A forest is a terrestrial ecosystems with diverse species of trees covered area, around the globe. These forest are defined based on factors like:
4. ecological function etc etc.
As per 2006 estimate forests covered 4 billion hectares (9.9×109 acres) (15 million square miles) or approximately 30 percent of the world’s land area.
Forests contains about 80% of plant Biomass and accounts to about 75% of GPP-gross primary Productivity of Earth’s Biosphere.
Earth atmosphere need a sustainable presence of oxygen as required by living beings, which is emitted by green forest, plantation and algae covers available in land surface and oceans.
Let’s pledge to grow more forest to keep oxygen level to optimum level in our atmosphere.