Osmotic and ionic regulation in Scottish brown trout and sea trout (Salmo trutta

The brown trout (Sabno trutta L.) was originally a Palearctic fish, widely dis-tributed in Europe and western Asia from the Mediterranean to the Arctic. Many river drainage systems in this area contained, and still contain, two or even three more or less morphologically and behaviourally recognizabl...

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Main Author: S. Gordon
Other Authors: The Pennsylvania State University CiteSeerX Archives
Format: Text
Language:English
Published: 1959
Subjects:
Online Access:http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.631.7457
http://jeb.biologists.org/content/36/2/253.full.pdf
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spelling ftciteseerx:oai:CiteSeerX.psu:10.1.1.631.7457 2023-05-15T15:05:15+02:00 Osmotic and ionic regulation in Scottish brown trout and sea trout (Salmo trutta S. Gordon The Pennsylvania State University CiteSeerX Archives 1959 application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.631.7457 http://jeb.biologists.org/content/36/2/253.full.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.631.7457 http://jeb.biologists.org/content/36/2/253.full.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://jeb.biologists.org/content/36/2/253.full.pdf text 1959 ftciteseerx 2016-01-08T15:30:56Z The brown trout (Sabno trutta L.) was originally a Palearctic fish, widely dis-tributed in Europe and western Asia from the Mediterranean to the Arctic. Many river drainage systems in this area contained, and still contain, two or even three more or less morphologically and behaviourally recognizable forms of this species. These forms are the 'lake trout', living in fresh-water lakes, the 'brown trout', living in fresh-water streams, and the 'sea trout', an anadromous form. The question of whether or not these forms, especially the brown trout and the sea trout, are 'really ' (equals genetically) different from one another has been debated by fishermen and others for centuries. Trewavas (1953) reviewed the most significant portions of the voluminous literature on this subject. She concluded that average differences in some characters (meristic characters, age at maturity and frequency of spawning) do separate some populations of the two types, but these do not separate all brown trout from all sea trout. Trewavas favoured the view that the forms are ecotypes of a single species, although there are difficulties attendant on the application of even this generalized Text Arctic Unknown Arctic
institution Open Polar
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description The brown trout (Sabno trutta L.) was originally a Palearctic fish, widely dis-tributed in Europe and western Asia from the Mediterranean to the Arctic. Many river drainage systems in this area contained, and still contain, two or even three more or less morphologically and behaviourally recognizable forms of this species. These forms are the 'lake trout', living in fresh-water lakes, the 'brown trout', living in fresh-water streams, and the 'sea trout', an anadromous form. The question of whether or not these forms, especially the brown trout and the sea trout, are 'really ' (equals genetically) different from one another has been debated by fishermen and others for centuries. Trewavas (1953) reviewed the most significant portions of the voluminous literature on this subject. She concluded that average differences in some characters (meristic characters, age at maturity and frequency of spawning) do separate some populations of the two types, but these do not separate all brown trout from all sea trout. Trewavas favoured the view that the forms are ecotypes of a single species, although there are difficulties attendant on the application of even this generalized
author2 The Pennsylvania State University CiteSeerX Archives
format Text
author S. Gordon
spellingShingle S. Gordon
Osmotic and ionic regulation in Scottish brown trout and sea trout (Salmo trutta
author_facet S. Gordon
author_sort S. Gordon
title Osmotic and ionic regulation in Scottish brown trout and sea trout (Salmo trutta
title_short Osmotic and ionic regulation in Scottish brown trout and sea trout (Salmo trutta
title_full Osmotic and ionic regulation in Scottish brown trout and sea trout (Salmo trutta
title_fullStr Osmotic and ionic regulation in Scottish brown trout and sea trout (Salmo trutta
title_full_unstemmed Osmotic and ionic regulation in Scottish brown trout and sea trout (Salmo trutta
title_sort osmotic and ionic regulation in scottish brown trout and sea trout (salmo trutta
publishDate 1959
url http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.631.7457
http://jeb.biologists.org/content/36/2/253.full.pdf
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