nice bridge leading into lush green forest

nice bridge leading lush green forest area land dominated trees hundreds definitions used world incorporating factors tree density height use legal standing ecological function forests largest terrestrial ecosystem earth found globe account gross primary production earth#39aph39#s biosphere plant biomass deforestation threatens ecosystems occurs humans remove forested cutting burning harvest timber farming today tropical vast majority four commodities: wood beef soy palm oil trees function globe biomass ecosystems farming forests oil