Yu.V. Zagurskaya - Ph.D. (Biol.), Researcher, Institute of Human Ecology, Siberian Branch of the Russian Academy of Sciences (IHE SB RAS) (Kemerovo). E-mail: syjil@mail.ru. I.I. Bayandina - Ph.D. (Biol.), Associate Professor, Novosibirsk State Agrarian University (NGAU). E-mail: bayandina@ngs.ru