Diversity and community structure of harpacticoid copepods associated with cold-water coral substrates in the Porcupine Seabight (North-East Atlantic)
International audience The influence of microhabitat type on the diversity and community structure of the harpacticoid copepod fauna associated with a cold-water coral degradation zone was investigated in the Porcupine Seabight (North-East Atlantic). Three substrate types were distinguished: dead fr...
Published in: | Helgoland Marine Research |
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ftccsdartic:oai:HAL:hal-00535200v1 2023-05-15T17:38:16+02:00 Diversity and community structure of harpacticoid copepods associated with cold-water coral substrates in the Porcupine Seabight (North-East Atlantic) Gheerardyn, Hendrik Troch, Marleen Vincx, Magda Vanreusel, Ann Marine Biology Department Universiteit Gent = Ghent University Belgium (UGENT) 2009-08-01 https://hal.archives-ouvertes.fr/hal-00535200 https://hal.archives-ouvertes.fr/hal-00535200/document https://hal.archives-ouvertes.fr/hal-00535200/file/PEER_stage2_10.1007%252Fs10152-009-0166-7.pdf https://doi.org/10.1007/s10152-009-0166-7 en eng HAL CCSD Springer Verlag info:eu-repo/semantics/altIdentifier/doi/10.1007/s10152-009-0166-7 hal-00535200 https://hal.archives-ouvertes.fr/hal-00535200 https://hal.archives-ouvertes.fr/hal-00535200/document https://hal.archives-ouvertes.fr/hal-00535200/file/PEER_stage2_10.1007%252Fs10152-009-0166-7.pdf doi:10.1007/s10152-009-0166-7 info:eu-repo/semantics/OpenAccess ISSN: 1438-387X EISSN: 1438-3888 Helgoland Marine Research https://hal.archives-ouvertes.fr/hal-00535200 Helgoland Marine Research, Springer Verlag, 2009, 64 (1), pp.53-62. ⟨10.1007/s10152-009-0166-7⟩ Cold-water corals Biodiversity Microhabitats Harpacticoid copepods North-East Atlantic Porcupine Seabight info:eu-repo/semantics/article Journal articles 2009 ftccsdartic https://doi.org/10.1007/s10152-009-0166-7 2021-11-07T04:43:07Z International audience The influence of microhabitat type on the diversity and community structure of the harpacticoid copepod fauna associated with a cold-water coral degradation zone was investigated in the Porcupine Seabight (North-East Atlantic). Three substrate types were distinguished: dead fragments of the cold-water coral , skeletons of the glass sponge and the underlying sediment. At the family level, it appears that coral fragments and underlying sediment do not harbour distinctly different assemblages, with Ectinosomatidae, Ameiridae, Pseudotachidiidae, Argestidae and Miraciidae as most abundant. Conclusions on assemblage structure and diversity of the sponge skeletons are limited as only two samples were available. Similarity analysis at species level showed a strong variation in the sediment samples, which did not harbour a distinctly different assemblage in opposition to the coral and sponge samples. Several factors (sediment infill on the hard substrates, mobility of the copepods, limited sample sizes) are proposed to explain this apparent lack of a distinct difference between the microhabitats. Coral fragments and sediment were both characterised by high species diversity and low species dominance, which might indicate that copepod diversity is not substantially influenced by hydrodynamical stress. The additive partitioning of species diversity showed that by adding locations species richness was greatly enhanced. The harpacticoid community in the cold-water coral degradation zone is highly diverse and includes 157 species, 62 genera and 19 families. Information from neighbouring soft-bottom regions is necessary to assess whether total species diversity is increased by the presence of these complex habitat-providing substrates. Article in Journal/Newspaper North East Atlantic Copepods Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) Porcupine Seabight ENVELOPE(-13.000,-13.000,50.500,50.500) Helgoland Marine Research 64 1 53 62 |
institution |
Open Polar |
collection |
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) |
op_collection_id |
ftccsdartic |
language |
English |
topic |
Cold-water corals Biodiversity Microhabitats Harpacticoid copepods North-East Atlantic Porcupine Seabight |
spellingShingle |
Cold-water corals Biodiversity Microhabitats Harpacticoid copepods North-East Atlantic Porcupine Seabight Gheerardyn, Hendrik Troch, Marleen Vincx, Magda Vanreusel, Ann Diversity and community structure of harpacticoid copepods associated with cold-water coral substrates in the Porcupine Seabight (North-East Atlantic) |
