TY JOUR TI THE COMPOSITION AND STRUCTURE OF LARCH LICHEN COMMUNITIES IN WATERSHED LIGHT FORESTS OF THE WEST SIBERIAN PLAIN KW species diversity KW frequency KW cover-age KW epiphyte lichen KW Western Siberian plain JO Bulletin of KSAU AU Ryabitseva, N.Y. PY 2016 IS PB Krasnoyarsk State Agrarian University