Spatio-temporal variations of biomass and abundance in bathyal non-crustacean megafauna in the Catalan Sea (North-western Mediterranean)

Spatio-temporal variations of biomass and abundance in bathyal non-crustacean megafauna in the Catalan Sea (North-western Mediterranean)

13 pages, 5 figures, 2 tables

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Main Authors: Ramírez-Llodra, Eva, Ballesteros Vázquez, Manuel, Company, Joan B., Dantart, Luis, Sardà, Francisco
Format: artículo biblioteca
Language:English
Published: Springer 2008-01
Online Access:http://hdl.handle.net/10261/20062
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spelling dig-icm-es-10261-200622020-11-19T07:06:32Z Spatio-temporal variations of biomass and abundance in bathyal non-crustacean megafauna in the Catalan Sea (North-western Mediterranean) Ramírez-Llodra, Eva Ballesteros Vázquez, Manuel Company, Joan B. Dantart, Luis Sardà, Francisco 13 pages, 5 figures, 2 tables The spatio-temporal variations in diversity, biomass and abundance of bathyal invertebrates (excluding decapod crustaceans, which have been analysed elsewhere)from the North-western Mediterranean margin are described. The upper canyon (~450 m), middle slope (~650 m) and lower slope (~1,200 m) habitats were investigated throughout the year. The first two sites are visited daily by a specialised commercial fisheries’ fleet, while the deeper site has not been impacted by fishing activities. A total of 140 species from 12 phyla were collected from the 3 study areas. Of these, the Mollusca, Echinodermata, Polychaeta and Cnidaria were the most speciose groups. The patterns of species diversity (H') and evenness (E) were similar in time and space. The upper canyon and middle-slope sites were dominated by echinoderms and molluscs, while the lowerslope site was dominated by cnidarians and sponges. Multifactorial ANOVA showed significant spatio-temporal differences in the biomass and/or abundance only in echinoderms, molluscs, cnidarians and polychaetes. The faunal diVerences observed were explained by habitat type, but not by season. The role of submarine canyons and commercial fishing on shaping the diversity and biomass of bathyal Mediterranean invertebrates is discussed. The data presented here is a result of the RETRO project (CICYT MAR90-757 to FS). Peer reviewed 2010-01-14T15:21:11Z 2010-01-14T15:21:11Z 2008-01 artículo http://purl.org/coar/resource_type/c_6501 Marine Biology 153(3): 297–309 (2008) 0025-3162 http://hdl.handle.net/10261/20062 10.1007/s00227-007-0805-y 1432-1793 en https://doi.org/10.1007/s00227-007-0805-y none 22195 bytes application/pdf Springer
institution ICM ES
collection DSpace
country España
countrycode ES
component Bibliográfico
access En linea
databasecode dig-icm-es
tag biblioteca
region Europa del Sur
libraryname Biblioteca del ICM España
language English
description 13 pages, 5 figures, 2 tables
format artículo
author Ramírez-Llodra, Eva
Ballesteros Vázquez, Manuel
Company, Joan B.
Dantart, Luis
Sardà, Francisco
spellingShingle Ramírez-Llodra, Eva
Ballesteros Vázquez, Manuel
Company, Joan B.
Dantart, Luis
Sardà, Francisco
Spatio-temporal variations of biomass and abundance in bathyal non-crustacean megafauna in the Catalan Sea (North-western Mediterranean)
author_facet Ramírez-Llodra, Eva
Ballesteros Vázquez, Manuel
Company, Joan B.
Dantart, Luis
Sardà, Francisco
author_sort Ramírez-Llodra, Eva
title Spatio-temporal variations of biomass and abundance in bathyal non-crustacean megafauna in the Catalan Sea (North-western Mediterranean)
title_short Spatio-temporal variations of biomass and abundance in bathyal non-crustacean megafauna in the Catalan Sea (North-western Mediterranean)
title_full Spatio-temporal variations of biomass and abundance in bathyal non-crustacean megafauna in the Catalan Sea (North-western Mediterranean)
title_fullStr Spatio-temporal variations of biomass and abundance in bathyal non-crustacean megafauna in the Catalan Sea (North-western Mediterranean)
title_full_unstemmed Spatio-temporal variations of biomass and abundance in bathyal non-crustacean megafauna in the Catalan Sea (North-western Mediterranean)
title_sort spatio-temporal variations of biomass and abundance in bathyal non-crustacean megafauna in the catalan sea (north-western mediterranean)
publisher Springer
publishDate 2008-01
url http://hdl.handle.net/10261/20062
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AT ballesterosvazquezmanuel spatiotemporalvariationsofbiomassandabundanceinbathyalnoncrustaceanmegafaunainthecatalanseanorthwesternmediterranean
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