For citations:

Katsman E.A. Floristic Diversity of Watercourses and Temporary Reservoirs of the Ostrovtsovsky Cluster of the Volga Regional Forest-Steppe State Natural Biospheric Reserve Impacted by the European Beaver’s Expansion. Povolzhskiy Journal of Ecology. 2018;(4):513-518. https://doi.org/10.18500/1684-7318-2018-4-513-518