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Effect of Water Quality to Fish Abundance and Chlorophyll a (Selected Aquatic Organisms)
in Labu River System, Malaysia |
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Mohd. Rozali Othman ,
Abdullah Samat and Lim Sun Hoo |
Abstract:
Determination of fish abundance and chlorophyll a concentration were carried out in Labu
River System and two selected location at Langat River. Collection of fish specimen has
been done between November 1999 and November 2000. Examination of chlorophyll a and
several selected physico-chemical parameters were conducted from December 1999 to July
2000. The effect of water quality to the existence selected aquatic organisms was the main
approach of this study. Twelve hardy species of fishes that tolerance with polluted
environmental have been recorded. The obtained result indicates that abundance of fish is
independent with pH and temperature. However, Total Suspended Solid (TSS), ammonia-nitrogen (NH3-N) and dissolved oxygen (DO) have posed adverse impact on the distribution
of fishes in the study ecosystem. Based on the Correlation Test performed shown linear
correlation between chlorophyll a and pH was r=0.42, temperature (r=0.29), ammonium
(NH4+) (r=0.52), nitrite (NO2-) (r=-0.16), nitrate (NO3-) (r=-0.10), phosphate reactive (PO43-) (0.39), phosphorus (P) (r=0.39), sulphide (S2-) (r=-0.07), sulpfate (SO42-) (r=0.63),
calcium (Ca) (r=0.63), cadmium (Cd) (r=0.09), cuprum (Cu) (r=0.32), ferum (Fe)
(r=0.30), magnesium (Mg) (r=0.47), manganese (Mn) (r=0.48), plumbum (Pb) (r=0.43)
and zinc (Zn) (r=-0.02). TSS has not reveal significant impact to the detectable level of
chlorophyll a in aquatic system
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How to cite this article:
Mohd. Rozali Othman , Abdullah Samat and Lim Sun Hoo , 2001. Effect of Water Quality to Fish Abundance and Chlorophyll a (Selected Aquatic Organisms)
in Labu River System, Malaysia. Journal of Biological Sciences, 1: 1178-1182.
DOI: 10.3923/jbs.2001.1178.1182
URL: https://scialert.net/abstract/?doi=jbs.2001.1178.1182
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