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首页> 外文期刊>Russian journal of marine biology >Species Composition and Distribution of Free-Living Marine Nematodes in Vostok Bay, Sea of Japan
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Species Composition and Distribution of Free-Living Marine Nematodes in Vostok Bay, Sea of Japan

机译：日本海沃斯托克湾自由活动海洋线虫的种类组成和分布

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摘要

The qualitative and quantitative composition of free-living marine nematodes have been studied in Vostok Bay (Peter the Great Bay, Sea of Japan). It is found that the population density of nematodes in the bottom sediments of Vostok Bay shows an uneven distribution. The mean population density equaled 56800 ± 23400 specimens/m~2. A correlation has been revealed between the population density of nematodes and the substrate type. Altogether, 85 species of nematodes have been found; they were dominated by Sabatieria pal-maris, Rhabdodemania orientalis, Araeolaimus parvibulbosus, Oncholaimium paraolium, Doryolaimopsis peculiaris, and Metachromadora itoi. Six taxocenoses of nematodes were distinguished, taking into account the species dominating in the population density and using cluster analysis of the obtained data. The dominating trophic assemblage of nematodes was "scrapers." In general, the species composition of nematodes in Vostok Bay is characterized by the relatively great similarity with that in other areas of Peter the Great Bay (Sea of Japan).
机译：在沃斯托克湾（日本海彼得大帝湾）研究了自由活动的海洋线虫的定性和定量组成。发现沃斯托克湾底部沉积物中线虫的种群密度分布不​​均。平均种群密度为56800±23400个样本/ m〜2。已经揭示了线虫的种群密度与底物类型之间的相关性。总共发现了85种线虫。它们以Sabatieria pal-maris，Rhabdodemania Orientalis，Araeolaimus parvibulbosus，Oncholaimium paraolium，Doryolaimopsis peculiaris和Metachromadora itoi为主。考虑到在种群密度中占主导地位的物种并使用获得数据的聚类分析，区分了六个线虫的线虫。线虫最主要的营养组合是“刮板”。一般而言，沃斯托克湾线虫的种类组成与日本彼得大帝湾其他地区的线虫相似性相对较高。

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