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ICES Journal of Marine Science: Journal du Conseil Advance Access originally published online on July 21, 2007
ICES Journal of Marine Science: Journal du Conseil 2007 64(6):1116-1123; doi:10.1093/icesjms/fsm082
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© 2007 International Council for the Exploration of the Sea. Published by Oxford Journals. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

Underwater television as a fishery-independent method for stock assessment of Norway lobster (Nephrops norvegicus) in the central Adriatic Sea (Italy)

Elisabetta B. Morello1,, Carlo Froglia1 and R. J. A. Atkinson2

1 Istituto di Scienze Marine—CNR, Sede di Ancona, Largo Fiera della Pesca, 60125 Ancona, Italy
2 University Marine Biological Station Millport, Isle of Cumbrae KA28 0EG, UK

Correspondence to E. B. Morello: tel: +39 071 2078869; fax: +39 071 55313; e-mail: b.morello{at}ismar.cnr.it

Morello, E. B., Froglia, C., and Atkinson, R. J. A. 2007. Underwater television as a fishery-independent method for stock assessment of Norway lobster (Nephrops norvegicus) in the central Adriatic Sea (Italy). – ICES Journal of Marine Science, 64: 1116–1123.

Norway lobster is of great commercial importance throughout the NE Atlantic and Mediterranean, where it lives in burrows in muddy sediments. The fact that the species is caught in commercial gear only when it emerges from its burrow and the absence of hard structures available for age determination complicate the application of normal fishery-dependent stock-assessment methodologies. This study provides more evidence of the usefulness of underwater television surveys as a fishery-independent technique to assess the Nephrops stocks of the Adriatic Sea. The results are compared with those of previous studies, and the advantages and disadvantages of using such methodology discussed in an Adriatic context.

Keywords: Adriatic Sea, burrows, fishery-independent assessment, Norway lobster, underwater television

Received 26 June 2006; accepted 11 May 2007; advance access publication 21 July 2007.


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