%0 Journal Article %T The role of introduction in forming the adventive flora fraction at Voronezh region protected nature reserve %A Lepeshkina , L.. %A Starodubtseva, E.. %A Grigorevskaya, A.. %A Lisova, O.. %K adventive fraction of flora, introduction, protected areas (PAS), the natural reserve Fund (NRF), Voronezh region. %J Forestry Engineering Journal %D 2016 %N 6 %P 13 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov