A pivotal role for ocean eddies in the distribution of microbial communities across the Antarctic Circumpolar Current
Mesoscale variability and associated eddy fluxes play crucial roles in ocean circulation dynamics and the ecology of the upper ocean. In doing so, these features are biologically important, providing a mechanism for the mixing and exchange of nutrients and biota within the ocean. Transient mesoscale...
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ftpubmed:oai:pubmedcentral.nih.gov:5565106 2023-05-15T13:53:52+02:00 A pivotal role for ocean eddies in the distribution of microbial communities across the Antarctic Circumpolar Current Venkatachalam, Siddarthan Ansorge, Isabelle J. Mendes, Adriano Melato, Lebohang I. Matcher, Gwynneth F. Dorrington, Rosemary A. 2017-08-21 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5565106/ http://www.ncbi.nlm.nih.gov/pubmed/28827834 https://doi.org/10.1371/journal.pone.0183400 en eng Public Library of Science http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5565106/ http://www.ncbi.nlm.nih.gov/pubmed/28827834 http://dx.doi.org/10.1371/journal.pone.0183400 © 2017 Venkatachalam et al http://creativecommons.org/licenses/by/4.0/ This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. CC-BY Research Article Text 2017 ftpubmed https://doi.org/10.1371/journal.pone.0183400 2017-09-03T00:24:11Z Mesoscale variability and associated eddy fluxes play crucial roles in ocean circulation dynamics and the ecology of the upper ocean. In doing so, these features are biologically important, providing a mechanism for the mixing and exchange of nutrients and biota within the ocean. Transient mesoscale eddies in the Southern Ocean are known to relocate zooplankton communities across the Antarctic Circumpolar Current (ACC) and are important foraging grounds for marine top predators. In this study we investigated the role of cyclonic and anti-cyclonic eddies formed at the South-West Indian Ridge on the spatial variability and diversity of microbial communities. We focused on two contrasting adjacent eddies within the Antarctic Polar Frontal Zone to determine how these features may influence the microbial communities within this region. The water masses and microbiota of the two eddies, representative of a cyclonic cold core from the Antarctic zone and an anti-cyclonic warm-core from the Subantarctic zone, were compared. The data reveal that the two eddies entrain distinct microbial communities from their points of origin that are maintained for up to ten months. Our findings highlight the ecological impact that changes, brought by the translocation of eddies across the ACC, have on microbial diversity. Text Antarc* Antarctic Southern Ocean PubMed Central (PMC) Antarctic Indian Southern Ocean The Antarctic PLOS ONE 12 8 e0183400 |
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Research Article Venkatachalam, Siddarthan Ansorge, Isabelle J. Mendes, Adriano Melato, Lebohang I. Matcher, Gwynneth F. Dorrington, Rosemary A. A pivotal role for ocean eddies in the distribution of microbial communities across the Antarctic Circumpolar Current |
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Research Article |
description |
Mesoscale variability and associated eddy fluxes play crucial roles in ocean circulation dynamics and the ecology of the upper ocean. In doing so, these features are biologically important, providing a mechanism for the mixing and exchange of nutrients and biota within the ocean. Transient mesoscale eddies in the Southern Ocean are known to relocate zooplankton communities across the Antarctic Circumpolar Current (ACC) and are important foraging grounds for marine top predators. In this study we investigated the role of cyclonic and anti-cyclonic eddies formed at the South-West Indian Ridge on the spatial variability and diversity of microbial communities. We focused on two contrasting adjacent eddies within the Antarctic Polar Frontal Zone to determine how these features may influence the microbial communities within this region. The water masses and microbiota of the two eddies, representative of a cyclonic cold core from the Antarctic zone and an anti-cyclonic warm-core from the Subantarctic zone, were compared. The data reveal that the two eddies entrain distinct microbial communities from their points of origin that are maintained for up to ten months. Our findings highlight the ecological impact that changes, brought by the translocation of eddies across the ACC, have on microbial diversity. |
format |
Text |
author |
Venkatachalam, Siddarthan Ansorge, Isabelle J. Mendes, Adriano Melato, Lebohang I. Matcher, Gwynneth F. Dorrington, Rosemary A. |
author_facet |
Venkatachalam, Siddarthan Ansorge, Isabelle J. Mendes, Adriano Melato, Lebohang I. Matcher, Gwynneth F. Dorrington, Rosemary A. |
author_sort |
Venkatachalam, Siddarthan |
title |
A pivotal role for ocean eddies in the distribution of microbial communities across the Antarctic Circumpolar Current |
title_short |
A pivotal role for ocean eddies in the distribution of microbial communities across the Antarctic Circumpolar Current |
title_full |
A pivotal role for ocean eddies in the distribution of microbial communities across the Antarctic Circumpolar Current |
title_fullStr |
A pivotal role for ocean eddies in the distribution of microbial communities across the Antarctic Circumpolar Current |
title_full_unstemmed |
A pivotal role for ocean eddies in the distribution of microbial communities across the Antarctic Circumpolar Current |
title_sort |
pivotal role for ocean eddies in the distribution of microbial communities across the antarctic circumpolar current |
publisher |
Public Library of Science |
publishDate |
2017 |
url |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5565106/ http://www.ncbi.nlm.nih.gov/pubmed/28827834 https://doi.org/10.1371/journal.pone.0183400 |
geographic |
Antarctic Indian Southern Ocean The Antarctic |
geographic_facet |
Antarctic Indian Southern Ocean The Antarctic |
genre |
Antarc* Antarctic Southern Ocean |
genre_facet |
Antarc* Antarctic Southern Ocean |
op_relation |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5565106/ http://www.ncbi.nlm.nih.gov/pubmed/28827834 http://dx.doi.org/10.1371/journal.pone.0183400 |
op_rights |
© 2017 Venkatachalam et al http://creativecommons.org/licenses/by/4.0/ This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. |
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CC-BY |
op_doi |
https://doi.org/10.1371/journal.pone.0183400 |
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PLOS ONE |
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12 |
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8 |
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e0183400 |
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1766259323992801280 |