Davydov D. Forest vegetation of the Romny-Poltava geobotanical district (Ukraine): syntaxonomy, antropogenic changings and protection

The thesis is devoted to the modern condition of forest vegetation of Romny-Poltava geobotanical district, its syntaxonomy, antropogenic changings and protection. Structural analysis of the flora which is represented by 680 vascular plant species was conducted. Systematical, biomorphological, geographical structures of flora and its synantropization were studied. Classification schemes based on dominanted (15 formations, 27 subformations, 58 association groups, 122 associations) and ecological-floristical (5 classes, 8 orders, 13 alliances, 25 associations) classifications were elaborated. Directions of antropogenic changings were established. The sozological estimation of forest vegetation has been carried out.