Quantitative analysis of soft-bottom polychaetes of the Bellingshausen Sea and Gerlache Strait (Antarctica)
The basin off the Bellingshausen Sea, in contrast to other better known areas such as the Antarctic Peninsula and the Ross and Weddell Seas, has been little investigated due to remoteness and the prevalence of ice for most of the year. The present study focuses on an analysis of polychaetes collecte...
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Centro Oceanográfico de Vigo
2010
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Online Access: | http://hdl.handle.net/10508/7893 https://doi.org/10.1007/s00300-010-0927-4 |
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ftieo:oai:repositorio.ieo.es:10508/7893 2023-05-15T14:00:17+02:00 Quantitative analysis of soft-bottom polychaetes of the Bellingshausen Sea and Gerlache Strait (Antarctica) Parapar, J. (Julio) López-Díaz, E. (Eduardo) Gambi, M.C. (María Cristina) Núñez, J. (Jorge) Ramos, A. (Ana) Antarctic Ocean Bellingshausen Sea 2010 http://hdl.handle.net/10508/7893 https://doi.org/10.1007/s00300-010-0927-4 unknown Centro Oceanográfico de Vigo http://link.springer.com/article/10.1007%2Fs00300-010-0927-4 http://hdl.handle.net/10508/7893 Polar Biology, 34(5). 2010: 715-730 doi:10.1007/s00300-010-0927-4 Atribución-NoComercial-SinDerivadas 3.0 España http://creativecommons.org/licenses/by-nc-nd/3.0/es/ openAccess CC-BY-NC-ND Polychaetes Soft bottoms Benthos Box-corer Distribution BENTART cruises Antarctica article 2010 ftieo https://doi.org/10.1007/s00300-010-0927-4 2022-08-30T23:47:12Z The basin off the Bellingshausen Sea, in contrast to other better known areas such as the Antarctic Peninsula and the Ross and Weddell Seas, has been little investigated due to remoteness and the prevalence of ice for most of the year. The present study focuses on an analysis of polychaetes collected from soft bottoms of this sea and off the west coast of the Antarctic Peninsula (Gerlache Strait) by means of a box-corer (25 × 25 cm) in two intensive surveys carried out during austral summers of 2002–2003 and 2005–2006 (BENTART-03 and BENTART-06). Three different polychaete assemblages were determined from the classification and ordination analyses of sampling stations based on the Bray-Curtis similarity index. One group of stations encompassed the deep stations from the shelf of the Bellingshausen Sea, the second one the shallower stations from the same area and the third one those stations located near the coast of Peter I Island and Gerlache Strait, off the Antarctic Peninsula. The environmental variables involved in segregating these groups were several sedimentary features (redox potential, gravel content) and depth. The present study provides further support to previous ones that considered the shelf of the Bellingshausen Sea as a differentiated region within the Southern Ocean, clearly distinct to the adjacent Weddell and Scott Seas and the Antarctic Peninsula. 1 Article in Journal/Newspaper Antarc* Antarctic Antarctic Ocean Antarctic Peninsula Antarctica Bellingshausen Sea Peter I Island Polar Biology Southern Ocean Instituto Español de Oceanografía: e-IEO Antarctic Antarctic Ocean Antarctic Peninsula Austral Bellingshausen Sea Bray ENVELOPE(-114.067,-114.067,-74.833,-74.833) Gerlache ENVELOPE(99.033,99.033,-66.500,-66.500) Gerlache Strait ENVELOPE(-62.333,-62.333,-64.500,-64.500) Peter I Island ENVELOPE(-90.583,-90.583,-68.783,-68.783) Southern Ocean The Antarctic Weddell Polar Biology 34 5 715 730 |
institution |
Open Polar |
collection |
Instituto Español de Oceanografía: e-IEO |
op_collection_id |
ftieo |
language |
unknown |
topic |
Polychaetes Soft bottoms Benthos Box-corer Distribution BENTART cruises Antarctica |
spellingShingle |
Polychaetes Soft bottoms Benthos Box-corer Distribution BENTART cruises Antarctica Parapar, J. (Julio) López-Díaz, E. (Eduardo) Gambi, M.C. (María Cristina) Núñez, J. (Jorge) Ramos, A. (Ana) Quantitative analysis of soft-bottom polychaetes of the Bellingshausen Sea and Gerlache Strait (Antarctica) |
topic_facet |
