For citations:

Ilyashenko E.I. Influence of Changes in Agricultural Landscapes on the Distribution and Number of the Demoiselle Crane (Anthropoides virgo Linnaeus, 1758) (Gruidae, Aves) in Its Breeding Area Since the Middle of the 20th Century. Povolzhskiy Journal of Ecology. 2019;(2):222-236. (In Russ.) https://doi.org/10.35885/1684-7318-2019-2-222-236