Distribution Of Sublittoral Macrofauna Communities In Bristol Channel In Relation To Substrate

Warwick, RM; Davies, JR. 1977 Distribution Of Sublittoral Macrofauna Communities In Bristol Channel In Relation To Substrate. Estuarine and Coastal Marine Science, 5 (2). 267 - 288. 10.1016/0302-3524(77)90022-6

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Official URL: http://dx.doi.org/10.1016/0302-3524(77)90022-6

Abstract/Summary

Grab and dredge samples have been collected on a grid of 155 sublittoral stations in the Bristol Channel. The faunal data have been analysed using a hierarchical sorting technique to cluster stations with similar species compositions. At a similarity level of 18%, groups of stations with a species composition similar to the classical Petersen communities were defined. Three of Petersen's communities were recognized in the outer part of the Channel, the Venus, Abra and Modiolus communities. The fauna of the inner part of the Channel is reduced and does not correspond with any previously recognized community type. Possible causes for this faunal reduction are discussed. The substrate distribution and the macrofaunal community distribution are mapped. Side-scan sonograms are shown to be a useful adjunct to the interpretation of faunal distributions.

Item Type: Publication - Article
Subjects: Ecology and Environment
Marine Sciences
Divisions: Plymouth Marine Laboratory > Other (PML)
Depositing User: EPServices Admin
Date made live: 11 Feb 2014 15:54
Last Modified: 06 Jun 2017 16:03
URI: http://plymsea.ac.uk/id/eprint/2840

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