Study on Vegetation at Cham Chu Nature Reserve, Tuyen Quang Province

The vegetation diversity at Cham Chu nature reserve has two vegetation type groups at different heights (upper and under 700 m). The vegetation type group in upper 700 m with 4 types are subtropical evergreen closed forest (I), closed evergreen tropical rain forest on limestone mountains (II), closed forest mixed with broadleaf and coniferous trees (III), and tropical evergreen sparse forest that regeneration after exploiting (IV). The vegetation type group under 700 m with 3 types are closed evergreen tropical rain forest on lowland (V), closed evergreen tropical rain forest on limestone mountains (VI) and secondary vegetation that impacts by human (VII).