Ecological and biological features of the development of introduced species of the genus Abies MillLubov Masalova, Olga Emelyanova, Mikhail Tsoy, Galina Pavlenkova and Andrey FirsovE3S Web Conf., 254 (2021) 06001DOI: https://doi.org/10.1051/e3sconf/202125406001