Lichens - Importance
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Description:
The economic importance of lichens are as follows −
Early colonizers in barren dry and naked rocks, cliffs, mountains and new terrains.
It paves the way for the growth of mosses and grasses.
Staple food for many animals in tundra region.
Used as biological stain.
Source for litmus paper which is used as pH indicator.
Used in in making perfumes.
Used for the preparation of ointment for the treatment of burns and wounds.
Decrease in lichens in an area is indicative of air pollution especially Sulphur dioxide pollution.
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