ABRASION IN DERAWAN ISLAND (THE CAUSE AND THE PROPER SOLUTION)

Abstract

As an archipelago state, Indonesia globally famous with marine mega biodiversity. This country contribute the largest area among 6 countries under the Coral Triangle initiative. The area contains almost 600 species of corals and 76% of total corals worldwide are found in the coral triangle. Moreover, 574 of coral species which 72% of total corals globally are located in Indonesia, and Raja Ampat as the largest marine biodiversity in Indonesia, followed by Derawan Island in the second place. Derawan Island is located in East Kalimantan Province. Despite having an extraordinary marine biodiversity, this island experienced several environment issues. One of them is Abrasion. In terms of methodology, this scientific paper adopt the concept of abrasion, and the type of the research is description explanation which explain the cause of abrasion in Derawan Island and the possible solution which will be implemented in Derawan Island authority. The data type is primer. The Author conducted field research and obtained the data by collecting it from relevant institution, observation and interview. As the result, the research shows that Derawan Island experienced massive abrasion in the east side of the island due to a big numberof residence developments in the South area of the island. As the consequences, the water current which carried sand from East and West side stuck in the South area of the island.