The Structure of a Free-living Nematode Community in Wrangel Bay of the Sea of Japan

The Structure of a Free-living Nematode Community in Wrangel Bay of the Sea of Japan The qualitative composition and distribution of the meiobenthos in Wrangel Bay (Nakhodka Bay of the Sea of Japan) depend on the bottom sediment grain composition and on the concentration of heavy metals in the ground. It was established that the meiobenthos in the bay was represented by 13 groups of animals (class, order) and was relatively evenly distributed. The nematodes dominated (50–80%), and their settlement density was slightly higher in silty ground than in silty–sandy ground. Forty-eight species of nematodes were found; Dorylaimopsis peculiaris, Viscosia stenostoma, Axonolaimus seticaudatus, Metasphaerolaimus japonicus, and Pseudosteineria inaequispiclata dominated in the silty–sandy sediments; Sabatieria pulchra, S. palmaris, Metalaimus pumilus, Sphaerolaimus limosus, and Oncholaimium ramosum dominated in the silty ground. A slightly expressed correlation of the settlement density with the ground type and lead concentration in the bottom sediments emerged for two species (S. pulchra and S. palmaris). Russian Journal of Marine Biology Springer Journals

The Structure of a Free-living Nematode Community in Wrangel Bay of the Sea of Japan

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Kluwer Academic Publishers-Plenum Publishers
Copyright © 2003 by MAIK “Nauka/Interperiodica”
Life Sciences; Freshwater & Marine Ecology
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