topic_facet |
Cold-water corals Biodiversity Microhabitats Harpacticoid copepods North-East Atlantic Porcupine Seabight |
description |
International audience The influence of microhabitat type on the diversity and community structure of the harpacticoid copepod fauna associated with a cold-water coral degradation zone was investigated in the Porcupine Seabight (North-East Atlantic). Three substrate types were distinguished: dead fragments of the cold-water coral , skeletons of the glass sponge and the underlying sediment. At the family level, it appears that coral fragments and underlying sediment do not harbour distinctly different assemblages, with Ectinosomatidae, Ameiridae, Pseudotachidiidae, Argestidae and Miraciidae as most abundant. Conclusions on assemblage structure and diversity of the sponge skeletons are limited as only two samples were available. Similarity analysis at species level showed a strong variation in the sediment samples, which did not harbour a distinctly different assemblage in opposition to the coral and sponge samples. Several factors (sediment infill on the hard substrates, mobility of the copepods, limited sample sizes) are proposed to explain this apparent lack of a distinct difference between the microhabitats. Coral fragments and sediment were both characterised by high species diversity and low species dominance, which might indicate that copepod diversity is not substantially influenced by hydrodynamical stress. The additive partitioning of species diversity showed that by adding locations species richness was greatly enhanced. The harpacticoid community in the cold-water coral degradation zone is highly diverse and includes 157 species, 62 genera and 19 families. Information from neighbouring soft-bottom regions is necessary to assess whether total species diversity is increased by the presence of these complex habitat-providing substrates. |
author2 |
Marine Biology Department Universiteit Gent = Ghent University Belgium (UGENT) |
format |
Article in Journal/Newspaper |
author |
Gheerardyn, Hendrik Troch, Marleen Vincx, Magda Vanreusel, Ann |
author_facet |
Gheerardyn, Hendrik Troch, Marleen Vincx, Magda Vanreusel, Ann |
author_sort |
Gheerardyn, Hendrik |
title |
Diversity and community structure of harpacticoid copepods associated with cold-water coral substrates in the Porcupine Seabight (North-East Atlantic) |
title_short |
Diversity and community structure of harpacticoid copepods associated with cold-water coral substrates in the Porcupine Seabight (North-East Atlantic) |
title_full |
Diversity and community structure of harpacticoid copepods associated with cold-water coral substrates in the Porcupine Seabight (North-East Atlantic) |
title_fullStr |
Diversity and community structure of harpacticoid copepods associated with cold-water coral substrates in the Porcupine Seabight (North-East Atlantic) |
title_full_unstemmed |
Diversity and community structure of harpacticoid copepods associated with cold-water coral substrates in the Porcupine Seabight (North-East Atlantic) |
title_sort |
diversity and community structure of harpacticoid copepods associated with cold-water coral substrates in the porcupine seabight (north-east atlantic) |
publisher |
HAL CCSD |
publishDate |
2009 |
url |
https://hal.archives-ouvertes.fr/hal-00535200 https://hal.archives-ouvertes.fr/hal-00535200/document https://hal.archives-ouvertes.fr/hal-00535200/file/PEER_stage2_10.1007%252Fs10152-009-0166-7.pdf https://doi.org/10.1007/s10152-009-0166-7 |
long_lat |
ENVELOPE(-13.000,-13.000,50.500,50.500) |
geographic |
Porcupine Seabight |
geographic_facet |
Porcupine Seabight |
genre |
North East Atlantic Copepods |
genre_facet |
North East Atlantic Copepods |
op_source |
ISSN: 1438-387X EISSN: 1438-3888 Helgoland Marine Research https://hal.archives-ouvertes.fr/hal-00535200 Helgoland Marine Research, Springer Verlag, 2009, 64 (1), pp.53-62. ⟨10.1007/s10152-009-0166-7⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1007/s10152-009-0166-7 hal-00535200 https://hal.archives-ouvertes.fr/hal-00535200 https://hal.archives-ouvertes.fr/hal-00535200/document https://hal.archives-ouvertes.fr/hal-00535200/file/PEER_stage2_10.1007%252Fs10152-009-0166-7.pdf doi:10.1007/s10152-009-0166-7 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1007/s10152-009-0166-7 |
container_title |
Helgoland Marine Research |
container_volume |
64 |
container_issue |
1 |
container_start_page |
53 |
op_container_end_page |
62 |
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1766138656861454336 |