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ICES Journal of Marine Science: Journal du Conseil Advance Access originally published online on November 13, 2006
ICES Journal of Marine Science: Journal du Conseil 2007 64(2):405-412; doi:10.1093/icesjms/fsl022
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Published by Oxford University Press 2006 For Permissions, please email: journals.permissions@oxfordjournals.org

Managing South Africa's trawl bycatch

Sarah A. Walmsley1,, Rob W. Leslie2 and Warwick H. H. Sauer1

1 Department of Ichthyology and Fisheries Science, Rhodes University, Grahamstown 6140, South Africa
2 Marine and Coastal Management, Private Bag X2, Rogge Bay 8012, South Africa

Correspondence to S. A. Walmsley: Current address, Cefas Lowestoft Laboratory, Pakefield Road, Lowestoft, Suffolk, NR33 0HT, UK; tel: +44 1502 52 7790; fax: +44 1502 52 6590; e-mail: sarah.walmsley{at}cefas.co.uk

Walmsley, S. A., Leslie, R. W., and Sauer, W. H. H. 2007. Managing South Africa's trawl bycatch. – ICES Journal of Marine Science, 64: 405–412.

Over the past few decades, it has become widely recognized that the management strategies of world fisheries must ensure sustainability of bycatch as well as of target species. South Africa implemented a pilot observer programme from 1995 to 2000 to collect data on the levels and patterns of bycatch and discards in the demersal trawl fishery. Here, the results of that programme are used in conjunction with information on bycatch value and compliance to assess the issues and problems regarding bycatch and discarding in the fishery. In general, bycatch components can be placed into one of three categories (discarded bycatch, retained bycatch, and processing waste), each of which present different management problems and require different management approaches. The results were used to formulate a bycatch management plan for the demersal trawl fishery in South Africa. Given the need to continue monitoring bycatch, the performance of the pilot observer programme is reviewed, and the levels of sampling effort required for a national programme are discussed.

Keywords: bycatch, observer programme, South Africa

Received 21 November 2005; accepted 30 September 2006; advance access publication 13 November 2006.


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