Meiobenthos in estuary part of ha long bay (gulf of tonkin, south china sea, vietnam) |
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| Authors: | Olga Pavlyuk Yulia Trebukhova Nguyen Vu Thanh Nguyen Dinh Tu |
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| Institution: | (1) A.V. Zhirmunsky Institute of Marine Biology, Far East Branch, Russian Academy of Sciences, 690041 Vladivostok, Russia;(2) Far Eastern State Marine Biosphere Natural Reserve, Far East Branch, Russian Academy of Sciences, 690041 Vladivostok, Russia;(3) Department of Nematology, Institute of Ecology and Biological Resources, Vietnamese Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam |
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| Abstract: | The distribution of the taxonomical composition and the density of meiobenthos depending on some factors of environment has
been studied in bottom sediments of the northern estuary part of Ha Long Bay (Cua Luc estuary). The basic factor of influence
on meiobenthic community structure was the granulometric composition of sediment. The greatest taxonomic diversity is noted
in the silted sands, lowest — in the silty sediments. The density of meiobenthic community was higher in the silty sediments.
Slightly expressed correlation between the density of nematodes and the percentage of silty particles in the sediments is
detected (Spearman rank correlation coefficient was 0.49±0.21, p=0.035). The nematodes were dominant at all stations. In total,
representatives of 66 species of nematodes belonging to 17 families and 52 genera were identified. |
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| Keywords: | density meiobenthos nematodes granulometric composition of sediment salinity |
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