Microzooplankton composition in the winter sea ice of the Weddell Sea
Abstract Sympagic microzooplankton were studied during late winter in the northern Weddell Sea for diversity, abundance and carbon biomass. Ice cores were collected on an ice floe along three dive transects and seawater was taken from under the ice through the central dive hole from which all transe...
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Online Access: | http://dx.doi.org/10.1017/s0954102016000717 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0954102016000717 |
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crcambridgeupr:10.1017/s0954102016000717 2024-09-09T19:07:18+00:00 Microzooplankton composition in the winter sea ice of the Weddell Sea Monti-Birkenmeier, Marina Diociaiuti, Tommaso Umani, Serena Fonda Meyer, Bettina 2017 http://dx.doi.org/10.1017/s0954102016000717 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0954102016000717 en eng Cambridge University Press (CUP) https://www.cambridge.org/core/terms Antarctic Science volume 29, issue 4, page 299-310 ISSN 0954-1020 1365-2079 journal-article 2017 crcambridgeupr https://doi.org/10.1017/s0954102016000717 2024-08-07T04:04:05Z Abstract Sympagic microzooplankton were studied during late winter in the northern Weddell Sea for diversity, abundance and carbon biomass. Ice cores were collected on an ice floe along three dive transects and seawater was taken from under the ice through the central dive hole from which all transects were connected. The areal and vertical microzooplankton distributions in the ice and water were compared. Abundance (max. 1300 ind. l -1 ) and biomass (max. 28.2 µg C l -1 ) were high in the ice cores and low in the water below the sea ice (max. 19 ind. l -1 , 0.15 µg C l -1 , respectively). The highest abundances were observed in the bottom 10 cm of the ice cores. The microzooplankton community within the sea ice comprised mainly aloricate ciliates, foraminifers and micrometazoans. In winter, microzooplankton represent an important fraction of the sympagic community in the Antarctic sea ice. They can potentially control microalgal production and contribute to particulate organic carbon concentrations when released into the water column during the ice melt in spring. Continued reduction of the sea ice may undermine the roles of microzooplankton, leading to a reduction or complete loss of diversity, abundance and biomass of these sympagic protists. Article in Journal/Newspaper Antarc* Antarctic Antarctic Science Sea ice Weddell Sea Cambridge University Press Antarctic The Antarctic Weddell Weddell Sea Antarctic Science 29 4 299 310 |
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Open Polar |
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Cambridge University Press |
op_collection_id |
crcambridgeupr |
language |
English |
description |
Abstract Sympagic microzooplankton were studied during late winter in the northern Weddell Sea for diversity, abundance and carbon biomass. Ice cores were collected on an ice floe along three dive transects and seawater was taken from under the ice through the central dive hole from which all transects were connected. The areal and vertical microzooplankton distributions in the ice and water were compared. Abundance (max. 1300 ind. l -1 ) and biomass (max. 28.2 µg C l -1 ) were high in the ice cores and low in the water below the sea ice (max. 19 ind. l -1 , 0.15 µg C l -1 , respectively). The highest abundances were observed in the bottom 10 cm of the ice cores. The microzooplankton community within the sea ice comprised mainly aloricate ciliates, foraminifers and micrometazoans. In winter, microzooplankton represent an important fraction of the sympagic community in the Antarctic sea ice. They can potentially control microalgal production and contribute to particulate organic carbon concentrations when released into the water column during the ice melt in spring. Continued reduction of the sea ice may undermine the roles of microzooplankton, leading to a reduction or complete loss of diversity, abundance and biomass of these sympagic protists. |
format |
Article in Journal/Newspaper |
author |
Monti-Birkenmeier, Marina Diociaiuti, Tommaso Umani, Serena Fonda Meyer, Bettina |
spellingShingle |
Monti-Birkenmeier, Marina Diociaiuti, Tommaso Umani, Serena Fonda Meyer, Bettina Microzooplankton composition in the winter sea ice of the Weddell Sea |
author_facet |
Monti-Birkenmeier, Marina Diociaiuti, Tommaso Umani, Serena Fonda Meyer, Bettina |
author_sort |
Monti-Birkenmeier, Marina |
title |
Microzooplankton composition in the winter sea ice of the Weddell Sea |
title_short |
Microzooplankton composition in the winter sea ice of the Weddell Sea |
title_full |
Microzooplankton composition in the winter sea ice of the Weddell Sea |
title_fullStr |
Microzooplankton composition in the winter sea ice of the Weddell Sea |
title_full_unstemmed |
Microzooplankton composition in the winter sea ice of the Weddell Sea |
title_sort |
microzooplankton composition in the winter sea ice of the weddell sea |
publisher |
Cambridge University Press (CUP) |
publishDate |
2017 |
url |
http://dx.doi.org/10.1017/s0954102016000717 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0954102016000717 |
geographic |
Antarctic The Antarctic Weddell Weddell Sea |
geographic_facet |
Antarctic The Antarctic Weddell Weddell Sea |
genre |
Antarc* Antarctic Antarctic Science Sea ice Weddell Sea |
genre_facet |
Antarc* Antarctic Antarctic Science Sea ice Weddell Sea |
op_source |
Antarctic Science volume 29, issue 4, page 299-310 ISSN 0954-1020 1365-2079 |
op_rights |
https://www.cambridge.org/core/terms |
op_doi |
https://doi.org/10.1017/s0954102016000717 |
container_title |
Antarctic Science |
container_volume |
29 |
container_issue |
4 |
container_start_page |
299 |
op_container_end_page |
310 |
_version_ |
1809821354367647744 |