TY JOUR TI ECOLOGICAL AND TOXICOLOGICAL ANALYSIS OF THE POLAR HARE (LEPUS TIMIDUS L.) TROPHIC CHAIN IN THE TAIMYR TUNDRA-FOREST KW cadmium KW polar hare KW food KW vegetation KW Norilsk KW Taimyr JO Bulletin of KSAU AU Kochkarev, P.V. PY 2012 IS PB Krasnoyarsk State Agrarian University