacts on fisheries including excessive harvesting, climate change, toxicology, impoundments, barriers and abstractions, non-native species and eutrophication. Finally, key areas of future research are outlined. Freshwater Fisheries Ecology is truly a landmark publication, containing contributions from over 100 leading experts and supported by the Fisheries Society of the British Isles. The global approach makes this book essential reading for fish biologists, fisheries scientists and ecologists and upper level students in these disciplines. Libraries in all universities and research establishments where biological and fisheries sciences are studied and taught should have multiple copies of this hugely valuable resource. About the Editor John Craig is Editor-in-Chief of the Journal of Fish Biology and has an enormous range of expertise and a wealth of knowledge of freshwater fishes and their ecology, having studied them around the globe, including in Asia, North America, Africa, the Middle East and Europe. His particular interests have been in population dynamics and life history strategies. He is a Fellow of the Linnean Society of London and the Royal Society of Biology.
Author: Stephen Scott Crawford
Publisher: NRC Research Press
ISBN: 0660176394
Category : Nature
Languages : en
Pages : 220
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Book Description
This publication provides an historical review and evaluation of documented ecological effects associated with salmonine introductions to the Laurentian Great Lakes. The introduction of salmonines to the Great Lakes date back to the 1870s, when natural populations of native salmonines in the Great Lakes were in severe decline. Using established evaluation protocols, it was determined that there is evidence of significant ecological effects in six different categories: (1) diseases and parasites, (2) predation on native species, (3) competition for limiting resources, (4) genetic alteration, (5) environmental alteration and (6) community alteration. Taken together, this body of evidence supports the conclusion that the ongoing introduction of non-native salmonines poses an ecologically-significant risk to the Great Lakes ecosystem and its native organisms, and that the introductions should be terminated.
Author: Wisconsin. Department of Natural Resources
Publisher:
ISBN:
Category : Conservation of natural resources
Languages : en
Pages : 216
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Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 22
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Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 598
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Book Description
Author: Jennifer A. Abdella
Publisher:
ISBN:
Category : Brown trout
Languages : en
Pages : 74
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Book Description
