For citations:
Lobkova G.V., Tikhomirova E.I., Simonova Z.A. Assessment of the effect of heavy metal salts on the photosynthetic activity of aquatic plants. Povolzhskiy Journal of Ecology. 2021;(3):310-318. (In Russ.) https://doi.org/10.35885/1684-7318-2021-3-310-318