TY JOUR TI Productivity and Sanitary Condition of Oak Forests in the Foothills of the North Caucasus (Case Study of the Republic of Adygea Forests) KW Oak forests KW North Caucasus KW Republic of Adygea KW Pedunculate oak (Quercus robur) KW forest inventory KW stand productivity KW timber stock KW sanitary condition KW merchantable structure KW thinning KW reforestation JO Forestry Engineering Journal AU Shtepa, E.N. PY 2025 IS 15 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov