Nematode community structure along a Mediterranean shelf-slope gradient

K.E.R. Soetaert, M. Vincx, C.H.R. Heip

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    Nematode assemblages along a Mediterranean depth transect (160- 1220 m) and vertically in the sediment were investigated. The station at the edge of the continental shelf (160 m) was distinctly different from those situated on the continental slope (280-1220 m). On the slope, nematode communities in the upper centimetre differed significantly from communities in the deeper sediment layers, which were dominated by fewer and larger species. Vertical segregation could be a factor explaining the coexistence of several species belonging to the genus Sabatieria, with larger species penetrating deeper into the sediment. Clear differences in buccal morphology suggest food resource partitioning as the dominant factor promoting coexistence of several species belonging to the other dominant genus, Acantholaimus. [KEYWORDS: meiofauna; nematodes; deep-sea;Mediterranean Deep-sea transect; marine nematodes; calvi corsica; species-diversity; north-carolina; norwegian sea; assemblages; meiobenthos; size; desmoscolecidae]
    Originele taal-2Engels
    Pagina's (van-tot)189-206
    TijdschriftMarine Ecology
    Volume16
    Nummer van het tijdschrift3
    DOI's
    StatusGepubliceerd - 1995

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