What are the uses benefits of lichen?

Lichens perform useful functions in nature. They provide shelter for other organisms. They also provide food for animals and materials that they can use to build their homes or nests. When lichens grow on rocks, the chemicals that they release contribute to the slow process of rock breakdown and soil formation.Click to see full answer. Considering this, what are three reasons lichens are useful to humans?Lichens are very sensitive to pollution such as nitrogen because they receive water and nutrients from wet and dry atmospheric deposition. this property makes them a pollutant indicator. Lichens provide food and also help algae to produce food. they make of their own food production. what are economic importance of lichens? Economic importance of Lichens Therefore, they are good indicators of air pollution and become extinct in the polluted areas. – Some lichens like stone mushrooms are used as a food. – Lichen and other chemical substances present in it are also used as medicines. Herein, what is the harmful effect of lichen? Populations of epiphytic lichens covering large parts of the trees have harmful effects on their hosts in natural ecosystems ( Legaz et al., 2004 ). Among the described symptoms are chlorosis of the leaves and inhibition of bud and leaf formation (Legaz et al., 1988).Can humans eat lichen?Most of us believe that moss and lichens are not edible. However, lichens make up a substantial part of the diet in the Arctic, and almost every moss and lichen is edible. That does not imply that they are palatable, or nutritious, but most can, indeed, be eaten. When desperate, eat!