Syntaxonomic changes in the plant cover of meadow steppe in the «Mikhailovskaya Tselina» reserve (Sumy Region, Ukraine)

• DOI: 10.31111/vegrus/2006.09.43
• Publication Date: 2019-12-13T03:37:37Z
• Authors: H. N. Lysenko; I. A. Korotchenko
• Keywords: Steppe; Vegetation Cover; Plant cover

Changes in the set of syntaxa have been traced for plant cover «Mikhaylovskaya Tselina» meadow-steppe (an isolated part Ukrainian Steppe Nature Reserve, Sumy Region, Ukraine) with help Braun-Blanquet approach. The area vegetation prodromus includes 2 classes, rders, 3 alliances, 9 associations, and 6 subasso­ciations, latter described anew. is highly dynamic undergoes expressed meso­phytization, especially within where strict protection has maintained since 1961. Amplitudes principal ecological factors also peculiarities their shift under exogenic regulation are determined method synecological phyto­indication (i. e. not single species but total sets communities serve as indicators). essential transformations reserve meadow steppes probably caused by «insular» character reserve, its small size, poorness natural grazers hence inadequacy means mowing.