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Evaluate long-term shifts in water quality and identify major sources of riverine pollution across a multi-decade monitoring period.

October 20, 2023H2Open JournalOpen Access

Importance of baseline assessments: monitoring of Brunei River’s water quality

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Authors

OOOluwakemisola OnifadeUniversiti Brunei Darussalam NSNorazanita ShamsuddinLoughborough University DLDaphne Teck Ching LaiUniversiti Brunei Darussalam

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Implication

Longitudinal monitoring study reveals doubled coliform bacteria levels in the Brunei River, indicating anthropogenic degradation exceeding fishing safety standards.

Key Points

Evaluate long-term shifts in water quality and identify major sources of riverine pollution across a multi-decade monitoring period.
Analyzed 11 physicochemical and biological parameters across eight river monitoring stations during 1984, 2019, 2020, and 2021.
Employed box plot comparisons between 1984 and 2019–2021 data, alongside hierarchical cluster analysis and principal component analysis on recent measurements.
Total coliform bacteria concentrations doubled between 1984 and 2019+, surpassing Malaysia National Water Quality Standards baseline limits for fishing.
Hierarchical cluster analysis demonstrated that upstream monitoring stations experienced greater overall contamination than downstream sites.
Principal component analysis identified five factors accounting for 75.21% of the total variance, attributing degradation to anthropogenic activities, seawater intrusion, and hydrology.

Cite This Study

Onifade et al. (2023) studied this question.

synapsesocial.com/papers/6a7d086358b935a3e446c95d https://doi.org/10.2166/h2oj.2023.168

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Implication

Longitudinal monitoring study reveals doubled coliform bacteria levels in the Brunei River, indicating anthropogenic degradation exceeding fishing safety standards.

Importance of baseline assessments: monitoring of Brunei River’s water quality

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Implication

Key Points

Cite This Study

Importance of baseline assessments: monitoring of Brunei River’s water quality

Discussion

Member takes

Implication

Key Points

Cite This Study

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