Question

Write economic importance of lichens.​

Answer 1

Economic importance of lichens are as follows:-

1. Reindeer moss which is found in the tundra region is used as food.

2. It is used as a dye as well for the purpose of acid base indicator. That lichen is made up of Roccella tinctoria.

3. For the treatment of hydrophobia disease lichen Peltigera canina is used.

4. They may also used as air pollution indicator because they can't survive in SO2. Also they are considered as the biological indicator.

5. In the summer season we usually see in news about fire so for that fire Old man's beard or Usnea is very responsible.

Answer 2

$\red\bigstar$ Some economic importance of lichens are :-

$\leadsto$ They are regarded as the pioneers who have inhabited the rocky habitat. The organic acids produced by them disintegrate rocks. The first lichen species is the Lichen Condelarins.

$\leadsto$ The are regarded as the soil formers since it breaks down the hard rocks into soil. Mosses are the successor of the crustaceous rocks.

$\leadsto$ It is used as food by the higher animals. The Cladonia rangiferina is used as the reindeer moss. It contains Lichenin which is a carbohydrate which is similar to the starch.

$\leadsto$ It is also used by the small insects like mites, caterpillar, snail etc as source of food. Some of the species of lichens are Aspicilia calcarea andLecanora saxicola.

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