Fauna of planktonic invertebrates (rotifera, cladocera, copepoda) some rivers of the Kirov area

A specific structure of planktonic invertebrates (Rotifera, Cladocera, Copepoda) at 9 stations of the river Vyatka (Volga river basin) and 10 tributaries of the river Vyatka was investigated. The general list of species structure of planktonic rotifera and crustaceans of the rivers was made. Dominant complexes of zooplankton were analyzed. On structure of planktonic animals the condition of the rivers to anthropogenic influence was analyzed.