Nematode communities associated with tubeworm and mussel aggregations on the East Pacific Rise

Type Article
Date 2006-12
Language English
Author(s) Zekely J1, Gollner S1, Van Dover C2, Govenar B3, Le Bris Nadine4, Nemeschkal H5, Bright M1
Affiliation(s) 1 : Univ Vienna, Dept Marine Biol, A-1090 Vienna, Austria.
2 : Coll William & Mary, Dept Biol, Williamsburg, VA 23187 USA.
3 : Woods Hole Oceanog Inst, Dept Biol, Woods Hole, MA 02543 USA.
4 : IFREMER, Ctr Brest, Dept Etude Ecosyst Profonds, F-29280 Plouzane, France.
5 : Univ Vienna, Dept Theoret Biol, A-1090 Vienna, Austria.
Source Cahiers de Biologie Marine (0007-9723) (Station Biologique de Roscoff), 2006-12 , Vol. 47 , N. 4 , P. 477-482
WOS© Times Cited 26
Keyword(s) East Pacific Rise, Bathymodiolus thermophilus, Riftia pachyptila, Nematodes, Meiobenthos, Hydrothermal vent
Abstract The meiobenthic nematode community of three different vent sites at the East Pacific Rise was studied in order to determine whether the abundance, species richness, diversity and trophic structure were similar. The sites Tica and Riftia Field were dominated by the tubeworm, Riftia pachyptila, and the Buckfield site was dominated by the mussel Bathymodiolus thermophilus. The nematode communities of all three sites were low in abundance (< 1 up to 46 ind. 10 cm(-2)), except one sample from Tica with almost 1000 ind. 10 cm(-2). The communities at all sites consisted entirely of primary consumers, mostly deposit feeders. Species richness and Shannon-Wiener diversity indices were low and similar at both tubeworm sites and slightly but significantly higher at the mussel site. Multivariate analysis revealed that the species dissimilarity among the three sites was greater than 50%, indicating distinct communities at each site.
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Zekely J, Gollner S, Van Dover C, Govenar B, Le Bris Nadine, Nemeschkal H, Bright M (2006). Nematode communities associated with tubeworm and mussel aggregations on the East Pacific Rise. Cahiers de Biologie Marine, 47(4), 477-482. Open Access version :