Gene flow in the Antarctic bivalve Aequiyoldia eightsii (Jay, 1839) suggests a role for the Antarctic Peninsula Coastal Current in larval dispersal
The Antarctic Circumpolar Current (ACC) dominates the open-ocean circulation of the Southern Ocean, and both isolates and connects the Southern Ocean biodiversity. However, the impact on biological processes of other Southern Ocean currents is less clear. Adjacent to the West Antarctic Peninsula (WA...
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ftnerc:oai:nora.nerc.ac.uk:528501 2023-05-15T13:41:45+02:00 Gene flow in the Antarctic bivalve Aequiyoldia eightsii (Jay, 1839) suggests a role for the Antarctic Peninsula Coastal Current in larval dispersal Muñoz-Ramírez, Carlos P. Barnes, David K.A. Cárdenas, Leyla Meredith, Michael P. Morley, Simon A. Roman-Gonzalez, Alejandro Sands, Chester J. Scourse, James Brante, Antonio 2020-09-16 text http://nora.nerc.ac.uk/id/eprint/528501/ https://nora.nerc.ac.uk/id/eprint/528501/1/munoz-Ramirez%20et%20al%202020%20aequiyoldia%20genetics.pdf https://royalsocietypublishing.org/doi/10.1098/rsos.200603 en eng Royal Society https://nora.nerc.ac.uk/id/eprint/528501/1/munoz-Ramirez%20et%20al%202020%20aequiyoldia%20genetics.pdf Muñoz-Ramírez, Carlos P.; Barnes, David K.A. orcid:0000-0002-9076-7867 Cárdenas, Leyla; Meredith, Michael P. orcid:0000-0002-7342-7756 Morley, Simon A. orcid:0000-0002-7761-660X Roman-Gonzalez, Alejandro; Sands, Chester J. orcid:0000-0003-1028-0328 Scourse, James; Brante, Antonio. 2020 Gene flow in the Antarctic bivalve Aequiyoldia eightsii (Jay, 1839) suggests a role for the Antarctic Peninsula Coastal Current in larval dispersal. Royal Society Open Science, 7 (9), 200603. 11, pp. https://doi.org/10.1098/rsos.200603 <https://doi.org/10.1098/rsos.200603> cc_by_4 CC-BY Publication - Article PeerReviewed 2020 ftnerc https://doi.org/10.1098/rsos.200603 2023-02-04T19:51:07Z The Antarctic Circumpolar Current (ACC) dominates the open-ocean circulation of the Southern Ocean, and both isolates and connects the Southern Ocean biodiversity. However, the impact on biological processes of other Southern Ocean currents is less clear. Adjacent to the West Antarctic Peninsula (WAP), the ACC flows offshore in a northeastward direction, whereas the Antarctic Peninsula Coastal Current (APCC) follows a complex circulation pattern along the coast, with topographically influenced deflections depending on the area. Using genomic data, we estimated genetic structure and migration rates between populations of the benthic bivalve Aequiyoldia eightsii from the shallows of southern South America and the WAP to test the role of the ACC and the APCC in its dispersal. We found strong genetic structure across the ACC (between southern South America and Antarctica) and moderate structure between populations of the WAP. Migration rates along the WAP were consistent with the APCC being important for species dispersal. Along with supporting current knowledge about ocean circulation models at the WAP, migration from the tip of the Antarctic Peninsula to the Bellingshausen Sea highlights the complexities of Southern Ocean circulation. This study provides novel biological evidence of a role of the APCC as a driver of species dispersal and highlights the power of genomic data for aiding in the understanding of the influence of complex oceanographic processes in shaping the population structure of marine species. Article in Journal/Newspaper Antarc* Antarctic Antarctic Peninsula Antarctica Bellingshausen Sea Southern Ocean Natural Environment Research Council: NERC Open Research Archive Antarctic Southern Ocean The Antarctic Antarctic Peninsula Bellingshausen Sea Royal Society Open Science 7 9 200603 |
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Open Polar |
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Natural Environment Research Council: NERC Open Research Archive |
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ftnerc |
language |
English |
description |
