Forests are the dominant terrestrial ecosystem of Earth, and are distributed across the globe. Forests account for 75% of the gross primary produvctivity  of the Earth’s biosphere , and contain 80% of the Earth’s plant biomass.Manthani is surrounded by thick forests.In the Manthani constituency 70% area with huge forest.(Mahadevpur,Muttaram,kataram,Malhal mandals).