%0 Conference Article %T STUPINSKOYE FIELD NATURE MONUMENT: CURRENT PRESERVATION OF 60-YEAR-OLD SCOTS PINE TREES IN DIFFERENT ECOTYPES OF GEOGRAPHICAL FOREST CROPS %A Mihaylova, M.I. %A Chernyshov, M.P. %K Scots pine, geographical forest crops, forest-steppe and steppe ecotypes, current conservation %J FORESTRY-BIOLOGICAL FOUNDATIONS OF SUSTAINABILITY OF NATURAL AND ARTIFICIAL PHYTOCOENOSES %D 2024 %P 5 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov