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Demersal assemblages and depth distribution of elasmobranchs from the continental shelf and slope off the Balearic Islands (western Mediterranean)
Massutí, E. (2003). Demersal assemblages and depth distribution of elasmobranchs from the continental shelf and slope off the Balearic Islands (western Mediterranean). ICES J. Mar. Sci./J. Cons. int. Explor. Mer 60(4): 753-766. https://hdl.handle.net/10.1016/s1054-3139(03)00089-4
In: ICES Journal of Marine Science. Academic Press: London. ISSN 1054-3139; e-ISSN 1095-9289, more
Peer reviewed article  

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Keywords
Author keywords
    Balearic Islands; community structure; demersal elasmobranchs; length frequency; trawl surveys

Author  Top | Dataset 
  • Massutí, E.

Abstract
    The analysis of 131 hauls from four bottom trawl fishing surveys carried out between depths of 46 and 1713 m in two different areas off the Balearic Islands yielded a total of 23 elasmobranch species belonging to eight families. Cluster analysis and multidimensional scaling (MDS) ordination were applied to detect zonation patterns and some ecological parameters (e.g. species richness, abundance and biomass, mean weight, diversity and evenness) were calculated for each assemblage. For each area, analysis of similitude (ANOSIM) and similarity percentage analysis (SIMPER) were also applied to detect differences between seasons and depths. For the most important species ( Galeus melastomus , Scyliorhinus canicula , Centroscymnus coelolepis , Etmopterus spinax , Squalus blainvillei , Raja naevus , Raja asterias , Raja clavata , Raja miraletus and Raja oxyrhinchus ), abundance and size distributions were analysed by depth.

Dataset
  • MEDITS-Spain: Demersal and mega-benthic species from the MEDITS (Mediterranean International Trawl Survey) project on the Spanish continental shelf between 1994 and 2009, more

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