Spatial structure of zooperiphyton in a small river (West Siberia) |
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Authors: | T. A. Sharapova |
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Affiliation: | 1.Institute of Problems of the North, Siberian Branch,Russian Academy of Sciences,Tyumen,Russia |
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Abstract: | Basic quantitative characteristics of zooperiphyton from the Uk River are presented. Factors effecting the composition and structure of invertebrates have been found. The effect that the current velocity, water level, and different types of pollution have on zooperiphyton in the small river is shown. The pollution of the river reduces taxonomic diversity. The maximum effect is caused by the discharge of mineralized waters. In clean portions of the river, Trichoptera dominate in biomass; in polluted parts, their role decreases and the larvae of chironomids and leeches prevail in zooperiphyton. |
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