Influence of Bison bonasus on flora and vegetation change in Krasnikovsky forestry of “Orlovskoe Polesie” national parkL.L. Kiseleva, Zh.G. Silaeva, N.N. Chaadaeva and E.A. ParakhinaE3S Web Conf., 265 (2021) 01018DOI: https://doi.org/10.1051/e3sconf/202126501018