Ectosymbiosis is a critical factor in the local benthic biodiversity of the Antarctic deep sea.

10 pages International audience In deep-sea benthic environments, competition for hard substrates is a critical factor in the distribution and diversity of organisms. In this context, the occurrence of biotic substrates in addition to mineral substrates may change the characteristics of sessile faun...

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Published in:Marine Ecology Progress Series
Main Authors: Hétérier, Vincent, David, Bruno, de Ridder, Chantal, Rigaud, Thierry
Other Authors: Biogéosciences UMR 6282 (BGS), Université de Bourgogne (UB)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Biologie marine, Université libre de Bruxelles (ULB), Supported by the Belgian Science Policy (PADDII projects), and by a PhD grant from the Belgian Science Policy.
Format: Article in Journal/Newspaper
Language:English
Published: HAL CCSD 2008
Subjects:
Online Access:https://hal.science/hal-00322205
https://doi.org/10.3354/meps07487
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spelling ftunivbourgogne:oai:HAL:hal-00322205v1 2024-01-07T09:40:07+01:00 Ectosymbiosis is a critical factor in the local benthic biodiversity of the Antarctic deep sea. Hétérier, Vincent David, Bruno de Ridder, Chantal Rigaud, Thierry Biogéosciences UMR 6282 (BGS) Université de Bourgogne (UB)-Centre National de la Recherche Scientifique (CNRS) Laboratoire de Biologie marine Université libre de Bruxelles (ULB) Supported by the Belgian Science Policy (PADDII projects), and by a PhD grant from the Belgian Science Policy. 2008 https://hal.science/hal-00322205 https://doi.org/10.3354/meps07487 en eng HAL CCSD Inter Research info:eu-repo/semantics/altIdentifier/doi/10.3354/meps07487 hal-00322205 https://hal.science/hal-00322205 doi:10.3354/meps07487 ISSN: 0171-8630 EISSN: 1616-1599 Marine Ecology Progress Series https://hal.science/hal-00322205 Marine Ecology Progress Series, 2008, 364, pp.67-76. ⟨10.3354/meps07487⟩ Symbiosis Species diversity Species abundance Null models Cidaroids Weddell Sea [SDE.BE]Environmental Sciences/Biodiversity and Ecology [SDV.EE.IEO]Life Sciences [q-bio]/Ecology environment/Symbiosis info:eu-repo/semantics/article Journal articles 2008 ftunivbourgogne https://doi.org/10.3354/meps07487 2023-12-12T23:41:28Z 10 pages International audience In deep-sea benthic environments, competition for hard substrates is a critical factor in the distribution and diversity of organisms. In this context, the occurrence of biotic substrates in addition to mineral substrates may change the characteristics of sessile fauna. We tested this hypothesis at different localities of the Weddell Sea (Antarctica) by studying the diversity of ectosymbionts living on the spines of cidaroids (echinoids). The presence of cidaroids promoted a higher total specific richness and increased sessile species abundance, but did not change the diversity. Analyses of species distribution suggested that the cidaroids are a favourable habitat for sessile organisms, compared to rocks, but are colonized by relatively specialist sessile species, leaving the unfavourable rock habitat to more generalist species. Therefore, our study highlights the role of some living organisms, such as cidaroids, as key species increasing Antarctic benthic deep-sea species richness through the niche they provide to symbiotic species. Article in Journal/Newspaper Antarc* Antarctic Antarctica Weddell Sea Université de Bourgogne (UB): HAL Antarctic The Antarctic Weddell Weddell Sea Marine Ecology Progress Series 364 67 76
institution Open Polar
collection Université de Bourgogne (UB): HAL
op_collection_id ftunivbourgogne
language English
topic Symbiosis
Species diversity
Species abundance
Null models
Cidaroids
Weddell Sea
[SDE.BE]Environmental Sciences/Biodiversity and Ecology
[SDV.EE.IEO]Life Sciences [q-bio]/Ecology
environment/Symbiosis
spellingShingle Symbiosis
Species diversity
Species abundance
Null models
Cidaroids
Weddell Sea
[SDE.BE]Environmental Sciences/Biodiversity and Ecology
[SDV.EE.IEO]Life Sciences [q-bio]/Ecology
environment/Symbiosis
Hétérier, Vincent
David, Bruno
de Ridder, Chantal
Rigaud, Thierry
Ectosymbiosis is a critical factor in the local benthic biodiversity of the Antarctic deep sea.
