Changes in Northwest Atlantic Arctic and Subarctic conditions and the growth response of Atlantic salmon
There has been a systematic change in the weight at age of Atlantic salmon (Salmo salar L.) in the Northwest Atlantic that is related to climate variability. This relationship emerged from analyses of broad-scale measures of ocean surface thermal habitat, which shows that expansion of the area bound...
Published in: | Polar Biology |
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Online Access: | https://risweb.st-andrews.ac.uk/portal/en/researchoutput/changes-in-northwest-atlantic-arctic-and-subarctic-conditions-and-the-growth-response-of-atlantic-salmon(de522736-5290-4e63-8cbc-72b795dee305).html https://doi.org/10.1007/s00300-011-1105-z |
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ftunstandrewcris:oai:risweb.st-andrews.ac.uk:publications/de522736-5290-4e63-8cbc-72b795dee305 2023-05-15T14:24:16+02:00 Changes in Northwest Atlantic Arctic and Subarctic conditions and the growth response of Atlantic salmon Friedland, Kevin Todd, Christopher David 2012-04 https://risweb.st-andrews.ac.uk/portal/en/researchoutput/changes-in-northwest-atlantic-arctic-and-subarctic-conditions-and-the-growth-response-of-atlantic-salmon(de522736-5290-4e63-8cbc-72b795dee305).html https://doi.org/10.1007/s00300-011-1105-z eng eng info:eu-repo/semantics/closedAccess Friedland , K & Todd , C D 2012 , ' Changes in Northwest Atlantic Arctic and Subarctic conditions and the growth response of Atlantic salmon ' , Polar Biology , vol. 35 , no. 4 , pp. 593-609 . https://doi.org/10.1007/s00300-011-1105-z Atlantic salmon • Sea surface temperature • Growth • Sea ice • Chlorophyll article 2012 ftunstandrewcris https://doi.org/10.1007/s00300-011-1105-z 2022-06-02T07:41:04Z There has been a systematic change in the weight at age of Atlantic salmon (Salmo salar L.) in the Northwest Atlantic that is related to climate variability. This relationship emerged from analyses of broad-scale measures of ocean surface thermal habitat, which shows that expansion of the area bounding 4-8°C is associated with greater growth. To further elucidate the effect of the environment on salmon growth, time-series of sea surface temperature (SST), sea ice coverage, chlorophyll concentration, net primary production and zooplankton abundance were examined temporally and spatially in relation to changes in weight of salmon. SST data and zooplankton data were extracted from in situ analyses, whereas sea ice and chlorophyll- based measures of productivity were collected with satellite sensors. Salmon growth was found to be unrelated to productivity at the base of the food chain but highly associated with thermal regime during winter and spring. Warming conditions during specific segments of the salmon life cycle have been associated with poor adult recruitment; yet warming during others is beneficial to salmon growth and is assumed to increase reproductive output of spawning fish. Despite these positive influences, climate change will continue to erode the viability of salmon populations whilst the negative effects of warming on survivorship outweigh the benefits of any increase in reproductive output related to growth. Article in Journal/Newspaper Arctic Arctic Atlantic Arctic Atlantic salmon Atlantic-Arctic Climate change Northwest Atlantic Polar Biology Salmo salar Sea ice Subarctic Zooplankton University of St Andrews: Research Portal Arctic Polar Biology 35 4 593 609 |
institution |
Open Polar |
collection |
University of St Andrews: Research Portal |
op_collection_id |
ftunstandrewcris |
language |
English |
topic |
Atlantic salmon • Sea surface temperature • Growth • Sea ice • Chlorophyll |
spellingShingle |
Atlantic salmon • Sea surface temperature • Growth • Sea ice • Chlorophyll Friedland, Kevin Todd, Christopher David Changes in Northwest Atlantic Arctic and Subarctic conditions and the growth response of Atlantic salmon |
topic_facet |
Atlantic salmon • Sea surface temperature • Growth • Sea ice • Chlorophyll |
description |
There has been a systematic change in the weight at age of Atlantic salmon (Salmo salar L.) in the Northwest Atlantic that is related to climate variability. This relationship emerged from analyses of broad-scale measures of ocean surface thermal habitat, which shows that expansion of the area bounding 4-8°C is associated with greater growth. To further elucidate the effect of the environment on salmon growth, time-series of sea surface temperature (SST), sea ice coverage, chlorophyll concentration, net primary production and zooplankton abundance were examined temporally and spatially in relation to changes in weight of salmon. SST data and zooplankton data were extracted from in situ analyses, whereas sea ice and chlorophyll- based measures of productivity were collected with satellite sensors. Salmon growth was found to be unrelated to productivity at the base of the food chain but highly associated with thermal regime during winter and spring. Warming conditions during specific segments of the salmon life cycle have been associated with poor adult recruitment; yet warming during others is beneficial to salmon growth and is assumed to increase reproductive output of spawning fish. Despite these positive influences, climate change will continue to erode the viability of salmon populations whilst the negative effects of warming on survivorship outweigh the benefits of any increase in reproductive output related to growth. |
format |
Article in Journal/Newspaper |
author |
Friedland, Kevin Todd, Christopher David |
author_facet |
Friedland, Kevin Todd, Christopher David |
author_sort |
Friedland, Kevin |
title |
Changes in Northwest Atlantic Arctic and Subarctic conditions and the growth response of Atlantic salmon |
title_short |
Changes in Northwest Atlantic Arctic and Subarctic conditions and the growth response of Atlantic salmon |
title_full |
Changes in Northwest Atlantic Arctic and Subarctic conditions and the growth response of Atlantic salmon |
title_fullStr |
Changes in Northwest Atlantic Arctic and Subarctic conditions and the growth response of Atlantic salmon |
title_full_unstemmed |
Changes in Northwest Atlantic Arctic and Subarctic conditions and the growth response of Atlantic salmon |
title_sort |
changes in northwest atlantic arctic and subarctic conditions and the growth response of atlantic salmon |
publishDate |
2012 |
url |
https://risweb.st-andrews.ac.uk/portal/en/researchoutput/changes-in-northwest-atlantic-arctic-and-subarctic-conditions-and-the-growth-response-of-atlantic-salmon(de522736-5290-4e63-8cbc-72b795dee305).html https://doi.org/10.1007/s00300-011-1105-z |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic Arctic Atlantic Arctic Atlantic salmon Atlantic-Arctic Climate change Northwest Atlantic Polar Biology Salmo salar Sea ice Subarctic Zooplankton |
genre_facet |
Arctic Arctic Atlantic Arctic Atlantic salmon Atlantic-Arctic Climate change Northwest Atlantic Polar Biology Salmo salar Sea ice Subarctic Zooplankton |
op_source |
Friedland , K & Todd , C D 2012 , ' Changes in Northwest Atlantic Arctic and Subarctic conditions and the growth response of Atlantic salmon ' , Polar Biology , vol. 35 , no. 4 , pp. 593-609 . https://doi.org/10.1007/s00300-011-1105-z |
op_rights |
info:eu-repo/semantics/closedAccess |
op_doi |
https://doi.org/10.1007/s00300-011-1105-z |
container_title |
Polar Biology |
container_volume |
35 |
container_issue |
4 |
container_start_page |
593 |
op_container_end_page |
609 |
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1766296714029826048 |