Volume 16 Issue 3
Sep.  2023
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Nur Azalina Suzianti Feisal, Noor Haziqah Kamaludin, Muhammad Firdaus Abdullah Sani, Dayang Khairulnisa Awang Ahmad, Mohd Azwan Ahmad, Nur Faiza Abdul Razak, Tengku Nilam Baizura Tengku Ibrahim. 2023: Anthropogenic disturbance of aquatic biodiversity and water quality of an urban river in Penang, Malaysia. Water Science and Engineering, 16(3): 234-242. doi: 10.1016/j.wse.2023.01.003
Citation: Nur Azalina Suzianti Feisal, Noor Haziqah Kamaludin, Muhammad Firdaus Abdullah Sani, Dayang Khairulnisa Awang Ahmad, Mohd Azwan Ahmad, Nur Faiza Abdul Razak, Tengku Nilam Baizura Tengku Ibrahim. 2023: Anthropogenic disturbance of aquatic biodiversity and water quality of an urban river in Penang, Malaysia. Water Science and Engineering, 16(3): 234-242. doi: 10.1016/j.wse.2023.01.003

Anthropogenic disturbance of aquatic biodiversity and water quality of an urban river in Penang, Malaysia

doi: 10.1016/j.wse.2023.01.003

This work was supported by NaturePRO Services, Port Dickson, Negeri Sembilan, Malaysia.

  • Received Date: 2022-06-27
  • Accepted Date: 2023-01-13
  • Rev Recd Date: 2022-12-29
  • Malaysia's rapid economic and demographic development have placed negative pressure on its water supplies and the quality of the Juru River, which is close to the nation's capital and its major source of water. Healthy aquatic ecosystems are supported by physicochemical properties and biological diversity. This study evaluated the anthropogenic impacts on aquatic biodiversity, especially plankton, fish, and macrobenthos, as well as the water quality of the Juru River in the Penang area. Aquatic biodiversity and river water parameters were collected from ten sampling stations along the Juru River. Seven variables were used to assess the physicochemical environment: pH, temperature, total suspended solids (TSS), salinity, dissolved oxygen (DO), biochemical oxygen demand (BOD), and chemical oxygen demand. At each sampling station, the total number of plankton, fish, and macrobenthic taxa were counted and analyzed. The relationships between the physicochemical parameters and aquatic biodiversity were investigated with biotypological analysis, principal component analysis, hierarchical cluster analysis, and linear regression analysis. These analyses showed that the richness and diversity indices were generally influenced by salinity, temperature, TSS, BOD, and pH. The data obtained in this study supported the bioindicator concept. The findings, as they related to scientifically informed conservation, could serve as a model for Juru River management, as well as for river management throughout Malaysia and other tropical Asian countries.


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