topic_facet Symbiosis
Species diversity
Species abundance
Null models
Cidaroids
Weddell Sea
[SDE.BE]Environmental Sciences/Biodiversity and Ecology
[SDV.EE.IEO]Life Sciences [q-bio]/Ecology
environment/Symbiosis
description 10 pages International audience In deep-sea benthic environments, competition for hard substrates is a critical factor in the distribution and diversity of organisms. In this context, the occurrence of biotic substrates in addition to mineral substrates may change the characteristics of sessile fauna. We tested this hypothesis at different localities of the Weddell Sea (Antarctica) by studying the diversity of ectosymbionts living on the spines of cidaroids (echinoids). The presence of cidaroids promoted a higher total specific richness and increased sessile species abundance, but did not change the diversity. Analyses of species distribution suggested that the cidaroids are a favourable habitat for sessile organisms, compared to rocks, but are colonized by relatively specialist sessile species, leaving the unfavourable rock habitat to more generalist species. Therefore, our study highlights the role of some living organisms, such as cidaroids, as key species increasing Antarctic benthic deep-sea species richness through the niche they provide to symbiotic species.
author2 Biogéosciences UMR 6282 (BGS)
Université de Bourgogne (UB)-Centre National de la Recherche Scientifique (CNRS)
Laboratoire de Biologie marine
Université libre de Bruxelles (ULB)
Supported by the Belgian Science Policy (PADDII projects), and by a PhD grant from the Belgian Science Policy.
format Article in Journal/Newspaper
author Hétérier, Vincent
David, Bruno
de Ridder, Chantal
Rigaud, Thierry
author_facet Hétérier, Vincent
David, Bruno
de Ridder, Chantal
Rigaud, Thierry
author_sort Hétérier, Vincent
title Ectosymbiosis is a critical factor in the local benthic biodiversity of the Antarctic deep sea.
title_short Ectosymbiosis is a critical factor in the local benthic biodiversity of the Antarctic deep sea.
title_full Ectosymbiosis is a critical factor in the local benthic biodiversity of the Antarctic deep sea.
title_fullStr Ectosymbiosis is a critical factor in the local benthic biodiversity of the Antarctic deep sea.
title_full_unstemmed Ectosymbiosis is a critical factor in the local benthic biodiversity of the Antarctic deep sea.
title_sort ectosymbiosis is a critical factor in the local benthic biodiversity of the antarctic deep sea.
publisher HAL CCSD
publishDate 2008
url https://hal.science/hal-00322205
https://doi.org/10.3354/meps07487
geographic Antarctic
The Antarctic
Weddell
Weddell Sea
geographic_facet Antarctic
The Antarctic
Weddell
Weddell Sea
genre Antarc*
Antarctic
Antarctica
Weddell Sea
genre_facet Antarc*
Antarctic
Antarctica
Weddell Sea
op_source ISSN: 0171-8630
EISSN: 1616-1599
Marine Ecology Progress Series
https://hal.science/hal-00322205
Marine Ecology Progress Series, 2008, 364, pp.67-76. ⟨10.3354/meps07487⟩
op_relation info:eu-repo/semantics/altIdentifier/doi/10.3354/meps07487
hal-00322205
https://hal.science/hal-00322205
doi:10.3354/meps07487
op_doi https://doi.org/10.3354/meps07487
container_title Marine Ecology Progress Series
container_volume 364
container_start_page 67
op_container_end_page 76
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