Benthic communities of the Filchner Region (Weddell Sea, Antarctica)
18 pages, 6 figures, 5 tables Due to extreme pack ice, the Filchner Region in the southern Weddell Sea is one of the least studied regions on the planet. Here, we provide a detailed description of the benthic communities of this high-Antarctic ecosystem, and assess the relationship between environme...
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ftcsic:oai:digital.csic.es:10261/194940 2024-02-11T09:56:06+01:00 Benthic communities of the Filchner Region (Weddell Sea, Antarctica) Pineda-Metz, Santiago E. A. Isla, Enrique Gerdes, Dieter 2019-10 http://hdl.handle.net/10261/194940 https://doi.org/10.3354/meps13093 unknown Inter Research Publisher's version https://doi.org/10.3354/meps13093 Sí doi:10.3354/meps13093 issn: 0171-8630 e-issn: 1616-1599 Marine Ecology Progress Series 628: 37-54 (2019) http://hdl.handle.net/10261/194940 open Zoobenthic distribution patterns Southern Ocean Epifaunal benthos Mega- and macrofauna Infaunal benthos Sediment cores Seabed images Environment-benthic relationships artículo http://purl.org/coar/resource_type/c_6501 2019 ftcsic https://doi.org/10.3354/meps13093 2024-01-16T10:45:40Z 18 pages, 6 figures, 5 tables Due to extreme pack ice, the Filchner Region in the southern Weddell Sea is one of the least studied regions on the planet. Here, we provide a detailed description of the benthic communities of this high-Antarctic ecosystem, and assess the relationship between environmental factors and benthic distribution patterns. Fieldwork was performed in the austral summers of 2013-14 and 2015-16 during the R/V ‘Polarstern’ cruises PS82 and PS96. Using a combination of multibox corer (MBC) and seabed image data from 37 stations (water depths 243-1217 m), we differentiated 6 station groups. While 1 of these groups was comprised of a single station, the other 5 groups represented distinct benthic communities. Three of these correspond to the previously described Eastern Shelf, Southern Shelf, and Southern Trench communities. However, we found distribution shifts and MBC abundance and biomass reductions when comparing our results with earlier studies. The other 2 groups have novel characteristics and are presented here as an Ice/Ice Shelf Water-related community and a Continental slope community. Water depth in combination with 2 or 3 other environmental variables (out of 7 available) explained <30% of the benthic distribution and composition. We found a tighter relationship between water mass circulation and spatial distribution of the communities; we suggest using water-mass-related characteristics (e.g. productivity regimes, water currents) to better explain benthic spatial distribution pattern Peer Reviewed Article in Journal/Newspaper Antarc* Antarctic Antarctica Ice Shelf Southern Ocean Weddell Sea Digital.CSIC (Spanish National Research Council) Antarctic Austral Southern Ocean Weddell Weddell Sea Marine Ecology Progress Series 628 37 54 |
institution |
Open Polar |
collection |
Digital.CSIC (Spanish National Research Council) |
op_collection_id |
ftcsic |
language |
unknown |
topic |
Zoobenthic distribution patterns Southern Ocean Epifaunal benthos Mega- and macrofauna Infaunal benthos Sediment cores Seabed images Environment-benthic relationships |
spellingShingle |
Zoobenthic distribution patterns Southern Ocean Epifaunal benthos Mega- and macrofauna Infaunal benthos Sediment cores Seabed images Environment-benthic relationships Pineda-Metz, Santiago E. A. Isla, Enrique Gerdes, Dieter Benthic communities of the Filchner Region (Weddell Sea, Antarctica) |
topic_facet |
Zoobenthic distribution patterns Southern Ocean Epifaunal benthos Mega- and macrofauna Infaunal benthos Sediment cores Seabed images Environment-benthic relationships |
description |
18 pages, 6 figures, 5 tables Due to extreme pack ice, the Filchner Region in the southern Weddell Sea is one of the least studied regions on the planet. Here, we provide a detailed description of the benthic communities of this high-Antarctic ecosystem, and assess the relationship between environmental factors and benthic distribution patterns. Fieldwork was performed in the austral summers of 2013-14 and 2015-16 during the R/V ‘Polarstern’ cruises PS82 and PS96. Using a combination of multibox corer (MBC) and seabed image data from 37 stations (water depths 243-1217 m), we differentiated 6 station groups. While 1 of these groups was comprised of a single station, the other 5 groups represented distinct benthic communities. Three of these correspond to the previously described Eastern Shelf, Southern Shelf, and Southern Trench communities. However, we found distribution shifts and MBC abundance and biomass reductions when comparing our results with earlier studies. The other 2 groups have novel characteristics and are presented here as an Ice/Ice Shelf Water-related community and a Continental slope community. Water depth in combination with 2 or 3 other environmental variables (out of 7 available) explained <30% of the benthic distribution and composition. We found a tighter relationship between water mass circulation and spatial distribution of the communities; we suggest using water-mass-related characteristics (e.g. productivity regimes, water currents) to better explain benthic spatial distribution pattern Peer Reviewed |
format |
Article in Journal/Newspaper |
author |
Pineda-Metz, Santiago E. A. Isla, Enrique Gerdes, Dieter |
author_facet |
Pineda-Metz, Santiago E. A. Isla, Enrique Gerdes, Dieter |
author_sort |
Pineda-Metz, Santiago E. A. |
title |
Benthic communities of the Filchner Region (Weddell Sea, Antarctica) |
title_short |
Benthic communities of the Filchner Region (Weddell Sea, Antarctica) |
title_full |
Benthic communities of the Filchner Region (Weddell Sea, Antarctica) |
title_fullStr |
Benthic communities of the Filchner Region (Weddell Sea, Antarctica) |
title_full_unstemmed |
Benthic communities of the Filchner Region (Weddell Sea, Antarctica) |
title_sort |
benthic communities of the filchner region (weddell sea, antarctica) |
publisher |
Inter Research |
publishDate |
2019 |
url |
http://hdl.handle.net/10261/194940 https://doi.org/10.3354/meps13093 |
geographic |
Antarctic Austral Southern Ocean Weddell Weddell Sea |
geographic_facet |
Antarctic Austral Southern Ocean Weddell Weddell Sea |
genre |
Antarc* Antarctic Antarctica Ice Shelf Southern Ocean Weddell Sea |
genre_facet |
Antarc* Antarctic Antarctica Ice Shelf Southern Ocean Weddell Sea |
op_relation |
Publisher's version https://doi.org/10.3354/meps13093 Sí doi:10.3354/meps13093 issn: 0171-8630 e-issn: 1616-1599 Marine Ecology Progress Series 628: 37-54 (2019) http://hdl.handle.net/10261/194940 |
op_rights |
open |
op_doi |
https://doi.org/10.3354/meps13093 |
container_title |
Marine Ecology Progress Series |
container_volume |
628 |
container_start_page |
37 |
op_container_end_page |
54 |
_version_ |
1790600643741745152 |