Reorganization of Southern Ocean plankton ecosystem at the onset of Antarctic glaciation
The circum-Antarctic Southern Ocean is an important region for global marine food webs and carbon cycling because of sea-ice formation and its unique plankton ecosystem. However, the mechanisms underlying the installation of this distinct ecosystem and the geological timing of its development remain...
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American Association for the Advancement of Science
2013
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ftunivqespace:oai:espace.library.uq.edu.au:UQ:319718 2023-05-15T13:49:28+02:00 Reorganization of Southern Ocean plankton ecosystem at the onset of Antarctic glaciation Houben, Alexander J. P. Bijl, Peter K. Pross, Jorg Bohaty, Steven M. Passchier, Sandra Stickely, Catherine E. Rhol, Ursula Sugisaki, Saiko Tauxe, Lisa van der Fliert, Tina Olney, Matthew Sangiorgi, Francesca Slujis, Appy Escutia, Carlota Brinkhuis, Henk Expedition 318 Scientists Welsh, Kevin 2013-04-19 https://espace.library.uq.edu.au/view/UQ:319718 eng eng American Association for the Advancement of Science doi:10.1126/science.1223646 issn:1095-9203 issn:0036-8075 orcid:0000-0002-4834-4190 ANT-1245283 OCE 1058858 OCE 1054497 Not set 86610110 PR 651/10 RO 1113/6 NE/H025162/1 NE/H020098/1 NE/J019801/1 IRG 230828 NE/I006257/1 259627 CTM2011-2079 1245283 1058858 NE/I00646X/2 NE/H014616/1 NE/I00646X/1 Multidisciplinary 1000 General Journal Article 2013 ftunivqespace https://doi.org/10.1126/science.1223646 2020-12-15T00:55:41Z The circum-Antarctic Southern Ocean is an important region for global marine food webs and carbon cycling because of sea-ice formation and its unique plankton ecosystem. However, the mechanisms underlying the installation of this distinct ecosystem and the geological timing of its development remain unknown. Here, we show, on the basis of fossil marine dinoflagellate cyst records, that a major restructuring of the Southern Ocean plankton ecosystem occurred abruptly and concomitant with the first major Antarctic glaciation in the earliest Oligocene (~33.6 million years ago). This turnover marks a regime shift in zooplankton-phytoplankton interactions and community structure, which indicates the appearance of eutrophic and seasonally productive environments on the Antarctic margin. We conclude that earliest Oligocene cooling, ice-sheet expansion, and subsequent sea-ice formation were important drivers of biotic evolution in the Southern Ocean. Article in Journal/Newspaper Antarc* Antarctic Ice Sheet Sea ice Southern Ocean The University of Queensland: UQ eSpace Antarctic Southern Ocean The Antarctic Science 340 6130 341 344 |
institution |
Open Polar |
collection |
The University of Queensland: UQ eSpace |
op_collection_id |
ftunivqespace |
language |
English |
topic |
Multidisciplinary 1000 General |
spellingShingle |
Multidisciplinary 1000 General Houben, Alexander J. P. Bijl, Peter K. Pross, Jorg Bohaty, Steven M. Passchier, Sandra Stickely, Catherine E. Rhol, Ursula Sugisaki, Saiko Tauxe, Lisa van der Fliert, Tina Olney, Matthew Sangiorgi, Francesca Slujis, Appy Escutia, Carlota Brinkhuis, Henk Expedition 318 Scientists Welsh, Kevin Reorganization of Southern Ocean plankton ecosystem at the onset of Antarctic glaciation |
topic_facet |
Multidisciplinary 1000 General |
description |
The circum-Antarctic Southern Ocean is an important region for global marine food webs and carbon cycling because of sea-ice formation and its unique plankton ecosystem. However, the mechanisms underlying the installation of this distinct ecosystem and the geological timing of its development remain unknown. Here, we show, on the basis of fossil marine dinoflagellate cyst records, that a major restructuring of the Southern Ocean plankton ecosystem occurred abruptly and concomitant with the first major Antarctic glaciation in the earliest Oligocene (~33.6 million years ago). This turnover marks a regime shift in zooplankton-phytoplankton interactions and community structure, which indicates the appearance of eutrophic and seasonally productive environments on the Antarctic margin. We conclude that earliest Oligocene cooling, ice-sheet expansion, and subsequent sea-ice formation were important drivers of biotic evolution in the Southern Ocean. |
format |
Article in Journal/Newspaper |
author |
Houben, Alexander J. P. Bijl, Peter K. Pross, Jorg Bohaty, Steven M. Passchier, Sandra Stickely, Catherine E. Rhol, Ursula Sugisaki, Saiko Tauxe, Lisa van der Fliert, Tina Olney, Matthew Sangiorgi, Francesca Slujis, Appy Escutia, Carlota Brinkhuis, Henk Expedition 318 Scientists Welsh, Kevin |
author_facet |
Houben, Alexander J. P. Bijl, Peter K. Pross, Jorg Bohaty, Steven M. Passchier, Sandra Stickely, Catherine E. Rhol, Ursula Sugisaki, Saiko Tauxe, Lisa van der Fliert, Tina Olney, Matthew Sangiorgi, Francesca Slujis, Appy Escutia, Carlota Brinkhuis, Henk Expedition 318 Scientists Welsh, Kevin |
author_sort |
Houben, Alexander J. P. |
title |
Reorganization of Southern Ocean plankton ecosystem at the onset of Antarctic glaciation |
title_short |
Reorganization of Southern Ocean plankton ecosystem at the onset of Antarctic glaciation |
title_full |
Reorganization of Southern Ocean plankton ecosystem at the onset of Antarctic glaciation |
title_fullStr |
Reorganization of Southern Ocean plankton ecosystem at the onset of Antarctic glaciation |
title_full_unstemmed |
Reorganization of Southern Ocean plankton ecosystem at the onset of Antarctic glaciation |
title_sort |
reorganization of southern ocean plankton ecosystem at the onset of antarctic glaciation |
publisher |
American Association for the Advancement of Science |
publishDate |
2013 |
url |
https://espace.library.uq.edu.au/view/UQ:319718 |
geographic |
Antarctic Southern Ocean The Antarctic |
geographic_facet |
Antarctic Southern Ocean The Antarctic |
genre |
Antarc* Antarctic Ice Sheet Sea ice Southern Ocean |
genre_facet |
Antarc* Antarctic Ice Sheet Sea ice Southern Ocean |
op_relation |
doi:10.1126/science.1223646 issn:1095-9203 issn:0036-8075 orcid:0000-0002-4834-4190 ANT-1245283 OCE 1058858 OCE 1054497 Not set 86610110 PR 651/10 RO 1113/6 NE/H025162/1 NE/H020098/1 NE/J019801/1 IRG 230828 NE/I006257/1 259627 CTM2011-2079 1245283 1058858 NE/I00646X/2 NE/H014616/1 NE/I00646X/1 |
op_doi |
https://doi.org/10.1126/science.1223646 |
container_title |
Science |
container_volume |
340 |
container_issue |
6130 |
container_start_page |
341 |
op_container_end_page |
344 |
_version_ |
1766251418534019072 |