Demersal ichthyofaunal shelf communities from the Dumont d’Urville Sea (East Antarctica)
The RSV Aurora Australis survey allowed the first comprehensive study of the demersal ichthyofaunal environment and of the diversity of the Dumont d’Urville Sea. We observed a high dominance of the Notothenioidei in both the number of species and in integrated abundances. The Nototheniidae was the m...
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ftjamescook:oai:researchonline.jcu.edu.au:17772 2024-02-11T09:56:54+01:00 Demersal ichthyofaunal shelf communities from the Dumont d’Urville Sea (East Antarctica) Causse, Romain Ozouf-Costaz, Catherine Koubbi, Philippe Lamy, Dominique Eléaume, Marc Dettaï, Agnès Duhamel, Guy Busson, Frédéric Pruvost, Patrice Post, Alexandra Beaman, Robin J. Riddle, Martin J. 2011-08 application/pdf https://researchonline.jcu.edu.au/17772/1/17772_Causse_et_al_2011.pdf unknown Elsevier http://dx.doi.org/10.1016/j.polar.2011.03.004 https://researchonline.jcu.edu.au/17772/ https://researchonline.jcu.edu.au/17772/1/17772_Causse_et_al_2011.pdf Causse, Romain, Ozouf-Costaz, Catherine, Koubbi, Philippe, Lamy, Dominique, Eléaume, Marc, Dettaï, Agnès, Duhamel, Guy, Busson, Frédéric, Pruvost, Patrice, Post, Alexandra, Beaman, Robin J., and Riddle, Martin J. (2011) Demersal ichthyofaunal shelf communities from the Dumont d’Urville Sea (East Antarctica). Polar Science, 5 (2). pp. 272-285. openpub Article PeerReviewed 2011 ftjamescook https://doi.org/10.1016/j.polar.2011.03.004 2024-01-22T23:27:31Z The RSV Aurora Australis survey allowed the first comprehensive study of the demersal ichthyofaunal environment and of the diversity of the Dumont d’Urville Sea. We observed a high dominance of the Notothenioidei in both the number of species and in integrated abundances. The Nototheniidae was the most abundant family with 44.7% of the total integrated abundance, followed by Bathydraconidae (18.8%). Trematomus eulepidotus was the dominant species with 19.9% of the total individuals catch. Nevertheless, 43 of the 53 species caught could be considered as very rare. The Bathydraconidae was the most diversified family with 11 species caught. The highest integrated abundances of fish were found from 400 to 800 m. Well-structured species communities were observed, with high species richness from 570 to 681 m. The richest zones were located along the basins and along their upper-sides. Statistical analyses indicated large-scale spatial patterns in species composition, with clear differences in fish communities from the continental slopes, the basins and on the shelf. At a finer spatial scale, the current in the George V Basin and iceberg scouring on the banks and their sides tended to create locally heterogeneous small-scale habitats. We suggest that the glacial history and the structured habitats allowed successive colonisations of the seabed by demersal fish. Article in Journal/Newspaper Antarc* Antarctica aurora australis D’Urville Sea East Antarctica Polar Science Polar Science James Cook University, Australia: ResearchOnline@JCU Dumont d’Urville ENVELOPE(140.000,140.000,-66.667,-66.667) East Antarctica Polar Science 5 2 272 285 |
institution |
Open Polar |
collection |
James Cook University, Australia: ResearchOnline@JCU |
op_collection_id |
ftjamescook |
language |
unknown |
description |
