Performance of biotic indices in comparison to chemical-based Water Quality Index (WQI) in evaluating the water quality of urban river

Wan Mohd Hafezul Wan Abdul Ghani, Ahmad Abas Kutty, Mohd Akmal Mahazar, Salman Abdo Al-Shami, Suhaila Ab Hamid

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

In order to evaluate the water quality of one of the most polluted urban river in Malaysia, the Penchala River, performance of eight biotic indices, Biomonitoring Working Party (BMWP), BMWPThai, BMWPViet, Average Score Per Taxon (ASPT), ASPTThai, BMWPViet, Family Biotic Index (FBI), and Singapore Biotic Index (SingScore), was compared. The water quality categorization based on these biotic indices was then compared with the categorization of Malaysian Water Quality Index (WQI) derived from measurements of six water physicochemical parameters (pH, BOD, COD, NH3-N, DO, and TSS). The river was divided into four sections: upstream section (recreational area), middle stream 1 (residential area), middle stream 2 (commercial area), and downstream. Abundance and diversity of the macroinvertebrates were the highest in the upstream section (407 individual and H′ = 1.56, respectively), followed by the middle stream 1 (356 individual and H′ = 0.82). The least abundance was recorded in the downstream section (214 individual). Among all biotic indices, BMWP was the most reliable in evaluating the water quality of this urban river as their classifications were comparable to the WQI. BMWPs in this study have strong relationships with dissolved oxygen (DO) content. Our results demonstrated that the biotic indices were more sensitive towards organic pollution than the WQI. BMWP indices especially BMWPViet were the most reliable and could be adopted along with the WQI for assessment of water quality in urban rivers.

Original languageEnglish
Article number297
JournalEnvironmental Monitoring and Assessment
Volume190
Issue number5
DOIs
Publication statusPublished - 1 May 2018

Fingerprint

Water quality
Rivers
water quality
river
biomonitoring
Dissolved oxygen
dissolved oxygen
index
chemical
biotic index
comparison
Biochemical oxygen demand
macroinvertebrate
Pollution
Water

Keywords

  • Biotic indices
  • River pollution
  • Urban river
  • Water quality assessment
  • WQI

ASJC Scopus subject areas

  • Environmental Science(all)
  • Pollution
  • Management, Monitoring, Policy and Law

Cite this

Performance of biotic indices in comparison to chemical-based Water Quality Index (WQI) in evaluating the water quality of urban river. / Wan Abdul Ghani, Wan Mohd Hafezul; Abas Kutty, Ahmad; Mahazar, Mohd Akmal; Al-Shami, Salman Abdo; Ab Hamid, Suhaila.

In: Environmental Monitoring and Assessment, Vol. 190, No. 5, 297, 01.05.2018.

Research output: Contribution to journalArticle

Wan Abdul Ghani, Wan Mohd Hafezul ; Abas Kutty, Ahmad ; Mahazar, Mohd Akmal ; Al-Shami, Salman Abdo ; Ab Hamid, Suhaila. / Performance of biotic indices in comparison to chemical-based Water Quality Index (WQI) in evaluating the water quality of urban river. In: Environmental Monitoring and Assessment. 2018 ; Vol. 190, No. 5.
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