Terekhova
Alina Demyanova,
biology teacher, Secondary School No. 60 named after the Heroes of the Battle of Kursk,
e-mail: alina.kostina.98@mail.ru

Factors determining the possible expansion of the river beaver (Castor Fiber, L.) in the central forest-steppe (on the example of the Kursk region)
Cernyshev A.A., Terehova A.D., Kazakov S.G.
         2022,    N 6