TY JOUR TI RECREATIONAL IMPACT ON NATURAL FOREST-STEPPE AND SOUTHERN TAIGA BIOGEOCENOSIS OF CENTRAL SIBERIAN STATE NATURE RESERVE ‘STTOLBY’ KW recreational loadings KW forest biogeocenosis KW forest stand KW grass and shrub layer KW soil cover JO Bulletin of KSAU AU Shugaley, L.S. PY 2017 IS PB Krasnoyarsk State Agrarian University