NDLI: Quantitative analysis of soft-bottom polychaetes of the Bellingshausen Sea and Gerlache Strait (Antarctica)

Content Provider	Springer Nature Link
Author	Parapar, J. López, E. Gambi, M. C. Núñez, J. Ramos, A.
Copyright Year	2010
Abstract	The basin off the Bellingshausen Sea, in contrast to other better known areas such as the Antarctic Peninsula and the Ross and Weddell Seas, has been little investigated due to remoteness and the prevalence of ice for most of the year. The present study focuses on an analysis of polychaetes collected from soft bottoms of this sea and off the west coast of the Antarctic Peninsula (Gerlache Strait) by means of a box-corer (25 × 25 cm) in two intensive surveys carried out during austral summers of 2002–2003 and 2005–2006 (BENTART-03 and BENTART-06). Three different polychaete assemblages were determined from the classification and ordination analyses of sampling stations based on the Bray-Curtis similarity index. One group of stations encompassed the deep stations from the shelf of the Bellingshausen Sea, the second one the shallower stations from the same area and the third one those stations located near the coast of Peter I Island and Gerlache Strait, off the Antarctic Peninsula. The environmental variables involved in segregating these groups were several sedimentary features (redox potential, gravel content) and depth. The present study provides further support to previous ones that considered the shelf of the Bellingshausen Sea as a differentiated region within the Southern Ocean, clearly distinct to the adjacent Weddell and Scott Seas and the Antarctic Peninsula.
Starting Page	715
Ending Page	730
Page Count	16
File Format	PDF
ISSN	07224060
Journal	Polar Biology
Volume Number	34
Issue Number	5
e-ISSN	14322056
Language	English
Publisher	Springer-Verlag
Publisher Date	2010-12-02
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Polychaetes Soft bottoms Benthos Box-corer Distribution BENTART cruises Antarctica Microbiology Plant Sciences Oceanography Zoology Ecology
Content Type	Text
Resource Type	Article
Subject	Agricultural and Biological Sciences

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