Under the slogan of sustainable development, forests on the peat swamp and wetland area have been destroyed in tropical area.Needless to say, since it is very difficult to develop peat swamp and wetland, those huge areas still remain in natural or sub-natural conditions.Therefore, those areas have been considering as the key ecosystem for not only reserving bio resources and biodiversity, but also reducing carbon efflux owing to degradation of peat,stocking of carbon in forests,or controlling water balance.However, now, the peat swamp and wetland in tropical area face to the crisis of disappearance due to human impact,which isaccelerated by recent abnormal and unusual global climate changes