TY JOUR TI THE RELIEF ELEMENT INFLUENCE ON THE NATURAL RENEWAL OF TREE SPECIES ON THE STRIPPING ROCK DUMPS IN THE CONDITIONS OF KUZNETSK HOLLOW NORTHERN FOREST-STEPPE KW dumps KW natural reforestation KW subgrowth KW seeding JO Bulletin of KSAU AU Klimova, O.A. AU Ufimtsev, V.I. PY 2014 IS PB Krasnoyarsk State Agrarian University