TY JOUR TI A NEW TYPE OF ENTOMOGENIC SUCCESSION IN THE FIR FORESTS OF SIBERIA KW Polygraphus proximus Blandf. KW Siberian fir Abies sibirica Ledeb. KW forest formation process KW forest types KW insect infestations KW southern taiga KW Western Siberia JO Forestry Engineering Journal AU Debkov, N.M. PY 2019 IS 9 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov