Abstract

Sphagnum mosses play a significant role in the plant communities of the south-belomorian bogs. The adaptation of these plants to environmental conditions can be traced through changes in the pigment complex. In this work, the content of chlorophylls a and b and carotenoids was determined in some ridge species (Sphagnum fuscum, S. rubellum) and hollow species (S. lindbergii and S. majus) in June and September. An increase in total pigments in species growing on ridges is observed in autumn and that can be explained by the formation of comfortable conditions for photosynthesis. The growth of algal biomass can cause a decrease in the pigment content in the species of hollows.

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