Stepanenko N. Rare exotic dendrosozoflora ex situ of Forest steppe of Ukraine (structure analysis, decorative rating, phytodesign)

The thesis is devoted to revealing the quantitative and qualitative composition of rare exotic dendrosozoflora ex situ of Ukraine’s Forest-steppe to get the characteristics of their cultivation, preservation, enrichment and use in floristic landscape. Theoretical points were colligated and complex (historical and scientific, inventory, floraanalytical, dendrosozological, introduction, phytodesignlogical, and other) researches of species of rare exotic dendrosozoflora ex situ of Ukraine’s Forest-steppe were conducted for the first time, executed its complex structural analysis, correlation links and representation, methods of autphytosozological valuation of dendrosoexots were improved, results of their introduction, the decorative valuation was given for researched species. Modern state of viability of dendrosoexots in arboretums and botanical gardens of national importance of Forest steppe of Ukraine was found. Practical recommendations for replenishment of collections of Nature Reserve Fund by dendrosoexots and their using in landscape floristic were developed.