TY JOUR TI TO THE ANALYSIS OF THE CARBON STATE OF VORONEZH UPLAND OAK FOREST KW Voronezh upland oak forest KW carbon KW forest KW biological productivity KW biodiversity KW biomass KW forest soils KW urban green spaces KW urban ecosystem JO Actual directions of scientific researches of the XXI century: theory and practice AU Odnoralov, G.A. AU Golyadkina, I.V. AU Tikhonova, E.N. PY 2020 IS 8 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov