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

Author:

Morello Elisabetta B.1,Froglia Carlo1,Atkinson R. J. A.2

Affiliation:

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

Abstract

Abstract 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.

Publisher

Oxford University Press (OUP)

Subject

Ecology,Aquatic Science,Ecology, Evolution, Behavior and Systematics,Oceanography

Reference46 articles.

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2. First observations on Nephrops norvegicus (L.) burrow densities on the continental shelf off the Catalan coast (western Mediterranean);Aguzzi;Crustaceana,2004

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4. Primi risultati delle indagini sui fattori biologici, oceanografici e sedimentologici che condizionano la distribuzione degli Scampi (Nephrops norvegicus) in Adriatico;Artegiani;Atti Convegno Scientifico Nazionale P.F. Oceanografica e Fondi Marini,1979

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