Sains Malaysiana 40(2)(2011): 93–99

Microbiological Study in Coastal Water of Port Dickson, Malaysia

(Kajian Mikrobiologi Air di Pesisiran Pantai Port Dickson, Malaysia)

Ainon Hamzah*, Saiful Hazwa Kipli, Sitirahilismail, R Awlinsuna & Sukiman Sarmani

School of Biosciences and Biotechnology, Faculty of Science and Technology

Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, D.E.

Received: 25 August 2009 /Accepted: 12 August 2010

ABSTRACT

The microbial composition in coastal water of the Port Dickson beach in Negeri Sembilan, Malaysia was analyzed using several microbial indicators for the purpose of selecting the best indicator for marine water pollution. The indicators studied were total coliform (TC), fecal coliform (FC), fecal streptococci (FS) and coliphage. Five locations were selected along the Port Dickson beaches and samplings were carried out in 1998 and 2001. The results showed an increase in the number of total coliform (TC), fecal coliform (FC) and fecal streptococci (FS) between these two sampling by 98.12%, 86.12% and 99%, respectively. The numbers of TC, FC and FS exceeded the recommended limit for recreational seawater based on U.S. EPA 1986 standard. There was a positive correlation between TC, FC and FS and negative to coliphages.

Keywords: Coliphages; fecal coliform; fecal indicator; fecal streptococci; total coliform

ABSTRAK

Komposisi mikrob dalam air pesisiran pantai Port Dickson, Negeri Sembilan, Malaysia telah dianalisis dengan menggunakan beberapa penanda mikrob yang bertujuan untuk memilih penunjuk terbaik untuk pencemaran air laut. Penunjuk yang dikaji adalah koliform jumlah (TC), koliform tinja (FC), streptokokus tinja (FS) dan kolifaj. Lima lokasi dipilih di sepanjang pantai Port Dickson dan persampelan dijalankan pada tahun 1998 dan 2001. Keputusan menunjukkan peningkatan dalam bilangan koliform jumlah, koliform tinja dan streptokokus tinja di antara dua persampelan dengan nilai masing-masing 98.12%, 86.12% dan 99%. Nilai TC, FC dan FS adalah melebihi had yang dicadangkan untuk air laut rekreasi berdasarkan piawaian U.S. EPA 1986. Keputusan menunjukkan terdapat korelasi positif antara TC, FC dan FS dan korelasi negatif terhadap kolifaj.

Kata kunci: Kolifaj; koliform jumlah; koliform tinja; penunjuk tinja; streptokokus tinja

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*Corresponding author; email address: antara@ukm.my