For citations:

Yermokhin M.V., Tabachishin V.V., Tabachishin V.G. Transformation of the phenological norm of the start date of spawning migrations of Bombina bombina and Pelophylax ridibundus (Amphibia, Anura) in the middle reach of the Medveditsa river. Povolzhskiy Journal of Ecology. 2025;(3):286-299. (In Russ.) https://doi.org/10.35885/1684-7318-2025-3-286-299