%0 Journal Article %T The influence of the Polygraphus proximus Blandford on the stock and share of fir stands in the species composition of forest plantations in the Perm Krai %A Ivanchina, L.A. %A Bolshakov, E.G. %A Rotermel', E.G. %K four-eyed fir bark beetle (Polygraphus proximus Blandford), drying out, fir stands, average weighted score of the san-itary condition of stands, growing stock, species composition of forest plantations, Perm Krai %J Forestry Engineering Journal %D 2025 %N 15 %P 17 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov