Schemes of habitats occupied by Scirpus radicans and its communities on the north-eastern (A) and south-western (B) shores of Lake Pabezninkai. Blue dotted lines indicate usual water level in the lake. The main belts of plant communities and habitats are indicated by lowercase letters: Phragmites australis bed (a), communities formed by Scirpus radicans (b), communities of therophytes (c), wet bare sand areas (d), lake (e) and Carex acuta community (f).