TRENDS IN FORMATION OF PHYTOCENOSIS UNDER THE INFLUENCE OF NATURAL AND ANTHROPOGENIC FACTORS DURING LAST DECADES IN THE BAIKAL REGION

The paper presents data of perennial studies of vectors of vegetation formation, in particular, forests development within steppe (extrazonal) coenoses on the western shore of Lake Baikal. Forestation processes on the territories occupied by steppes continue there. We showed modern trends of forests formation on sites where burning occurred during different years and with different intensity. It is stated that on the site of burnt primary coniferous taiga secondary forests develop. They consist of small-leaf trees species represented by their sparse undergrowth and clumps or single specimens everywhere.