Vascular flora of the basin of the middle stream of the river Svir' (Leningrad region, Podporozhye district): composition and structure

The information about landscape, climate and soil in the basin of the middle part of Svir river is given. The basic features of flora and list of observed vascular plants are given. Based on flora analysis it is shown that specific flora features depends on the role of the «eastern» taiga species. Flora zoning of north-eastern part of Leningrad region and protection of the valuable vascular plants is observed.