TY JOUR TI THE ASSESSMENT OF TERRITORIAL ECOLOGICAL STABILITY OF LITOSPHERE COMPONENTS IN TYPICAL TUNDRA LANDSCAPES OF THE YENISEI SIBERIA KW sustainability KW lithosphere KW typical tundra KW ecological resource JO Bulletin of KSAU AU Gavrilyuk, A.I. AU Ananyeva, T.A. PY 2016 IS PB Krasnoyarsk State Agrarian University