The Antarctic Circumpolar Current (ACC) dominates the open-ocean circulation of the Southern Ocean, and both isolates and connects the Southern Ocean biodiversity. However, the impact on biological processes of other Southern Ocean currents is less clear. Adjacent to the West Antarctic Peninsula (WAP), the ACC flows offshore in a northeastward direction, whereas the Antarctic Peninsula Coastal Current (APCC) follows a complex circulation pattern along the coast, with topographically influenced deflections depending on the area. Using genomic data, we estimated genetic structure and migration rates between populations of the benthic bivalve Aequiyoldia eightsii from the shallows of southern South America and the WAP to test the role of the ACC and the APCC in its dispersal. We found strong genetic structure across the ACC (between southern South America and Antarctica) and moderate structure between populations of the WAP. Migration rates along the WAP were consistent with the APCC being important for species dispersal. Along with supporting current knowledge about ocean circulation models at the WAP, migration from the tip of the Antarctic Peninsula to the Bellingshausen Sea highlights the complexities of Southern Ocean circulation. This study provides novel biological evidence of a role of the APCC as a driver of species dispersal and highlights the power of genomic data for aiding in the understanding of the influence of complex oceanographic processes in shaping the population structure of marine species. |
format |
Article in Journal/Newspaper |
author |
Muñoz-Ramírez, Carlos P. Barnes, David K.A. Cárdenas, Leyla Meredith, Michael P. Morley, Simon A. Roman-Gonzalez, Alejandro Sands, Chester J. Scourse, James Brante, Antonio |
spellingShingle |
Muñoz-Ramírez, Carlos P. Barnes, David K.A. Cárdenas, Leyla Meredith, Michael P. Morley, Simon A. Roman-Gonzalez, Alejandro Sands, Chester J. Scourse, James Brante, Antonio Gene flow in the Antarctic bivalve Aequiyoldia eightsii (Jay, 1839) suggests a role for the Antarctic Peninsula Coastal Current in larval dispersal |
author_facet |
Muñoz-Ramírez, Carlos P. Barnes, David K.A. Cárdenas, Leyla Meredith, Michael P. Morley, Simon A. Roman-Gonzalez, Alejandro Sands, Chester J. Scourse, James Brante, Antonio |
author_sort |
Muñoz-Ramírez, Carlos P. |
title |
Gene flow in the Antarctic bivalve Aequiyoldia eightsii (Jay, 1839) suggests a role for the Antarctic Peninsula Coastal Current in larval dispersal |
title_short |
Gene flow in the Antarctic bivalve Aequiyoldia eightsii (Jay, 1839) suggests a role for the Antarctic Peninsula Coastal Current in larval dispersal |
title_full |
Gene flow in the Antarctic bivalve Aequiyoldia eightsii (Jay, 1839) suggests a role for the Antarctic Peninsula Coastal Current in larval dispersal |
title_fullStr |
Gene flow in the Antarctic bivalve Aequiyoldia eightsii (Jay, 1839) suggests a role for the Antarctic Peninsula Coastal Current in larval dispersal |
title_full_unstemmed |
Gene flow in the Antarctic bivalve Aequiyoldia eightsii (Jay, 1839) suggests a role for the Antarctic Peninsula Coastal Current in larval dispersal |
title_sort |
gene flow in the antarctic bivalve aequiyoldia eightsii (jay, 1839) suggests a role for the antarctic peninsula coastal current in larval dispersal |
publisher |
Royal Society |
publishDate |
2020 |
url |
http://nora.nerc.ac.uk/id/eprint/528501/ https://nora.nerc.ac.uk/id/eprint/528501/1/munoz-Ramirez%20et%20al%202020%20aequiyoldia%20genetics.pdf https://royalsocietypublishing.org/doi/10.1098/rsos.200603 |
geographic |
Antarctic Southern Ocean The Antarctic Antarctic Peninsula Bellingshausen Sea |
geographic_facet |
Antarctic Southern Ocean The Antarctic Antarctic Peninsula Bellingshausen Sea |
genre |
Antarc* Antarctic Antarctic Peninsula Antarctica Bellingshausen Sea Southern Ocean |
genre_facet |
Antarc* Antarctic Antarctic Peninsula Antarctica Bellingshausen Sea Southern Ocean |
op_relation |
https://nora.nerc.ac.uk/id/eprint/528501/1/munoz-Ramirez%20et%20al%202020%20aequiyoldia%20genetics.pdf Muñoz-Ramírez, Carlos P.; Barnes, David K.A. orcid:0000-0002-9076-7867 Cárdenas, Leyla; Meredith, Michael P. orcid:0000-0002-7342-7756 Morley, Simon A. orcid:0000-0002-7761-660X Roman-Gonzalez, Alejandro; Sands, Chester J. orcid:0000-0003-1028-0328 Scourse, James; Brante, Antonio. 2020 Gene flow in the Antarctic bivalve Aequiyoldia eightsii (Jay, 1839) suggests a role for the Antarctic Peninsula Coastal Current in larval dispersal. Royal Society Open Science, 7 (9), 200603. 11, pp. https://doi.org/10.1098/rsos.200603 <https://doi.org/10.1098/rsos.200603> |
op_rights |
cc_by_4 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1098/rsos.200603 |
container_title |
Royal Society Open Science |
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7 |
container_issue |
9 |
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200603 |
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1766157040736010240 |