TY JOUR TI CURRENT DISTRIBUTION OF BEAVER (CASTOR FIBER) IN THE TERRITORY OF SHUSHENSKIY DISTRICT IN THE BASIN OF THE OYA RIVER KW beaver KW the Oya River KW number KW dynamics JO Bulletin of KSAU AU Baksheeva, S.S. AU Antonovich, A.A. PY 2015 IS PB Krasnoyarsk State Agrarian University