Inland fishery management in Songkram river, Thailand

Abstract

Thailand has 25 large basins, each with code. Khong Basins is one of 25 with code 02. Khong Basin in Thailand has 3 subbasins, Kok in Chiengrai-Chiengmai provinces Huaymong in Nongkai and Songkhram Basin covering 33 amphoes in 4 provinces, i.e. Udom Thani, Nongkai, Sakolnakorn and Nakornpanom with area of 13,451 m2 most of the area are stepped plain and low-lying floodplains (KhonKaen University, 1997). Songkhram river originates from Phuphan hill with altitude 300 m above MSL. The river passes north crossing Udom Thani province and diverts southeasterly to Sakolnakorn and Nongkai provinces and drain into Sri Songkhram area of Na Kom Panom province and confluent with Khong river in Chaiburi with total distance of 430 km (Asian engineering consultant limited et. al., 1992).