%0 Journal Article %T The impact of drying on the thinning of spruce stands and on changes in the species composition of forest in the Perm Krai %A Ivanchina, L.A. %A Bolshakov, E.G. %K drying out of spruce stands, species composition of forest plantations, weighted average scores of sanitary condition of forest stands, growing stock, stand density, species conversion, sparse forest, wood sorrel spruce forest, linden spruce forest %J Forestry Engineering Journal %D 2025 %N 14 %P 15 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov