Aquatic and wetland flora of the Kenozerskii National Park (Arkhangelsk region).

摘要

The botanical composition of the vegetation of about 40 lakes in the Kenozerskii National Park, Russia, and the distribution and specificity of vegetation in different types of water bodies was investigated. Differences in the botanical compositionand types of vegetation in individual water bodies and lake groups resulted from different dates of their separation during the post-glacial decrease in the water level of the lake, different dates of settling free ecological niches by migrants from boreal zone, differences in the topography of lake hollows, and modern environments. Minimum species diversity and the swinging type of overgrowth by vegetation were characteristic of lake hollows, and the highest species diversity and the formation of several ecological groups of hydrophytes are typical of lakes with very patchy distributions of biotopes along the shore.