00741naa#a2200181#i#450# EN\\bibl\17343 20251116141512.7 20251115b2025####ek#y0engy0150####ca RU PURE PRIMARY PRODUCTION OF LIVING GROUND COVER OF FOREST-STEPPE ECOSYSTEMS THE OKA-DON PLAIN Conference article/thesis Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2025 6 с. Conference article/thesis local Лесное хозяйство. Лесоводство. 630 Kartashova Nelli Pavlovna Nikitenko Viktoriya Viktorovna Kartashov E. K. bibl.vgltu.ru