For citations:

Shashulovskaya E.A., Mosiyash S.A. Some Approaches to the Assessment of the Ecological State of Different-Type Reservoirs Based on the Relationship among their Main Hydrochemical Parameters. Povolzhskiy Journal of Ecology. 2019;(3):371-383. (In Russ.) https://doi.org/10.35885/1684-7318-2019-3-371-383