Origin and life history of Atlantic salmon ( Salmo salar) near their northernmost oceanic limit
138 Atlantic salmon (Salmo salar) captured in the Advent Fjord off Svalbard were genetically assigned to two main clusters of European salmon. Two-thirds were assigned to salmon rivers in Finnmark (the northernmost county in Norway) and the rest to salmon rivers further south in Norway. The genetic...
Published in: | Canadian Journal of Fisheries and Aquatic Sciences |
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crcansciencepubl:10.1139/cjfas-2014-0169 2024-09-15T17:53:43+00:00 Origin and life history of Atlantic salmon ( Salmo salar) near their northernmost oceanic limit Jensen, Arne J. Karlsson, Sten Fiske, Peder Hansen, Lars Petter Østborg, Gunnel M. Hindar, Kjetil Morán, Paloma 2014 http://dx.doi.org/10.1139/cjfas-2014-0169 http://www.nrcresearchpress.com/doi/full-xml/10.1139/cjfas-2014-0169 http://www.nrcresearchpress.com/doi/pdf/10.1139/cjfas-2014-0169 en eng Canadian Science Publishing http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining Canadian Journal of Fisheries and Aquatic Sciences volume 71, issue 11, page 1740-1746 ISSN 0706-652X 1205-7533 journal-article 2014 crcansciencepubl https://doi.org/10.1139/cjfas-2014-0169 2024-07-18T04:13:32Z 138 Atlantic salmon (Salmo salar) captured in the Advent Fjord off Svalbard were genetically assigned to two main clusters of European salmon. Two-thirds were assigned to salmon rivers in Finnmark (the northernmost county in Norway) and the rest to salmon rivers further south in Norway. The genetic assignment was based on genetic profiles from 60 Norwegian rivers. The two clusters correspond to two larger genetic groupings: the Barents–White seas and Atlantic groupings. Thus, we cannot rule out other populations from these groupings as sources of Atlantic salmon at Svalbard. Svalbard salmon assigned to the two genetic groupings differed in ecological and phenological traits, with highest smolt age and lowest postsmolt growth in the Finnmark salmon cluster. High smolt ages in both groups, however, suggest a northern origin of most individuals in the sample. Although Atlantic salmon have sporadically been observed in the Arctic Ocean at earlier times, the high abundance outlined here seems to be a recent phenomenon, suggesting a northward penetration caused by climate change. Article in Journal/Newspaper Arctic Ocean Atlantic salmon Climate change Finnmark Salmo salar Svalbard Finnmark Canadian Science Publishing Canadian Journal of Fisheries and Aquatic Sciences 71 11 1740 1746 |
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Open Polar |
collection |
Canadian Science Publishing |
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crcansciencepubl |
language |
English |
description |
138 Atlantic salmon (Salmo salar) captured in the Advent Fjord off Svalbard were genetically assigned to two main clusters of European salmon. Two-thirds were assigned to salmon rivers in Finnmark (the northernmost county in Norway) and the rest to salmon rivers further south in Norway. The genetic assignment was based on genetic profiles from 60 Norwegian rivers. The two clusters correspond to two larger genetic groupings: the Barents–White seas and Atlantic groupings. Thus, we cannot rule out other populations from these groupings as sources of Atlantic salmon at Svalbard. Svalbard salmon assigned to the two genetic groupings differed in ecological and phenological traits, with highest smolt age and lowest postsmolt growth in the Finnmark salmon cluster. High smolt ages in both groups, however, suggest a northern origin of most individuals in the sample. Although Atlantic salmon have sporadically been observed in the Arctic Ocean at earlier times, the high abundance outlined here seems to be a recent phenomenon, suggesting a northward penetration caused by climate change. |
author2 |
Morán, Paloma |
format |
Article in Journal/Newspaper |
author |
Jensen, Arne J. Karlsson, Sten Fiske, Peder Hansen, Lars Petter Østborg, Gunnel M. Hindar, Kjetil |
spellingShingle |
Jensen, Arne J. Karlsson, Sten Fiske, Peder Hansen, Lars Petter Østborg, Gunnel M. Hindar, Kjetil Origin and life history of Atlantic salmon ( Salmo salar) near their northernmost oceanic limit |
author_facet |
Jensen, Arne J. Karlsson, Sten Fiske, Peder Hansen, Lars Petter Østborg, Gunnel M. Hindar, Kjetil |
author_sort |
Jensen, Arne J. |
title |
Origin and life history of Atlantic salmon ( Salmo salar) near their northernmost oceanic limit |
title_short |
Origin and life history of Atlantic salmon ( Salmo salar) near their northernmost oceanic limit |
title_full |
Origin and life history of Atlantic salmon ( Salmo salar) near their northernmost oceanic limit |
title_fullStr |
Origin and life history of Atlantic salmon ( Salmo salar) near their northernmost oceanic limit |
title_full_unstemmed |
Origin and life history of Atlantic salmon ( Salmo salar) near their northernmost oceanic limit |
title_sort |
origin and life history of atlantic salmon ( salmo salar) near their northernmost oceanic limit |
publisher |
Canadian Science Publishing |
publishDate |
2014 |
url |
http://dx.doi.org/10.1139/cjfas-2014-0169 http://www.nrcresearchpress.com/doi/full-xml/10.1139/cjfas-2014-0169 http://www.nrcresearchpress.com/doi/pdf/10.1139/cjfas-2014-0169 |
genre |
Arctic Ocean Atlantic salmon Climate change Finnmark Salmo salar Svalbard Finnmark |
genre_facet |
Arctic Ocean Atlantic salmon Climate change Finnmark Salmo salar Svalbard Finnmark |
op_source |
Canadian Journal of Fisheries and Aquatic Sciences volume 71, issue 11, page 1740-1746 ISSN 0706-652X 1205-7533 |
op_rights |
http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining |
op_doi |
https://doi.org/10.1139/cjfas-2014-0169 |
container_title |
Canadian Journal of Fisheries and Aquatic Sciences |
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71 |
container_issue |
11 |
container_start_page |
1740 |
op_container_end_page |
1746 |
_version_ |
1810429706496901120 |