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The response of decapod and mysid crustaceans to artificially lighted trawls

Published online by Cambridge University Press:  11 May 2009

P. M. Hargreaves
Affiliation:
Institute of Oceanographic Sciences Deacon Laboratory, Godalming, Surrey, GU8 5UB
P. J. Herring
Affiliation:
Institute of Oceanographic Sciences Deacon Laboratory, Godalming, Surrey, GU8 5UB

Extract

A sampling series was undertaken with an opening/closing mid water trawl to assess the responses of midwater crustaceans to illumination and to compare these with previous reports resulting from the use of an open net. An electric light fitted on an RMT8 midwater trawl was switched on for alternate hauls of a series of 31 tows at a depth of 800 ± 25 m at 20°30'N 19°40'W. Turning the light on had no significant effect on the numbers or sizes of the numerically dominant species in the catches.

Type
Research Article
Copyright
Copyright © Marine Biological Association of the United Kingdom 1992

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