Abstract
This first attempt at measuring species diversity of the numerically abundant marine meiobenthos on a vertical gradient into the deep sea supports the stability-time hypothesis developed with the macrofauna. Diversity, as measured by rarefaction, indicated highly evolved, stable and unique assemblages in the deep sea. Shelf samples were consistently dominated by a few species; below 1000 m many of the species were new and few were duplicated from sample to sample. Rarefaction curves are clearly separable for the three environments, with the vertical component of diversity increasing to abyssal depths. Rarefaction analysis of shelf samples above and below the Cape Hatteras zoogeographical boundary further revealed distinct spilits in the faunal assemblages. Faunal affinity analyses indicate that the deep-sea fauna is not homogenously distributed over wide expanses of the ocean floor and are contrary to previously reported macrofaunal findings.
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Ship-time support through Duke University Cooperative Program in Biological Oceanography, N.S.F. Grant GB-8189, Computer-time support through Biology Department, Clark University.
Communicated by J. Bunt, Miami
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Coull, B.C. Species diversity and faunal affinities of meiobenthic Copepoda in the deep sea. Mar. Biol. 14, 48–51 (1972). https://doi.org/10.1007/BF00365780
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DOI: https://doi.org/10.1007/BF00365780