Chumphon province is located on Isthmus of Kra between Lat 10 degrees 29′N and Long 99 degrees 11′E. The mean annual rainfall is 4,100 mm. Mangroves can be found 152.126064 km2 in district of Pathio, Mueang Chumphon, Sawi, Thung-Tako, Lang Suan and Lamae. The dominant tree is in the family Rhizophoraceae.