TY JOUR TI PHYTOECOLOGICAL POTENTIAL OF THE DON-ILOVLINSKY SANDY MASSIF KW crop yield KW species diversity KW dominants KW plant communities KW Braun-Blanquet constancy scale KW cluster analysis JO Bulletin of KSAU AU Vlasenko, M.V. AU Kulik, A.K. AU Balkushkin, R.N. PY 2026 IS 0 PB Krasnoyarsk State Agrarian University