Sains Malaysiana 37(4): 331-336(2008) 

(A Preliminary Study on the Behaviour of Physical Parameters and Phosphate-Based Nutrients in Dungun River Estuary, Terengganu) 

Suhaimi Suratman, Norhayati Mohd Tahir  & Mohd Shafaril Mohd Amin

Diserahkan:  13 Februari 2008 / Diterima:   4 April 2008

ABSTRAK

Taburan parameter fizikal, jumlah pepejal terampai (TSS), klorofil-a dan nutrien berasaskan fosfat telah dikaji di muara Sungai Dungun. Pada umumnya, kesemua parameter yang diukur menunjukkan sifat tak konservatif daripada garis pencairan teori. Analisis terhadap nutrien berasaskan fosfat menunjukkan perubahan kepekatan ortofosfat dan total fosfat masing-masing dalam julat 6.3-23.3 µg/L P dan 5.5-133.9 µg/L P. Hasil kajian juga menunjukkan taburan nutrien berasaskan fosfat dipengaruhi oleh parameter fizikal, TSS dan klorofil-a. Faktor-faktor antropogenik juga menyumbang kepada tingginya kepekatan ortofosfat dan total fosfat yang didapati terutamanya di kawasan pertengahan muara sungai. 

Kata kunci:  Muara; nutrien berasaskan fosfat; parameter fizikal

ABSTRACT 

The distribution of physical parameters of total suspended solids (TSS), chlorophyll-a and phosphate-based nutrients was monitored in Dungun River estuary. Generally, all the parameters measured appear to behave as non-conservative from the theoretical dilution line. Analyses of phosphate-based nutrients showed variation in the concentrations of orthophosphate and total phosphate with values ranging from 6.3-23.3 µg/l P and 5.5-133.9 µg/l P, respectively. The results also showed that TSS and chlorophyll-a exerted an influence on the distribution of phosphate-based nutrients. It is postulated that anthropogenic factors also contributed to the relatively high concentration of orthophosphate and total phosphate observed in particular at the middle reaches of the estuary.

Keywords:  Estuary; physical parameters; phosphate-based nutrients 

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