Acknowledgements

This research was supported by Ministry of Science and Technology of Malaysia, e-Science Fund grant (No. 04-03-09-SF0003). The authors are thankful to Kerian District, Perhilitan RAMSAR Tasek Bera and Syarikat Air Melaka Berhad for allowing us to conduct the research in field. Special thanks to Dr. Saim Suratman and Ir. Ahmad Jamalluddin Shaaban for their helpful support in this project and Kamasuahadi Yasin, Nizam, and Shukor for their technical support in the field.
