TY CONF TI MONITORING OF THE SURFACE WATER QUALITY OF THE DON RIVER WITHIN THE “GALICHYA GORA” NATURE RESERVE KW surface waters KW the Don river KW hydrochemical indicators KW ionic composition KW monitoring KW heavy metals JO Reproduction, monitoring and protection of natural, natural-anthropogenic and anthropogenic landscapes AU Pertseva, A.G. PY 2022 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov