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Ecology, behaviour and conservation of the charrs, genus Salvelinus (Hardcover, 2002 ed.)
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Ecology, behaviour and conservation of the charrs, genus Salvelinus (Hardcover, 2002 ed.)
Series: Developments in Environmental Biology of Fishes, 22
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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-RiviA]res (QuA(c)bec, 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
recentdevelopments 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.
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