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NameZEPPILLI D., DANOVARO R., (2009). Meiofaunal diversity and assemblage structure in a shallow-water hydrothermal vent in the Pacific Ocean Aquatic Biology 5: 75-84
AuthorsZEPPILLI D., DANOVARO R.,
Year2009
TitleMeiofaunal diversity and assemblage structure in a shallow-water hydrothermal vent in the Pacific Ocean
JournalAquatic Biology 5: 75-84
Type Publication
NoteNeMys doc_id: 18000
Full textAvailable for editors  PDF available
AbstractDespite their ubiquitous distribution in tectonically active coastal zones, shallow-water vents have been much less explored than deep-sea vents in terms of biodiversity and adaptations to extreme conditions. We investigated the meiofaunal biodiversity and environmental variables at distances of 10, 100 and 200 cm from a shallow-water hydrothermal vent in the equatorial Pacific (Sulawesi, Indonesia). Meiofaunal abundance and the richness of higher taxa increased from the site of fluid-vent emission (where temperatures of the fluids and sediments reached approximately 90°C) to the control sediments (200 cm from the vent, with no sign of effects from the vent fluids). Nematode species richness was also high in the intermediate station, where bottom sediment temperature reached 55°C. These data suggest that some nematode species were able to survive in conditions typically hostile to metazoan life. Gas emissions also influenced the biochemical composition of the sediment organic matter in proximity to the vent and favoured the growth of a large photo- and/or chemo-autotrophic prokaryotic biomass. This biomass represented a potentially important food source for predator/omnivore nematodes and influenced the trophic structure of benthic assemblages. Since the metazoan species found in proximity to the vent were a subset of those inhabiting control sediments, but were characterised by lower abundances, it might be hypothesized that the populations close to the vent are the result of colonization from adjacent areas.
Taxa
(21)
Unreviewed: has not been verified by a taxonomic editorAcantholaimus Allgén, 1933 (additional source)
Unreviewed: has not been verified by a taxonomic editorActinonema Cobb, 1920 (additional source)
Unreviewed: has not been verified by a taxonomic editorDaptonema Cobb, 1920 (additional source)
Unreviewed: has not been verified by a taxonomic editorDesmodora de Man, 1889 (additional source)
Unreviewed: has not been verified by a taxonomic editorDichromadora Kreis, 1929 (additional source)
Unreviewed: has not been verified by a taxonomic editorLeptolaimus de Man, 1876 (additional source)
Checked: verified by a taxonomic editorMetadesmolaimus Schuurmans Stekhoven, 1935 (additional source)
Unreviewed: has not been verified by a taxonomic editorMetalinhomoeus de Man, 1907 (additional source)
Unreviewed: has not been verified by a taxonomic editorMolgolaimus Ditlevsen, 1921 (additional source)
Unreviewed: has not been verified by a taxonomic editorMonhystera Bastian, 1865 (additional source)
Unreviewed: has not been verified by a taxonomic editorOncholaimus Dujardin, 1845 (additional source)
Unreviewed: has not been verified by a taxonomic editorParacanthonchus Micoletzky, 1924 (additional source)
Unreviewed: has not been verified by a taxonomic editorParacyatholaimus Micoletzky, 1922 (additional source)
Unreviewed: has not been verified by a taxonomic editorPomponema Cobb, 1917 (additional source)
Unreviewed: has not been verified by a taxonomic editorPraeacanthonchus Micoletzky, 1924 (additional source)
Unreviewed: has not been verified by a taxonomic editorProchromadorella Micoletzky, 1924 (additional source)
Unreviewed: has not been verified by a taxonomic editorTerschellingia de Man, 1888 (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)
Checked: verified by a taxonomic editorViscosia glabra (Bastian, 1865) de Man, 1890 (additional source)
Unreviewed: has not been verified by a taxonomic editorWieseria Gerlach, 1956 (additional source)
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2014-06-18 16:05:08Z  created  Vanaverbeke, Jan
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