What is the significance of mosses in nature?

Mosses are of great importance in nature. They create biocenoses, mostly where the tundra is. They participate in the regulation of water balance, they can absorb and retain a lot of water, as well as radioactive substances. They are directly involved in the synthesis of organic substances and the production of oxygen. Mosses are capable of forming peat and are excellent soil defenders against erosion. They are excellent forage for reindeer husbandry.