TY CONF TI ASSESSMENT OF VIABILITY OF FOREST CROPS AT THE CARBON POLYGON OF THE VORONEZH REGION KW carbon polygon KW mixing scheme KW silver birch "UG-1" KW poplar "ES-38" KW Scots pine JO FOREST ECOSYSTEMS IN A CHANGING CLIMATE: PROBLEMS AND PROSPECTS AU Poddubnaya, A.V. AU Litovchenko, D.A. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov