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NameZEKELY J., VAN DOVER C.L., NEMESCHKAL H.L., BRIGHT M. (2006). Hydrothermal vent meiobenthos associated with mytilid mussel aggegations from the Mid-Atlantic Ridge and the East Pacific Rise Deep-Sea Research I 53: 1363-1378
AuthorsZEKELY J., VAN DOVER C.L., NEMESCHKAL H.L., BRIGHT M.
Year2006
TitleHydrothermal vent meiobenthos associated with mytilid mussel aggegations from the Mid-Atlantic Ridge and the East Pacific Rise
JournalDeep-Sea Research I 53: 1363-1378
Type Publication
NoteNeMys doc_id: 18008
Full textAvailable for editors  PDF available
AbstractDeep-sea hydrothermal vents occur along the mid-ocean ridges and back-arc basins around the globe. There are very few community analyses of vent meiobenthos. The central objectives of this study were to identify and quantify for the first time the entire metazoan meiobenthic community associated with mussel aggregations of Bathymodiolus thermophilus Kenk and Wilson, 1985 from the EPR, 111N and of Bathymodiolus puteoserpentis Cosel et al., 1994 from the Mid-Atlantic Ridge (MAR), 231N. Using a quantitative sampling method, abundance, biomass, sex ratio, species richness, diversity, evenness, and trophic structure were studied based on three samples from each site. Meiobenthic abundance in each sample was unexpectedly low, but similar between sites. The community was composed of nematodes, copepods, ostracods, and mites, with a total of 24 species at EPR vents, and 15 species at MAR vents. While most copepod species were vent endemics within the family Dirivultidae, nematodes and harpacticoid copepods belonged to generalist genera, which occur at a variety of habitats and are not restricted to hydrothermal vents or the deep sea. The meiobenthos of hydrothermalvent mussel beds constitutes a unique community unlike those of other sulfidic habitats, including the thiobios of shallowwater sediments and the meiobenthos of deep-sea, cold-seep sediments. The trophic structure was dominated by primary consumers, mainly deposit feeders, followed by parasites. Predatory meiofaunal species were absent.
Taxa
(9)
Unreviewed: has not been verified by a taxonomic editorAnticoma Bastian, 1865 (additional source)
Unreviewed: has not been verified by a taxonomic editorAraeolaimus de Man, 1888 (additional source)
Unreviewed: has not been verified by a taxonomic editorChromadorita Filipjev, 1922 (additional source)
Unreviewed: has not been verified by a taxonomic editorDiplopeltula Gerlach, 1950 (additional source)
Unreviewed: has not been verified by a taxonomic editorLeptolaimus de Man, 1876 (additional source)
Unreviewed: has not been verified by a taxonomic editorParacanthonchus Micoletzky, 1924 (additional source)
Unreviewed: has not been verified by a taxonomic editorParalinhomoeus de Man, 1907 (additional source)
Unreviewed: has not been verified by a taxonomic editorThalassomonhystera Jacobs, 1987 (additional source)
Unreviewed: has not been verified by a taxonomic editorTheristus Bastian, 1865 (additional source)
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2014-06-18 16:05:08Z  created  Vanaverbeke, Jan
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