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Journal du Conseil 1987 43(3):189-193; doi:10.1093/icesjms/43.3.189
© 1987 by ICES/CIEM International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer
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The selectivity of slackly hung cod gillnets constructed from three different types of twine

Peter A. M. Stewart

DAFS Marine Laboratory P.O. Box 101, Victoria Road, Aberdeen AB98DB, Scotland

A comparative fishing experiment was conducted to investigate the capture efficiency and selectivity of slackly hung cod gillnets constructed from different types of twine: monofilament, multi-monofilament, and twisted multifilament nylon. The length, method of retention (gilled, tangled, or snagged), and position in the net of each fish caught were recorded. The proportions of the catches by each method of retention differed between net types; e.g., most of the fish in the monofilament nets were gilled and most of the fish in the multifilament nets were tangled. There were significant differences between the mean lengths of the fish taken by the different methods of retention, but not between net types for each method of retention.


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