TY JOUR TI SUBSTANTIATION OF THE TECHNIQUE FOR THE FOREST MANAGEMENT ECOLOGICAL EFFICIENCY ESTIMATION KW multi-purpose forest management KW ecological efficiency KW process quality KW young growth preservation KW biodiversity JO Bulletin of KSAU AU Grigoryev, I.V. AU Grigoryeva, O.I. AU Nikiforova, A.I. AU Kunitskaya, O.A. PY 2012 IS PB Krasnoyarsk State Agrarian University