TY CONF TI FEATURES OF THE FORMATION OF LIVING GROUND COVER IN THE TERRITORIES OF THE PROTECTED NATURE OF KHRENOVSKY PINE PINE KW specially protected natural area KW Khrenovsky pine forest KW living ground cover KW Zdorovye sanatorium KW Zakaznik tract KW Morozovskaya grove JO CONTEMPORARY CHALLENGES AND TOPICAL ISSUES OF BIODIVERSITY AND SUSTAINABILITY OF PLANT COMMUNITIES AU Tolbina, I.A. AU Popova, V.T. AU Tseplyaev, A.N. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov