Shevchenko D. Flora and populations of rare species of the Kreminian forest massive (Lugansk region)

The thesis is dedicated to the study of the flora, state and structure of populations rare species of plants of Kreminian forest massive which is in north-western part of the Lugansk region, on territory of Kreminian administrative district and lands of Rubizhne town. It covers the area of 42271 hectares. The essay of the botanical researches is presented; vegetation is described for physionomic classification its dynamics is found out under act of natural and anthropogenic factors. By our data the flora of Kreminian forest massive is counts a 944 species of vascular plants which related to 397 genera and 112 families. The analysis of its systematic composition, biomorphological, geographical, ecological, ecologo-coenotical structure and of processes of flora synantropisation has been made. The state and structure of population 9 rare species the flora of region were studied. The sosological estimation of phytodiversity of the Kreminian forest massive is conducted as a result of which it is suggestedto create the new objects of the natural reserve fund.