Journal Article

Further analysis of the effect of bioturbation by <i>Nephrops norvegicus</i> (L.) on the acoustic return of the RoxAnn™ seabed discrimination system

Eunice H. Pinn and M. R. Robertson

in ICES Journal of Marine Science

Published on behalf of ICES/CIEM

Volume 58, issue 1, pages 216-219
Published in print January 2001 | ISSN: 1054-3139
Published online January 2001 | e-ISSN: 1095-9289 | DOI: http://dx.doi.org/10.1006/jmsc.2000.1003
Further analysis of the effect of bioturbation by Nephrops norvegicus (L.) on the acoustic return of the RoxAnn™ seabed discrimination system

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An investigation into the effect of Nephrops norvegicus bioturbation on the acoustic indices of RoxAnn™ was carried out over three commercial fishing grounds; the Firth of Forth, Moray Firth and the North Minch. The results obtained in the present study suggest that the relationship between burrow density and the acoustic output of RoxAnn™ is significantly more complicated than was previously reported. The differences in the findings in the present study and those previously reported are discussed.

Keywords: RoxAnn™; mapping; acoustic survey; Nephrops; shellfish stock assessment; bioturbation

Journal Article.  0 words. 

Subjects: Environmental Science ; Marine and Estuarine Biology

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