The structure of the planktic microbial community in the lower reaches of the Ob River near Salekhard

被引：0
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作者：
A. I. Kopylov
D. B. Kosolapov
机构：
[1] Russian Academy of Sciences,Papanin Institute of Biology of Inland Waters
来源：
Contemporary Problems of Ecology | 2011年 / 4卷
关键词：
planktic microbial community; bacteria; protozoans; lower reaches of the Ob River;
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摘要：
We studied the distribution of the main components of planktic food web: bacteria, heterotrophic flagellates, and ciliates in the lower reaches of the Ob River near the town of Salekhard. In the early summer, the abundance, biomass, and diversity of protozoans were low; the plankton community was dominated by heterotrophic bacteria whose biomass was higher than that of phyto- and zooplankton. Downstream of Salekhard, biomass and abundance of bacterioplankton were increased due to household and industrial wastewater. The data obtained showed the importance of heterotrophic organisms in trophic dynamics and self-purification of the lower reaches of the Ob River.
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页码：1 / 7
页数：6
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