The impact of water quality on the Asian Clam, Corbicula fluminea, distribution in Pergau Lake, Kelantan, Malaysia

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Center for Applied Research on the Environment & Sustainability

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Aweng Eh Rak, Zulhisyam Abdul Kari, Mohd Zharif Ramli, Hasnita Che Harun, Suniza Anis Mohamad Sukri, Hazreen Nita Mohd Khalid, Faizuan Abdullah, Mahmoud A.O. Dawood, Wendy Wee, Lee Seong Wei

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Research Article

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Saudi Journal of Biological Sciences

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In the present study described the impact of water quality on the Asian clam, Corbicula fluminea, distribution in man – made Pergau Lake was carried out. Recently, Pergau Lake was gazette as state park and any activities related to fishery and agricultural were not allowed in the park. Subsequently, the nearby lake community was affected as many of them earn a living by carrying fisheries activity in the lake especially harvesting Asian clam. 10 sampling sites were selected in the lake to monitor water quality and Asian clam distribution. Water parameters data were also subjected to cluster analysis by using Ward’s method with squared Euclidean distances as a measure of similarity and a dendrogram was successfully generated. The water quality of the lake is under good condition and suitable to carry fishery activities by referred to Malaysia National Water Quality Standards (NWQS). The dendrogram revealed that the sampling sites can be divided into 2 clusters where Location 1 alone in its own cluster. Another cluster possesses 2 sub-clusters where Location 2 and 3 shared similar sub cluster. Another sub-cluster has two groups namely Location 5, 6 and 8 in one group whereas Location 4, 7, 9 and 10 shared similar group. The findings of the present study showed most of sampled Asian clam in Pergau Lake was semi mature indicating highly exploitation of Asian clam in the Lake. Furthermore, there were no correlation was detected between the population of Asian clam and water quality of the lake. Hence, we suggest that seasonal harvesting Asian clam should be implemented in order to conserve the population of Asian clam in the lake at the mean time the community to continue earn a living through carrying fishery activities in the lake.

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