The thermohaline expressway: the Southern Ocean as a centre of origin for deep-sea octopuses
Understanding how environmental forcing has generated and maintained large-scale patterns of biodiversity is a key goal of evolutionary research and critical to predicting the impacts of global climate change. We suggest that the initiation of the global thermohaline circulation provided a mechanism...
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ftqueensubelpubl:oai:pure.qub.ac.uk/portal:publications/9cdd172f-a440-458a-bf66-5e113ca4c8ce 2024-10-06T13:42:59+00:00 The thermohaline expressway: the Southern Ocean as a centre of origin for deep-sea octopuses Strugnell, Jan Rogers, A.D. Prodöhl, Paulo Collins, M.A. Allcock, Louise 2008-12 https://pure.qub.ac.uk/en/publications/9cdd172f-a440-458a-bf66-5e113ca4c8ce https://doi.org/10.1111/j.1096-0031.2008.00234.x http://www.scopus.com/inward/record.url?scp=56649091313&partnerID=8YFLogxK eng eng info:eu-repo/semantics/restrictedAccess Strugnell , J , Rogers , A D , Prodöhl , P , Collins , M A & Allcock , L 2008 , ' The thermohaline expressway: the Southern Ocean as a centre of origin for deep-sea octopuses ' , Cladistics , vol. 24 , no. 6 , pp. 853-860 . https://doi.org/10.1111/j.1096-0031.2008.00234.x /dk/atira/pure/subjectarea/asjc/1100/1105 name=Ecology Evolution Behavior and Systematics /dk/atira/pure/sustainabledevelopmentgoals/climate_action name=SDG 13 - Climate Action article 2008 ftqueensubelpubl https://doi.org/10.1111/j.1096-0031.2008.00234.x 2024-09-26T14:49:06Z Understanding how environmental forcing has generated and maintained large-scale patterns of biodiversity is a key goal of evolutionary research and critical to predicting the impacts of global climate change. We suggest that the initiation of the global thermohaline circulation provided a mechanism for the radiation of Southern Ocean fauna into the deep sea. We test this hypothesis using a relaxed phylogenetic approach to coestimate phylogeny and divergence times for a lineage of octopuses with Antarctic and deep-sea representatives. We show that the deep-sea lineage had their evolutionary origins in Antarctica, and estimate that this lineage diverged around 33?million years ago (Ma) and subsequently radiated at 15?Ma. Both of these dates are critical in development of the thermohaline circulation and we suggest that this has acted as an evolutionary driver enabling the Southern Ocean to become a centre of origin for deep-sea fauna. This is the first unequivocal molecular evidence that deep-sea fauna from other ocean basins originated from Southern Ocean taxa and this is the first evidence to be dated. Article in Journal/Newspaper Antarc* Antarctic Antarctica Southern Ocean Queen's University Belfast Research Portal Antarctic Southern Ocean Cladistics 24 6 853 860 |
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Queen's University Belfast Research Portal |
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ftqueensubelpubl |
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English |
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/dk/atira/pure/subjectarea/asjc/1100/1105 name=Ecology Evolution Behavior and Systematics /dk/atira/pure/sustainabledevelopmentgoals/climate_action name=SDG 13 - Climate Action |
spellingShingle |
/dk/atira/pure/subjectarea/asjc/1100/1105 name=Ecology Evolution Behavior and Systematics /dk/atira/pure/sustainabledevelopmentgoals/climate_action name=SDG 13 - Climate Action Strugnell, Jan Rogers, A.D. Prodöhl, Paulo Collins, M.A. Allcock, Louise The thermohaline expressway: the Southern Ocean as a centre of origin for deep-sea octopuses |
topic_facet |
/dk/atira/pure/subjectarea/asjc/1100/1105 name=Ecology Evolution Behavior and Systematics /dk/atira/pure/sustainabledevelopmentgoals/climate_action name=SDG 13 - Climate Action |
description |
Understanding how environmental forcing has generated and maintained large-scale patterns of biodiversity is a key goal of evolutionary research and critical to predicting the impacts of global climate change. We suggest that the initiation of the global thermohaline circulation provided a mechanism for the radiation of Southern Ocean fauna into the deep sea. We test this hypothesis using a relaxed phylogenetic approach to coestimate phylogeny and divergence times for a lineage of octopuses with Antarctic and deep-sea representatives. We show that the deep-sea lineage had their evolutionary origins in Antarctica, and estimate that this lineage diverged around 33?million years ago (Ma) and subsequently radiated at 15?Ma. Both of these dates are critical in development of the thermohaline circulation and we suggest that this has acted as an evolutionary driver enabling the Southern Ocean to become a centre of origin for deep-sea fauna. This is the first unequivocal molecular evidence that deep-sea fauna from other ocean basins originated from Southern Ocean taxa and this is the first evidence to be dated. |
format |
Article in Journal/Newspaper |
author |
Strugnell, Jan Rogers, A.D. Prodöhl, Paulo Collins, M.A. Allcock, Louise |
author_facet |
Strugnell, Jan Rogers, A.D. Prodöhl, Paulo Collins, M.A. Allcock, Louise |
author_sort |
Strugnell, Jan |
title |
The thermohaline expressway: the Southern Ocean as a centre of origin for deep-sea octopuses |
title_short |
The thermohaline expressway: the Southern Ocean as a centre of origin for deep-sea octopuses |
title_full |
The thermohaline expressway: the Southern Ocean as a centre of origin for deep-sea octopuses |
title_fullStr |
The thermohaline expressway: the Southern Ocean as a centre of origin for deep-sea octopuses |
title_full_unstemmed |
The thermohaline expressway: the Southern Ocean as a centre of origin for deep-sea octopuses |
title_sort |
thermohaline expressway: the southern ocean as a centre of origin for deep-sea octopuses |
publishDate |
2008 |
url |
https://pure.qub.ac.uk/en/publications/9cdd172f-a440-458a-bf66-5e113ca4c8ce https://doi.org/10.1111/j.1096-0031.2008.00234.x http://www.scopus.com/inward/record.url?scp=56649091313&partnerID=8YFLogxK |
geographic |
Antarctic Southern Ocean |
geographic_facet |
Antarctic Southern Ocean |
genre |
Antarc* Antarctic Antarctica Southern Ocean |
genre_facet |
Antarc* Antarctic Antarctica Southern Ocean |
op_source |
Strugnell , J , Rogers , A D , Prodöhl , P , Collins , M A & Allcock , L 2008 , ' The thermohaline expressway: the Southern Ocean as a centre of origin for deep-sea octopuses ' , Cladistics , vol. 24 , no. 6 , pp. 853-860 . https://doi.org/10.1111/j.1096-0031.2008.00234.x |
op_rights |
info:eu-repo/semantics/restrictedAccess |
op_doi |
https://doi.org/10.1111/j.1096-0031.2008.00234.x |
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Cladistics |
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24 |
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6 |
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853 |
op_container_end_page |
860 |
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