Restricted regions of enhanced growth of Antarctic krill in the circumpolar Southern Ocean
Abstract Food webs in high-latitude oceans are dominated by relatively few species. Future ocean and sea-ice changes affecting the distribution of such species will impact the structure and functioning of whole ecosystems. Antarctic krill (Euphausia superba) is a key species in Southern Ocean food w...
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Online Access: | https://doi.org/10.1038/s41598-017-07205-9 https://doaj.org/article/907637a9931f4fd8805fbfa222896978 |
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ftdoajarticles:oai:doaj.org/article:907637a9931f4fd8805fbfa222896978 2023-05-15T13:38:50+02:00 Restricted regions of enhanced growth of Antarctic krill in the circumpolar Southern Ocean Eugene J. Murphy Sally E. Thorpe Geraint A. Tarling Jonathan L. Watkins Sophie Fielding Philip Underwood 2017-07-01T00:00:00Z https://doi.org/10.1038/s41598-017-07205-9 https://doaj.org/article/907637a9931f4fd8805fbfa222896978 EN eng Nature Portfolio https://doi.org/10.1038/s41598-017-07205-9 https://doaj.org/toc/2045-2322 doi:10.1038/s41598-017-07205-9 2045-2322 https://doaj.org/article/907637a9931f4fd8805fbfa222896978 Scientific Reports, Vol 7, Iss 1, Pp 1-14 (2017) Medicine R Science Q article 2017 ftdoajarticles https://doi.org/10.1038/s41598-017-07205-9 2022-12-31T13:55:24Z Abstract Food webs in high-latitude oceans are dominated by relatively few species. Future ocean and sea-ice changes affecting the distribution of such species will impact the structure and functioning of whole ecosystems. Antarctic krill (Euphausia superba) is a key species in Southern Ocean food webs, but there is little understanding of the factors influencing its success throughout much of the ocean. The capacity of a habitat to maintain growth will be crucial and here we use an empirical relationship of growth rate to assess seasonal spatial variability. Over much of the ocean, potential for growth is limited, with three restricted oceanic regions where seasonal conditions permit high growth rates, and only a few areas around the Scotia Sea and Antarctic Peninsula suitable for growth of the largest krill (>60 mm). Our study demonstrates that projections of impacts of future change need to account for spatial and seasonal variability of key ecological processes within ocean ecosystems. Article in Journal/Newspaper Antarc* Antarctic Antarctic Krill Antarctic Peninsula Euphausia superba Scotia Sea Sea ice Southern Ocean Directory of Open Access Journals: DOAJ Articles Antarctic Southern Ocean Antarctic Peninsula Scotia Sea Scientific Reports 7 1 |
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Open Polar |
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Directory of Open Access Journals: DOAJ Articles |
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ftdoajarticles |
language |
English |
topic |
Medicine R Science Q |
spellingShingle |
Medicine R Science Q Eugene J. Murphy Sally E. Thorpe Geraint A. Tarling Jonathan L. Watkins Sophie Fielding Philip Underwood Restricted regions of enhanced growth of Antarctic krill in the circumpolar Southern Ocean |
topic_facet |
Medicine R Science Q |
description |
Abstract Food webs in high-latitude oceans are dominated by relatively few species. Future ocean and sea-ice changes affecting the distribution of such species will impact the structure and functioning of whole ecosystems. Antarctic krill (Euphausia superba) is a key species in Southern Ocean food webs, but there is little understanding of the factors influencing its success throughout much of the ocean. The capacity of a habitat to maintain growth will be crucial and here we use an empirical relationship of growth rate to assess seasonal spatial variability. Over much of the ocean, potential for growth is limited, with three restricted oceanic regions where seasonal conditions permit high growth rates, and only a few areas around the Scotia Sea and Antarctic Peninsula suitable for growth of the largest krill (>60 mm). Our study demonstrates that projections of impacts of future change need to account for spatial and seasonal variability of key ecological processes within ocean ecosystems. |
format |
Article in Journal/Newspaper |
author |
Eugene J. Murphy Sally E. Thorpe Geraint A. Tarling Jonathan L. Watkins Sophie Fielding Philip Underwood |
author_facet |
Eugene J. Murphy Sally E. Thorpe Geraint A. Tarling Jonathan L. Watkins Sophie Fielding Philip Underwood |
author_sort |
Eugene J. Murphy |
title |
Restricted regions of enhanced growth of Antarctic krill in the circumpolar Southern Ocean |
title_short |
Restricted regions of enhanced growth of Antarctic krill in the circumpolar Southern Ocean |
title_full |
Restricted regions of enhanced growth of Antarctic krill in the circumpolar Southern Ocean |
title_fullStr |
Restricted regions of enhanced growth of Antarctic krill in the circumpolar Southern Ocean |
title_full_unstemmed |
Restricted regions of enhanced growth of Antarctic krill in the circumpolar Southern Ocean |
title_sort |
restricted regions of enhanced growth of antarctic krill in the circumpolar southern ocean |
publisher |
Nature Portfolio |
publishDate |
2017 |
url |
https://doi.org/10.1038/s41598-017-07205-9 https://doaj.org/article/907637a9931f4fd8805fbfa222896978 |
geographic |
Antarctic Southern Ocean Antarctic Peninsula Scotia Sea |
geographic_facet |
Antarctic Southern Ocean Antarctic Peninsula Scotia Sea |
genre |
Antarc* Antarctic Antarctic Krill Antarctic Peninsula Euphausia superba Scotia Sea Sea ice Southern Ocean |
genre_facet |
Antarc* Antarctic Antarctic Krill Antarctic Peninsula Euphausia superba Scotia Sea Sea ice Southern Ocean |
op_source |
Scientific Reports, Vol 7, Iss 1, Pp 1-14 (2017) |
op_relation |
https://doi.org/10.1038/s41598-017-07205-9 https://doaj.org/toc/2045-2322 doi:10.1038/s41598-017-07205-9 2045-2322 https://doaj.org/article/907637a9931f4fd8805fbfa222896978 |
op_doi |
https://doi.org/10.1038/s41598-017-07205-9 |
container_title |
Scientific Reports |
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7 |
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1 |
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1766111572934000640 |