Forests:
Arunachal Pradesh has a rich diversity of flora and fauna. The entire state is covered with hills and forests. The forests are home to a sizeable population of various tribes who continue to extract resources from these forests for their livelihood.
The forests of Arunachal Pradesh include some 5000 species of plants, about 85 terrestrial mammals, over 500 birds and a large number of butterflies, insects and reptiles.
The vegetation of the state falls under four broad climatic categories and can be classified in five broad forest types which are: tropical forests, sub-tropical forests, pine forests, temperate forests and alpine forests.
Rivers:
Brahmaputra is the major river flowing through Arunachal Pradesh. It enters the state from Tibet and flows into Assam from where it passes into Bangladesh before falling into the Bay of Bengal.
Other small rivers in the state include Kameng, Subansiri, Siang, Lohit and Tirap. Apart from these there are several streams and lakes found in the state.
Minerals:
Major minerals found in Arunachal Pradesh are Coal, Dolomite, Marble, Lead, Zinc, Graphite, Gold and Copper.