Composition and Distribution of Meiobenthos in Amursky Bay (Peter the Great Bay, the East Sea)

  • Pavlyuk Olga N. (Institute of Marine Biology, Far East Branch, Russian Academy of Sciences) ;
  • Trebukhova Julia A. (Institute of Marine Biology, Far East Branch, Russian Academy of Sciences)
  • Published : 2005.09.30

Abstract

Qualitative and quantitative composition of meiobenthos was studied in Amursky Bay (Peter the Great Bay, the East Sea). Ten taxonomic groups were found, where nematodes were dominant. Density of meiobenthos in ground sediments of the Bay were not uniform, and the average density was measured at $126.4{\pm}62.3ind.mo^{-2}$. 56 species of nematodes were detected, and dominant species were Sabatieria palmaris, Paracanthonchus macrodon, Sphaerolaimus limosus, S. gracilis and Oncholaimium ramosum. Five taxocenes of nematodes were allocated based on the results of cluster analysis and species domination according to density. Low diversity in species composition of nematodes was noted in the northwestern part of the Bay, which is a zone of desalination, and in the eastern part, which is exposed to household drains.

Keywords

References

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