Polychaetes Soft bottoms Benthos Box-corer Distribution BENTART cruises Antarctica |
description |
The basin off the Bellingshausen Sea, in contrast to other better known areas such as the Antarctic Peninsula and the Ross and Weddell Seas, has been little investigated due to remoteness and the prevalence of ice for most of the year. The present study focuses on an analysis of polychaetes collected from soft bottoms of this sea and off the west coast of the Antarctic Peninsula (Gerlache Strait) by means of a box-corer (25 × 25 cm) in two intensive surveys carried out during austral summers of 2002–2003 and 2005–2006 (BENTART-03 and BENTART-06). Three different polychaete assemblages were determined from the classification and ordination analyses of sampling stations based on the Bray-Curtis similarity index. One group of stations encompassed the deep stations from the shelf of the Bellingshausen Sea, the second one the shallower stations from the same area and the third one those stations located near the coast of Peter I Island and Gerlache Strait, off the Antarctic Peninsula. The environmental variables involved in segregating these groups were several sedimentary features (redox potential, gravel content) and depth. The present study provides further support to previous ones that considered the shelf of the Bellingshausen Sea as a differentiated region within the Southern Ocean, clearly distinct to the adjacent Weddell and Scott Seas and the Antarctic Peninsula. 1 |
format |
Article in Journal/Newspaper |
author |
Parapar, J. (Julio) López-Díaz, E. (Eduardo) Gambi, M.C. (María Cristina) Núñez, J. (Jorge) Ramos, A. (Ana) |
author_facet |
Parapar, J. (Julio) López-Díaz, E. (Eduardo) Gambi, M.C. (María Cristina) Núñez, J. (Jorge) Ramos, A. (Ana) |
author_sort |
Parapar, J. (Julio) |
title |
Quantitative analysis of soft-bottom polychaetes of the Bellingshausen Sea and Gerlache Strait (Antarctica) |
title_short |
Quantitative analysis of soft-bottom polychaetes of the Bellingshausen Sea and Gerlache Strait (Antarctica) |
title_full |
Quantitative analysis of soft-bottom polychaetes of the Bellingshausen Sea and Gerlache Strait (Antarctica) |
title_fullStr |
Quantitative analysis of soft-bottom polychaetes of the Bellingshausen Sea and Gerlache Strait (Antarctica) |
title_full_unstemmed |
Quantitative analysis of soft-bottom polychaetes of the Bellingshausen Sea and Gerlache Strait (Antarctica) |
title_sort |
quantitative analysis of soft-bottom polychaetes of the bellingshausen sea and gerlache strait (antarctica) |
publisher |
Centro Oceanográfico de Vigo |
publishDate |
2010 |
url |
http://hdl.handle.net/10508/7893 https://doi.org/10.1007/s00300-010-0927-4 |
op_coverage |
Antarctic Ocean Bellingshausen Sea |
long_lat |
ENVELOPE(-114.067,-114.067,-74.833,-74.833) ENVELOPE(99.033,99.033,-66.500,-66.500) ENVELOPE(-62.333,-62.333,-64.500,-64.500) ENVELOPE(-90.583,-90.583,-68.783,-68.783) |
geographic |
Antarctic Antarctic Ocean Antarctic Peninsula Austral Bellingshausen Sea Bray Gerlache Gerlache Strait Peter I Island Southern Ocean The Antarctic Weddell |
geographic_facet |
Antarctic Antarctic Ocean Antarctic Peninsula Austral Bellingshausen Sea Bray Gerlache Gerlache Strait Peter I Island Southern Ocean The Antarctic Weddell |
genre |
Antarc* Antarctic Antarctic Ocean Antarctic Peninsula Antarctica Bellingshausen Sea Peter I Island Polar Biology Southern Ocean |
genre_facet |
Antarc* Antarctic Antarctic Ocean Antarctic Peninsula Antarctica Bellingshausen Sea Peter I Island Polar Biology Southern Ocean |
op_relation |
http://link.springer.com/article/10.1007%2Fs00300-010-0927-4 http://hdl.handle.net/10508/7893 Polar Biology, 34(5). 2010: 715-730 doi:10.1007/s00300-010-0927-4 |
op_rights |
Atribución-NoComercial-SinDerivadas 3.0 España http://creativecommons.org/licenses/by-nc-nd/3.0/es/ openAccess |
op_rightsnorm |
CC-BY-NC-ND |
op_doi |
https://doi.org/10.1007/s00300-010-0927-4 |
container_title |
Polar Biology |
container_volume |
34 |
container_issue |
5 |
container_start_page |
715 |
op_container_end_page |
730 |
_version_ |
1766269320521842688 |