Study of the distribution and hdrocarbon content (Aliphatic and Aromatic) in gastropods related to surface sediments in the estuarine river system of Kerteh, Dungun, Terengganu

Abstract

The research was conducted at Kerteh Estuaries, which 30 km from the river is a Kerteh Petroleum Industries located. The aims is to evaluate the many sources of pollution such as fishing village, oil spill from the sand mining and drainage from the petroleum industries considering surface runoff and drainage system. Though, it cannot be related directly but it is essential to conduct a research so that preliminary assessment could be conduct if needed. This research is focusing on mollusk phyla class Gastropoda because of it behavior suit to become a biological monitoring devices. Initially, 5 stations were chosen randomly according to GPS reading. Sampling was done twice, first during the post monsoon season, end of July and second sampling during the pre-monsoon season, end of December.