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Water Quality Monitoring Using Aquatic Insect Communities in<br />

Selected Streams of Tasik Kenyir, Terengganu.<br />

Pang Suk Mei<br />

Supervisor: Assoc. Prof. Dr Wahizatul Afzan Binti Azmi<br />

Co Supervisor: Dr Amirrudin Bin Ahmad<br />

Bachelor of Applied Science<br />

(Biodiversity Conservation and Management)<br />

School of Marine and Environmental Sciences<br />

Aquatic insects are useful biomonitoring tool that provide historical insight of<br />

water quality of a stream. The aim of this study were to investigate the<br />

composition and abundance of aquatic insects in several rivers of Tasik Kenyir<br />

and to determine the relationship between aquatic insect assemblages and<br />

water quality based on biotic and ecological indices. A total number of 2739<br />

individuals of aquatic insects representing 42 families from seven orders were<br />

collected at eight rivers of Tasik Kenyir using disturbance-removal technique.<br />

Baetidae (Ephemeroptera) was the most dominant and abundantly found family<br />

at all streams except Sungai Saok. Physico-chemical and biological data overall<br />

showed that the streams in Tasik Kenyir were at the range from very good to<br />

poor water condition. This study was urgently needed and important to show<br />

the diversity of the aquatic insects can be used as bioindicator for water quality<br />

monitoring in conjunction with other water parameters.<br />

1759 | UMT UNDERGRADUATE RESEARCH DAY 2018

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