TY CONF TI ASSESSMENT OF THE CONDITION OF DANGEROUS AND EMERGENCY BALSAMIC POPLAR TREES BY INSTRUMENTAL METHODS KW balsamic poplar (Populus balsamifera L.) KW dangerous trees KW rot JO BIOLOGICAL AND FORESTRY AND ENVIRONMENTAL FUNDAMENTALS OF SUSTAINABILITY OF NATURAL AND ARTIFICIAL PHYTOCENOSES AU Novoselova, O.I. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov