Locating in Khanh Hoa province, Cam Ranh bay is a typica1 bay for Southern Middle of Vietnam. The system of Cam Ranh bay has a plentiful natural resources, that divides into non biotic resources and biotic resources because of interaction between climate, hydology, geology, and topography conditions. The first one includes position, wetland, mineral and geotope resources. The second one involves the diversity of ecosystems such as mangrove, seagrass, coral reef and tidal wetland. However, all of them have been over exploiting for development of local economic, therefore, make them being degraded. .