TY JOUR TI Condition of linden (Tilia cordata mill.) and elm (Ulmus laevis pall.) populations in old-growth floodplain forests of the"Bolshaya Kokshaga" reserve KW floodplain mixed forests KW forest vegetation heterogeneity KW ontogeny of woody species KW the demographic composition of the populations KW dynamics of tree populations JO Forestry Engineering Journal AU Braslavskaya, T.Y. PY 2014 IS 4 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov