The Discovery of New Deep-Sea Hydrothermal Vent Communities in the Southern Ocean and Implications for Biogeography
Rogers, Alex D. . et. al.-- 17 pages, 6 figures, 2 tables, supporting information in https://doi.org/10.1371/journal.pbio.1001234 Since the first discovery of deep-sea hydrothermal vents along the Galápagos Rift in 1977, numerous vent sites and endemic faunal assemblages have been found along mid-oc...
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ftcsic:oai:digital.csic.es:10261/91992 2024-02-11T09:55:46+01:00 The Discovery of New Deep-Sea Hydrothermal Vent Communities in the Southern Ocean and Implications for Biogeography Rogers, Alex D. Ramírez-Llodra, Eva Zwirglmaier, Katrin 2012-01 http://hdl.handle.net/10261/91992 https://doi.org/10.1371/journal.pbio.1001234 en eng Public Library of Science Publisher’s version https://doi.org/10.1371/journal.pbio.1001234 doi:10.1371/journal.pbio.1001234 issn: 1544-9173 e-issn: 1545-7885 PLoS Biology 10(1): e1001234 (2012) http://hdl.handle.net/10261/91992 22235194 open artículo http://purl.org/coar/resource_type/c_6501 2012 ftcsic https://doi.org/10.1371/journal.pbio.1001234 2024-01-16T09:56:34Z Rogers, Alex D. . et. al.-- 17 pages, 6 figures, 2 tables, supporting information in https://doi.org/10.1371/journal.pbio.1001234 Since the first discovery of deep-sea hydrothermal vents along the Galápagos Rift in 1977, numerous vent sites and endemic faunal assemblages have been found along mid-ocean ridges and back-arc basins at low to mid latitudes. These discoveries have suggested the existence of separate biogeographic provinces in the Atlantic and the North West Pacific, the existence of a province including the South West Pacific and Indian Ocean, and a separation of the North East Pacific, North East Pacific Rise, and South East Pacific Rise. The Southern Ocean is known to be a region of high deep-sea species diversity and centre of origin for the global deep-sea fauna. It has also been proposed as a gateway connecting hydrothermal vents in different oceans but is little explored because of extreme conditions. Since 2009 we have explored two segments of the East Scotia Ridge (ESR) in the Southern Ocean using a remotely operated vehicle. In each segment we located deep-sea hydrothermal vents hosting high-temperature black smokers up to 382.8°C and diffuse venting. The chemosynthetic ecosystems hosted by these vents are dominated by a new yeti crab (Kiwa n. sp.), stalked barnacles, limpets, peltospiroid gastropods, anemones, and a predatory sea star. Taxa abundant in vent ecosystems in other oceans, including polychaete worms (Siboglinidae), bathymodiolid mussels, and alvinocaridid shrimps, are absent from the ESR vents. These groups, except the Siboglinidae, possess planktotrophic larvae, rare in Antarctic marine invertebrates, suggesting that the environmental conditions of the Southern Ocean may act as a dispersal filter for vent taxa. Evidence from the distinctive fauna, the unique community structure, and multivariate analyses suggest that the Antarctic vent ecosystems represent a new vent biogeographic province. However, multivariate analyses of species present at the ESR and at other deep-sea ... Article in Journal/Newspaper Antarc* Antarctic Southern Ocean Digital.CSIC (Spanish National Research Council) Antarctic Southern Ocean The Antarctic Pacific Indian East Scotia Ridge ENVELOPE(-29.250,-29.250,-57.917,-57.917) PLoS Biology 10 1 e1001234 |
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Open Polar |
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Digital.CSIC (Spanish National Research Council) |
op_collection_id |
ftcsic |
language |
English |
description |
Rogers, Alex D. . et. al.-- 17 pages, 6 figures, 2 tables, supporting information in https://doi.org/10.1371/journal.pbio.1001234 Since the first discovery of deep-sea hydrothermal vents along the Galápagos Rift in 1977, numerous vent sites and endemic faunal assemblages have been found along mid-ocean ridges and back-arc basins at low to mid latitudes. These discoveries have suggested the existence of separate biogeographic provinces in the Atlantic and the North West Pacific, the existence of a province including the South West Pacific and Indian Ocean, and a separation of the North East Pacific, North East Pacific Rise, and South East Pacific Rise. The Southern Ocean is known to be a region of high deep-sea species diversity and centre of origin for the global deep-sea fauna. It has also been proposed as a gateway connecting hydrothermal vents in different oceans but is little explored because of extreme conditions. Since 2009 we have explored two segments of the East Scotia Ridge (ESR) in the Southern Ocean using a remotely operated vehicle. In each segment we located deep-sea hydrothermal vents hosting high-temperature black smokers up to 382.8°C and diffuse venting. The chemosynthetic ecosystems hosted by these vents are dominated by a new yeti crab (Kiwa n. sp.), stalked barnacles, limpets, peltospiroid gastropods, anemones, and a predatory sea star. Taxa abundant in vent ecosystems in other oceans, including polychaete worms (Siboglinidae), bathymodiolid mussels, and alvinocaridid shrimps, are absent from the ESR vents. These groups, except the Siboglinidae, possess planktotrophic larvae, rare in Antarctic marine invertebrates, suggesting that the environmental conditions of the Southern Ocean may act as a dispersal filter for vent taxa. Evidence from the distinctive fauna, the unique community structure, and multivariate analyses suggest that the Antarctic vent ecosystems represent a new vent biogeographic province. However, multivariate analyses of species present at the ESR and at other deep-sea ... |
format |
Article in Journal/Newspaper |
author |
Rogers, Alex D. Ramírez-Llodra, Eva Zwirglmaier, Katrin |
spellingShingle |
Rogers, Alex D. Ramírez-Llodra, Eva Zwirglmaier, Katrin The Discovery of New Deep-Sea Hydrothermal Vent Communities in the Southern Ocean and Implications for Biogeography |
author_facet |
Rogers, Alex D. Ramírez-Llodra, Eva Zwirglmaier, Katrin |
author_sort |
Rogers, Alex D. |
title |
The Discovery of New Deep-Sea Hydrothermal Vent Communities in the Southern Ocean and Implications for Biogeography |
title_short |
The Discovery of New Deep-Sea Hydrothermal Vent Communities in the Southern Ocean and Implications for Biogeography |
title_full |
The Discovery of New Deep-Sea Hydrothermal Vent Communities in the Southern Ocean and Implications for Biogeography |
title_fullStr |
The Discovery of New Deep-Sea Hydrothermal Vent Communities in the Southern Ocean and Implications for Biogeography |
title_full_unstemmed |
The Discovery of New Deep-Sea Hydrothermal Vent Communities in the Southern Ocean and Implications for Biogeography |
title_sort |
discovery of new deep-sea hydrothermal vent communities in the southern ocean and implications for biogeography |
publisher |
Public Library of Science |
publishDate |
2012 |
url |
http://hdl.handle.net/10261/91992 https://doi.org/10.1371/journal.pbio.1001234 |
long_lat |
ENVELOPE(-29.250,-29.250,-57.917,-57.917) |
geographic |
Antarctic Southern Ocean The Antarctic Pacific Indian East Scotia Ridge |
geographic_facet |
Antarctic Southern Ocean The Antarctic Pacific Indian East Scotia Ridge |
genre |
Antarc* Antarctic Southern Ocean |
genre_facet |
Antarc* Antarctic Southern Ocean |
op_relation |
Publisher’s version https://doi.org/10.1371/journal.pbio.1001234 doi:10.1371/journal.pbio.1001234 issn: 1544-9173 e-issn: 1545-7885 PLoS Biology 10(1): e1001234 (2012) http://hdl.handle.net/10261/91992 22235194 |
op_rights |
open |
op_doi |
https://doi.org/10.1371/journal.pbio.1001234 |
container_title |
PLoS Biology |
container_volume |
10 |
container_issue |
1 |
container_start_page |
e1001234 |
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1790598705194205184 |