Bergman I. E. RussiaEkaterinburgInstitute of Plant and Animal Ecology, Ural Branch of Russian Academy of Sciences, 202 8 Marta Str., Ekaterinburg 6201445554505@mail.ru Author's articles EFFECT OF COPPER SMELTER EMISSIONS ON THE STEM SHAPE OF SIBERIAN SPRUCE (PICEA OBOVATA LEDEB.) AND SIBERIAN FIR (ABIES SIBIRICA LEDEB.) (PINÁCEAE, PINOPSIDA)