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Replicability of an epibenthic sampler

Published online by Cambridge University Press:  11 May 2009

T. Brattegard  and
J. H. Fosså
T. Brattegard
Affiliation:
Department of Fisheries and Marine Biology, University of Bergen, Thormöhlens gt. 55, N–5008 Bergen, Norway
J. H. Fosså
Affiliation:
Department of Fisheries and Marine Biology, University of Bergen, Thormöhlens gt. 55, N–5008 Bergen, Norway
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Extract

Hyperbenthos was sampled at six stations on the western slope of the Norwegian Trough. Four hauls, two day and two night replicates were taken at each station. The replicates were analyzed based on all sampled individuals of Mysidacea and Decapoda Natantia using Shannon diversity index, Spearman rank correlation, G-test, Bray-Curtis similarity index and Correspondence Analysis. The sampler provided samples of mysids and shrimps with an acceptable level of replicability based on number of individuals and diversity. In a cost-efficient context it is satisfactory to take only one sample at a station.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 71 , Issue 1 , February 1991 , pp. 153 - 166
Copyright
Copyright © Marine Biological Association of the United Kingdom 1991

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