FISHERIES CHARACTERISTICS OF THE SURA RIVER AT THE MUNICIPAL WATER INTAKE AREA OF ALATYR
Low productivity of the fish feed base is noted in the Sura river section at the water intake area of Alatyr due to hydrological and hydrochemical features. This fact leads to a relatively low number and biomass of the fish population. 26 fish species found in this river section. Most of them belong to the rheophilic ecological group. The bleak - Alburnus alburnus - accounts for the largest percentage of the fish population.