Additional files [RJEE Vol. 3 (2). 2018 – 2]

• Fig. 1. Tall herb spruce forest in the lowland swamp where the study was conducted
• Fig. 2. First stage of microcommunity development on fallen logs of black alder (Alnus glutinosa). The upper photo – seedlings of black alder and other tree species germinate on the fallen log
• Fig. 3. Proportion of species of different ecological-coenotic groups (ECG) in the plant microcommunities on five stages of wood decomposition
• Fig. 4. Second stage of microcommunity development on fallen logs of black alder (Alnus glutinosa)
• Fig. 5. Third stage of microcommunity development on fallen logs of black alder (Alnus glutinosa)
• Fig. 6. Fourth stage of microcommunity development on fallen logs of black alder (Alnus glutinosa)
• Fig. 7. Results of DCA-ordination of plant microcommunities on the fallen logs on different stages of wood decomposition in the axes of the greatest variation in floristic composition