The mangrove area in Ambon Dalam Bay in the coastal areas of Ambon is not spared from damage due to great sedimentation coming from the surrounding hills that erosion. Erosion occurs because the hills were converted into housing residents. In addition, mangrove destruction is also made possible by oil pollution from the disposal of the rest of the ship sanchored in the surrounding area. The area of mangrove in Ambon Dalam Bay has decreased, where the data of LIPI in 1995 showed the total of the area are 49.5 ha and in 1997 left over 37.6 ha. However,
based on the data of Pattimura University in 2010, the area of mangrove has increased significantly by 52.22 ha which were in the villages of Passo 26.74 ha, Nania16.98 ha, Negeri Lama 3,90 and Waiheru 4,60 ha [6].