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SOURCE:    Almanac of Modern Science and Education. Tambov: Gramota, 2013. № 11. P. 144-147.
SCIENTIFIC AREA:    Biological Sciences
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SPECIES STRUCTURE OF FISH CENOSES IN DIFFERENT WATER BASINS OF GOMEL REGION

Potapov Dmitrii Viktorovich
Francisk Skorina Gomel State University, Republic of Belarus


Abstract. In the article the peculiarities of fish cenoses species structure in the rivers Sozh, Dnepr and accompanying water basins are analyzed, the specificity of species composition structure and natural fish cenoses in six stations situated in the rivers Sozh, Dnepr and accompanying water basins (former riverbeds, lakes) in Gomel region is revealed. Fish species of little value (bleak, silver bream, roach, perch) prevail in hauls. The maximal indexes of information variety are received for the stations situated in the rivers Sozh and Dnepr. The low indexes of dominance concentration and species levelling are the evidence of the high degree of ichthyological complexes formation in the studied stations.
Key words and phrases: рыбы, ихтиофауна, сообщества рыб, видовой состав, реки Сож и Днепр, притоки, видовое разнообразие, индексы видовой структуры, fish, ichthyo-fauna, fish cenoses, species composition, the rivers Sozh and Dnepr, tributaries, species variety, species structure indexes
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