TY JOUR TI THE ASSESSMENT OF DISTURBANCE IN MOSS-LICHEN LAYER OF CRYOLITEZONE FENS DEPENDING ON ANTHROPOGENIC STRESS KW a key plot KW fens KW species composi-tion of mosses and lichens KW pollutants elements concentration KW moss and lichen layer destruction JO Bulletin of KSAU AU Karpenko, L.V. PY 2016 IS PB Krasnoyarsk State Agrarian University