The RSV Aurora Australis survey allowed the first comprehensive study of the demersal ichthyofaunal environment and of the diversity of the Dumont d’Urville Sea. We observed a high dominance of the Notothenioidei in both the number of species and in integrated abundances. The Nototheniidae was the most abundant family with 44.7% of the total integrated abundance, followed by Bathydraconidae (18.8%). Trematomus eulepidotus was the dominant species with 19.9% of the total individuals catch. Nevertheless, 43 of the 53 species caught could be considered as very rare. The Bathydraconidae was the most diversified family with 11 species caught. The highest integrated abundances of fish were found from 400 to 800 m. Well-structured species communities were observed, with high species richness from 570 to 681 m. The richest zones were located along the basins and along their upper-sides. Statistical analyses indicated large-scale spatial patterns in species composition, with clear differences in fish communities from the continental slopes, the basins and on the shelf. At a finer spatial scale, the current in the George V Basin and iceberg scouring on the banks and their sides tended to create locally heterogeneous small-scale habitats. We suggest that the glacial history and the structured habitats allowed successive colonisations of the seabed by demersal fish. |
format |
Article in Journal/Newspaper |
author |
Causse, Romain Ozouf-Costaz, Catherine Koubbi, Philippe Lamy, Dominique Eléaume, Marc Dettaï, Agnès Duhamel, Guy Busson, Frédéric Pruvost, Patrice Post, Alexandra Beaman, Robin J. Riddle, Martin J. |
spellingShingle |
Causse, Romain Ozouf-Costaz, Catherine Koubbi, Philippe Lamy, Dominique Eléaume, Marc Dettaï, Agnès Duhamel, Guy Busson, Frédéric Pruvost, Patrice Post, Alexandra Beaman, Robin J. Riddle, Martin J. Demersal ichthyofaunal shelf communities from the Dumont d’Urville Sea (East Antarctica) |
author_facet |
Causse, Romain Ozouf-Costaz, Catherine Koubbi, Philippe Lamy, Dominique Eléaume, Marc Dettaï, Agnès Duhamel, Guy Busson, Frédéric Pruvost, Patrice Post, Alexandra Beaman, Robin J. Riddle, Martin J. |
author_sort |
Causse, Romain |
title |
Demersal ichthyofaunal shelf communities from the Dumont d’Urville Sea (East Antarctica) |
title_short |
Demersal ichthyofaunal shelf communities from the Dumont d’Urville Sea (East Antarctica) |
title_full |
Demersal ichthyofaunal shelf communities from the Dumont d’Urville Sea (East Antarctica) |
title_fullStr |
Demersal ichthyofaunal shelf communities from the Dumont d’Urville Sea (East Antarctica) |
title_full_unstemmed |
Demersal ichthyofaunal shelf communities from the Dumont d’Urville Sea (East Antarctica) |
title_sort |
demersal ichthyofaunal shelf communities from the dumont d’urville sea (east antarctica) |
publisher |
Elsevier |
publishDate |
2011 |
url |
https://researchonline.jcu.edu.au/17772/1/17772_Causse_et_al_2011.pdf |
long_lat |
ENVELOPE(140.000,140.000,-66.667,-66.667) |
geographic |
Dumont d’Urville East Antarctica |
geographic_facet |
Dumont d’Urville East Antarctica |
genre |
Antarc* Antarctica aurora australis D’Urville Sea East Antarctica Polar Science Polar Science |
genre_facet |
Antarc* Antarctica aurora australis D’Urville Sea East Antarctica Polar Science Polar Science |
op_relation |
http://dx.doi.org/10.1016/j.polar.2011.03.004 https://researchonline.jcu.edu.au/17772/ https://researchonline.jcu.edu.au/17772/1/17772_Causse_et_al_2011.pdf Causse, Romain, Ozouf-Costaz, Catherine, Koubbi, Philippe, Lamy, Dominique, Eléaume, Marc, Dettaï, Agnès, Duhamel, Guy, Busson, Frédéric, Pruvost, Patrice, Post, Alexandra, Beaman, Robin J., and Riddle, Martin J. (2011) Demersal ichthyofaunal shelf communities from the Dumont d’Urville Sea (East Antarctica). Polar Science, 5 (2). pp. 272-285. |
op_rights |
openpub |
op_doi |
https://doi.org/10.1016/j.polar.2011.03.004 |
container_title |
Polar Science |
container_volume |
5 |
container_issue |
2 |
container_start_page |
272 |
op_container_end_page |
285 |
_version_ |
1790606838234873856 |