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dc.contributor.authorRagonese, Sergio-
dc.contributor.authorVitale, Sergio-
dc.contributor.authorDimech, Mark-
dc.contributor.authorMazzola, Salvatore-
dc.identifier.citationRagonese, S., Vitale, S., Dimech, M., & Mazzola, S. (2013). Abundances of demersal sharks and chimaera from 1994-2009 scientific surveys in the central Mediterranean Sea. PloS one, 8(9), 1-20.en_GB
dc.description.abstractBibliographic and data gathered in scientific bottom trawl surveys carried out off the Southern Coasts of Sicily (Mediterranean Sea), from 1994 to 2009 and between a depth of 10 and 800 m, were analysed in order to prepare a checklist of demersal sharks and chimaera, which are species sensitive to fisheries exploitation. Out of the 27 previously reported demersal shark and chimaera taxa in the Mediterranean, only 23 were found in literature and 20 sampled during the surveys in the investigated area. Among the species sampled in the surveys, only 2 ubiquitous (Squalus blainville and Scyliorhinus canicula) and 3 deep-water (Chimaera monstrosa, Centrophorus granulosus and Galeus melastomus) species showed a wide geographical distribution with a consistent abundance. Excluding the rare (such as Oxynotus centrina) or uncommon shark (e.g. Squalus acanthias), the estimated frequencies of occurrence and abundance indexes show a possible risk of local extinction for the almost exclusively (e.g. angelshark, Squatina spp.) or preferential (e.g. Scyliorhinus stellaris) neritic species.en_GB
dc.publisherPublic Library of Scienceen_GB
dc.subjectPopulation aging -- Case studiesen_GB
dc.subjectSea level -- Mediterranean Seaen_GB
dc.subjectSharks -- Mediterranean Seaen_GB
dc.titleAbundances of demersal sharks and chimaera from 1994-2009 scientific surveys in the central Mediterranean seaen_GB
dc.rights.holderThe copyright of this work belongs to the author(s)/publisher. The rights of this work are as defined by the appropriate Copyright Legislation or as modified by any successive legislation. Users may access this work and can make use of the information contained in accordance with the Copyright Legislation provided that the author must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the prior permission of the copyright holderen_GB
dc.publication.titlePloS oneen_GB
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