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The benthos and fish of offshore sandbank habitats in the southern North Sea

Published online by Cambridge University Press:  14 July 2010

J.R. Ellis ,
T. Maxwell ,
M. Schratzberger  and
S.I. Rogers
J.R. Ellis*
Affiliation:
Centre for Environment, Fisheries and Aquaculture Science (Cefas), Pakefield Road, Lowestoft, Suffolk, NR33 0HT, UK
T. Maxwell
Affiliation:
Centre for Environment, Fisheries and Aquaculture Science (Cefas), Pakefield Road, Lowestoft, Suffolk, NR33 0HT, UK
M. Schratzberger
Affiliation:
Centre for Environment, Fisheries and Aquaculture Science (Cefas), Pakefield Road, Lowestoft, Suffolk, NR33 0HT, UK
S.I. Rogers
Affiliation:
Centre for Environment, Fisheries and Aquaculture Science (Cefas), Pakefield Road, Lowestoft, Suffolk, NR33 0HT, UK
*
Correspondence should be addressed to: J.R. Ellis, Centre for Environment, Fisheries and Aquaculture Science (Cefas), Pakefield Road, Lowestoft, Suffolk, NR33 0HT, UK email: jim.ellis@cefas.co.uk
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Abstract

Meiofauna, macro-infauna and epifauna were sampled at two offshore sandbanks in the southern North Sea in 2006. The epifaunal and infaunal communities in the dynamic environment of the sandbank crests were species poor, with lesser weever, solenette, Crangon crangon, amphipods and deposit-feeding polychaetes the predominant benthic taxa. Abundant early life-history stages (24–39 mm) of the lesser weever Echiichthys vipera on the sandbank crests indicated that these habitats may be important nursery grounds for this species. Species diversity of infauna and epifauna was greater in the deeper waters parallel to the sandbanks. Contrasting patterns were evident for meiofaunal nematodes, where communities collected on the sandbank crests were more diverse than those recorded in the deeper off-bank sites. The fauna of sandbank crests is composed of a restricted range of the fauna typically associated with sandy habitats, particularly taxa adapted to live in this dynamic environment.

Keywords

nematodesinfaunaepifaunademersal fishTrachinidaenursery groundbeam trawlSwarte BankBroken BankNorfolkNorth Sea
Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 91 , Special Issue 6: Fish Ecology , September 2011 , pp. 1319 - 1335
Copyright
Copyright © Marine Biological Association of the United Kingdom 2010

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