Epibenthic communities of sedimentary habitats in a NE Atlantic deep seamount (Galicia Bank)
Special issue Changing Ecosystems in the Bay of Biscay: Natural and Anthropogenic Effects.-- 12 pages, 7 figures, 4 tables, 1 annex
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Royal Netherlands Institute for Sea Research
2017-12
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| Subjects: | Seamount, Vulnerable habitats, Marine protected areas, Benthic communities, Deep sea, |
| Online Access: | http://hdl.handle.net/10261/161734 http://dx.doi.org/10.13039/501100000780 |
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dig-icm-es-10261-1617342022-09-12T10:40:14Z Epibenthic communities of sedimentary habitats in a NE Atlantic deep seamount (Galicia Bank) Serrano, Alberto Cartes, Joan Enric Papiol, Vanesa Punzón, Antonio García-Alegre, Ana Arronte, Juan Carlos Ríos, Pilar Lourido, Antía Frutos, I. Blanco, Marian European Commission Seamount Vulnerable habitats Marine protected areas Benthic communities Deep sea Special issue Changing Ecosystems in the Bay of Biscay: Natural and Anthropogenic Effects.-- 12 pages, 7 figures, 4 tables, 1 annex Galicia Bank is a deep seamount included as Site of Community Importance (SCI) in the Spanish Natura 2000 Network proposal. In the present study, epibenthic assemblages of sedimentary habitats have been described, together with the main environmental factor explaining species and communities distribution. Five epibenthic assemblages have been identified. Depth was the main factor explaining assemblage distribution, and the role of sediment type, water masses, and coral framework presence is also discussed. Three assemblages are located in the summit: the shallowest one (730–770 m), in the boundary between Eastern North Atlantic Central Water (ENACW) and Mediterranean Overflow Water (MOW) water masses is typified by ophiuroids and characterized by medium sands. The second assemblage (770–800 m) typified by the bivalve Limopsis minuta and the solitary coral Flabellum chunii correspond with medium sands and MOW core; and the third typified by the presence of cold-water coral communities dominated by Lophelia pertusa and Madrepora oculata, also on the MOW influence. In the border of the summit, in the bank break, an assemblage located in the range 1000–1200 m is dominated by the urchin Cidaris cidaris and the sponge Thenea muricata. In the flat flanks around the bank, the deepest assemblage (1400–1800 m) is dominated by the holothurian Benthogone rosea, in a depth range dominated by the Labrador water (LSW) and in fine sands with highest contents of organic matter. Most of species appeared in a depth range smaller than 25% of total depth range sampled and in < 10% of samples. Differential preference of species is evident in the different trophic guilds, with a higher dominance of filter-feeders in the summit and of deposit-feeders in the deepest assemblage, and have clear links with nutrient dynamics in the bank This study was financed by the EC contract INDEMARES-LIFE (07/NAT/E/000732) Peer Reviewed 2018-03-07T07:48:33Z 2018-03-07T07:48:33Z 2017-12 2018-03-07T07:48:34Z artículo http://purl.org/coar/resource_type/c_6501 issn: 1385-1101 Journal of Sea Research 130: 154-165 (2017) http://hdl.handle.net/10261/161734 10.1016/j.seares.2017.03.004 http://dx.doi.org/10.13039/501100000780 https://doi.org/10.1016/j.seares.2017.03.004 Sí none Royal Netherlands Institute for Sea Research |
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biblioteca |
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Biblioteca del ICM España |
| topic |
Seamount Vulnerable habitats Marine protected areas Benthic communities Deep sea Seamount Vulnerable habitats Marine protected areas Benthic communities Deep sea |
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Seamount Vulnerable habitats Marine protected areas Benthic communities Deep sea Seamount Vulnerable habitats Marine protected areas Benthic communities Deep sea Serrano, Alberto Cartes, Joan Enric Papiol, Vanesa Punzón, Antonio García-Alegre, Ana Arronte, Juan Carlos Ríos, Pilar Lourido, Antía Frutos, I. Blanco, Marian Epibenthic communities of sedimentary habitats in a NE Atlantic deep seamount (Galicia Bank) |
| description |
Special issue Changing Ecosystems in the Bay of Biscay: Natural and Anthropogenic Effects.-- 12 pages, 7 figures, 4 tables, 1 annex |
| author2 |
European Commission |
| author_facet |
European Commission Serrano, Alberto Cartes, Joan Enric Papiol, Vanesa Punzón, Antonio García-Alegre, Ana Arronte, Juan Carlos Ríos, Pilar Lourido, Antía Frutos, I. Blanco, Marian |
| format |
artículo |
| topic_facet |
Seamount Vulnerable habitats Marine protected areas Benthic communities Deep sea |
| author |
Serrano, Alberto Cartes, Joan Enric Papiol, Vanesa Punzón, Antonio García-Alegre, Ana Arronte, Juan Carlos Ríos, Pilar Lourido, Antía Frutos, I. Blanco, Marian |
| author_sort |
Serrano, Alberto |
| title |
Epibenthic communities of sedimentary habitats in a NE Atlantic deep seamount (Galicia Bank) |
| title_short |
Epibenthic communities of sedimentary habitats in a NE Atlantic deep seamount (Galicia Bank) |
| title_full |
Epibenthic communities of sedimentary habitats in a NE Atlantic deep seamount (Galicia Bank) |
| title_fullStr |
Epibenthic communities of sedimentary habitats in a NE Atlantic deep seamount (Galicia Bank) |
| title_full_unstemmed |
Epibenthic communities of sedimentary habitats in a NE Atlantic deep seamount (Galicia Bank) |
| title_sort |
epibenthic communities of sedimentary habitats in a ne atlantic deep seamount (galicia bank) |
| publisher |
Royal Netherlands Institute for Sea Research |
| publishDate |
2017-12 |
| url |
http://hdl.handle.net/10261/161734 http://dx.doi.org/10.13039/501100000780 |
| work_keys_str_mv |
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