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Deep-sea species richness: regional and local diversity estimates from quantitative bottom samples Grassle, J.F.; Maciolek, N.J. (1992). Deep-sea species richness: regional and local diversity estimates from quantitative bottom samples. American Naturalist 139(2): 313-341 In: The American Naturalist. George W. Salt/University of Chicago: Salem, Mass.. ISSN 0003-0147; e-ISSN 1537-5323, meer

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Beschikbaar in	Auteurs
VLIZ: Open access 73933 [ download pdf ]

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Trefwoorden

Aquatic communities > Benthos > Phytobenthos Aquatic communities > Benthos > Zoobenthos Composition > Community composition Species diversity Water > Deep water USA Coasts; USA, East [Marine Regions] Marien/Kust

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Auteurs		Top
Grassle, J.F., meer Maciolek, N.J.

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Abstract

The deep-sea communities of the continental slope and rise off the eastern coast of the United States have a remarkably high diversity - measured regionally or locally either as species richness or as the evenness of relative abundance among species. In a 1,500-2,500-m depth range off New Jersey and Delaware, 233 30 x 30-cm samples contained 798 species in 171 families and 14 phyla. Addition of stations from sites to the north and south approximately doubled the number of samples and doubled the number of species to 1,597. Species-area curves do not level off within stations or when stations are added together. Moreover, the proportion of species represented by single individuals in high at all scales of sampling, which indicates that much more sampling is needed to adequately represent the species richness either locally or regionally. Diversity changes very little through time at a single site or with distance along a 180-km transect at a depth of 2,100 m.

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