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首页> 外文期刊>Oceanology >Meiobenthos and Nematode Community in Yenisei Bay and Adjacent Parts of the Kara Sea Shelf
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Meiobenthos and Nematode Community in Yenisei Bay and Adjacent Parts of the Kara Sea Shelf

机译：叶尼塞湾和喀拉海大陆架邻近地区的底栖动物和线虫群落

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摘要

Material is collected on a meridional profile from Yenisei Bay to adjacent parts of the Kara Sea shelf. The length of the profile is 550 km; 13 to 62 m depths. A multiple corer and Niemisto corer are used as sampling tools. The meiobenthos is represented by 13 taxa. Nematodes are the most abundant taxon, and har-pacticoid copepods (Harpacticoida) are subdominant. The abundance and taxonomic diversity of meiobenthos and nematodes increases from the freshwater part of Yenisei Bay towards the Kara Sea shelf. Three types of taxocene are distinguished: freshwater, brackish-water, and marine. The taxocene of the estuary is not distinguished by any specific set of species and consists of species characteristic of the nematode community both in the freshwater and marine zones. The trophic structure of the taxocene of nematodes in Yenisei Bay is dominated by nematodes with well-defined stoma and are differently armed. The estuary and shelf are dominated by selective and nonselective deposit feeders.
机译：材料收集在从叶尼塞湾到喀拉海大陆架邻近部分的经向剖面上。剖面长度为550 km;13 至 62 米深。多取芯机和 Niemisto 取芯机用作取样工具。减壁底栖动物由13个分类群代表。线虫是最丰富的分类单元，har-pacticoidoid桡足类（Harpacticoida）是亚优势类。减数底栖动物和线虫的丰度和分类多样性从叶尼塞湾的淡水部分向喀拉海大陆架增加。分类世分为三种类型：淡水、咸水和海洋。河口的分类世没有以任何特定的物种集来区分，由淡水和海洋区域线虫群落的特征物种组成。叶尼塞湾线虫分类世的营养结构以具有明确气孔的线虫为主，并且具有不同的武装。河口和陆架以选择性和非选择性沉积物喂食者为主。

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