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Journal of Biological Sciences

Year: 2002 | Volume: 2 | Issue: 1 | Page No.: 28-31
DOI: 10.3923/jbs.2002.28.31
The Effect of WQI on the Distribution of Fish in Labu River Systemin Sub-Langat Basin, Malaysia
Mohd. Rozali Othman, Abdullah Samat and Lim Sun Hoo

Abstract: A study on the effect of water quality towards distribution of fish community has been conducted in Labu River System and two selected sites in Langat River. Investigation on the impact of DOE-WQI parameters on the fish abundant was the main focus in this research. Six parameters viz nitrogen ammonia (NH -N), biochemical oxygen demand (BOD), chemical oxygen demand (COD), dissolved 3 oxygen (DO), pH and suspended solid (SS) are employed to calculate the water quality index (WQI). The recorded DOE-WQI was used to classify status of the rivers according to river classification scheme. Fish community shown species which tolerance with polluted environmental were being able to live in the rivers. Uppertream of the Labu River System exhibits larger number of fish (p<0.05) than downstream. Based on the acquired fish community, Langat River has experience direct adverse effect by waterborne pollutants from Labu River System. SS was the main contributor in determine the existence of fish community. Decreasing of the abundance and species of fish were also due to anthropogenic pollutants.

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How to cite this article
Mohd. Rozali Othman, Abdullah Samat and Lim Sun Hoo , 2002. The Effect of WQI on the Distribution of Fish in Labu River Systemin Sub-Langat Basin, Malaysia. Journal of Biological Sciences, 2: 28-31.

Keywords: Labu river system, langat river, DOE-WQI and fish community

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