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Observations of the ophiuroids from the West Antarctic sector of the Southern Ocean

Part of: Antarctic Science International Bursary collection: Biosciences

Published online by Cambridge University Press:  09 August 2012

Chester J. Sands ,
Huw J. Griffiths ,
Rachel V. Downey ,
David K.A. Barnes ,
Katrin Linse  and
Rafael Martín-Ledo
Chester J. Sands*
Affiliation:
British Antarctic Survey, NERC, High Cross, Madingley Road, Cambridge CB3 0ET, UK
Huw J. Griffiths
Affiliation:
British Antarctic Survey, NERC, High Cross, Madingley Road, Cambridge CB3 0ET, UK
Rachel V. Downey
Affiliation:
British Antarctic Survey, NERC, High Cross, Madingley Road, Cambridge CB3 0ET, UK
David K.A. Barnes
Affiliation:
British Antarctic Survey, NERC, High Cross, Madingley Road, Cambridge CB3 0ET, UK
Katrin Linse
Affiliation:
British Antarctic Survey, NERC, High Cross, Madingley Road, Cambridge CB3 0ET, UK
Rafael Martín-Ledo
Affiliation:
Area de Zoología, Facultad de Ciencias, Universidad de Extremadura, 06006 Badajoz, Spain
*
cjsan@bas.ac.uk
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Abstract

Ophiuroids are a conspicuous and often dominant component of the Antarctic continental shelf benthos. Here we report on the ophiuroids collected from the Burdwood Bank, off the Patagonian Shelf, through the shallow water areas of the Scotia Arc, down the west Antarctic Peninsula and as far south as Pine Island Bay in the eastern Amundsen Sea. This preliminary and primarily pattern based study identifies some regional differences in assemblages and highlights the role of the Antarctic Circumpolar Current as a barrier, as well as a facilitator, to dispersal. In order to effectively compare between studies we highlight the need for accurate, expert taxonomic identification of specimens.

Keywords

Amundsen SeaAntarctic Circumpolar CurrentBellingshausen Seabenthosbrittle starScotia Sea
Type
Biological Sciences
Information
Antarctic Science , Volume 25 , Issue 1 , February 2013 , pp. 3 - 10
Copyright
Copyright © Antarctic Science Ltd 2012

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