Interannual changes in the structure of meiobenthos in the sandy shallow waters of Triozerye Bay (Sea of Japan)

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  • Authors: A. A. Karpova1,2, N. P. Fadeeva1
  • Affiliations:
    1. Far Eastern Federal University, 27 Oktyabrskaya St., Vladivostok, 690091, Russia
    2. A.V. Zhirmunsky National Scientific Centre of Marine Biology FEB RAS, 17 Paltchevsky St., Vladivostok, 690041, Russia
  • Keywords: Sea of Japan, interannual changes, particle size distribution, organic matter, meiobenthos, nematofauna

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Abstract

For the first time, the results of a study of the dynamics of biological parameters of the meiobenthos of the coastal strip of sandy soils in Triozerye Bay (Sea of Japan) in July-August 2021 are presented- 2023. During the study, 20 taxa of the meiofauna were registered, the basis of which were such representatives as: Harpacticoida, Nematoda, Copepoda, Turbellaria, Gastrotricha, Annelida, Halacaridae and Ostracoda. The nematofauna was based on free-living nematodes Daptonema normandicum, Enoplolaimus pectinatus, Metadesmolaimus innii and Parascolaimus proprius. In general, the structure of qualitative and quantitative indicators of meiobenthos and nematofauna changed annually due to the granulometric composition of sediments.

Keywords: Sea of Japan, interannual changes, particle size distribution, organic matter, meiobenthos, nematofauna

Authors

A. A. Karpova
Far Eastern Federal University, 27 Oktyabrskaya St., Vladivostok, 690091, Russia / A.V. Zhirmunsky National Scientific Centre of Marine Biology FEB RAS, 17 Paltchevsky St., Vladivostok, 690041, Russia
N. P. Fadeeva
Far Eastern Federal University, 27 Oktyabrskaya St., Vladivostok, 690091, Russia