The Population growth increase and other socio-economic complexity of recent decades have put the mangrove forest area in the province of Moluccas, particularly Ambon Dalam Bay in a vulnerable condition. Population growth increase directly requires the addition of space both for residential as well as other socio- economic activities. Surface conditions which majority of hills and valleys further worsened the pressure on forests in sloping areas, including mangrove forests. The high of it pressure can be indicated by the increasing degradation and deforestation of mangrove forests.