TY JOUR TI Ecological monitoring of economic activity in the South Taiga region KW orest use KW timber harvesting KW monitoring observations KW efficiency assessment KW biodiversity KW key biotopes JO Forestry Engineering Journal AU Druzhinin, F.. AU Averina, V.V. AU Grigoreva, O.I. AU Lykov, I.V. AU Grigorev, I.V. AU Dolzhikov, I.S. PY 2025 IS 14 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov