Floristic analysis of phytoplankton of the mezhdurechensk reservoir

The article covers the floristic analysis of the phytoplankton of the Mezhdurechinsk reservoir. Found 462 species, varieties and forms, of which the leading algae are Bacillariophyta - 158, Chlorophyta - 118, Cyanophyta - 105, in other divisions of algae species are noted in smaller quantities - from 2 to 33. The algae found are of great importance in fisheries.