Journal Article

Managing South Africa's trawl bycatch

Sarah A. Walmsley, Rob W. Leslie and Warwick H. H. Sauer

in ICES Journal of Marine Science

Published on behalf of ICES/CIEM

Volume 64, issue 2, pages 405-412
Published in print March 2007 | ISSN: 1054-3139
Published online November 2006 | e-ISSN: 1095-9289 | DOI:
Managing South Africa's trawl bycatch

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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

Journal Article.  6012 words.  Illustrated.

Subjects: Environmental Science ; Marine and Estuarine Biology

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