Nutrient Concentration Distribution in Sediment and Overlying Water at Bukit Merah Reservoir, Perak

Talib, S. H. A.; Yusoff, Mohd Suffian; Hasan, Zorkeflee Abu; Ismail, Wan Ruslan; Abustan, Muhammad Salleh

doi:10.1051/matecconf/20164705004

Cited by 7 publications

(2 citation statements)

References 15 publications

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“…The coverage of plants in these wetlands is typically associated with elevated OM content in the sediments. OM plays a crucial role in fixing N and P through biological growth and metabolism, thereby serving as the primary mechanism for wetlands to store and retain these nutrients (W. Huang et al., 2015; Talib et al., 2016). The findings of this study indicate a significant correlation between OM and the contents of TN, nitrate‐nitrogen, and nitrite‐nitrogen (Figure 5).…”

Section: Discussionmentioning

confidence: 99%

Seasonal impact of constructed wetlands on nitrogen and phosphorus in sediments of flood control lakes with pollution assessment

Li,

Liu,

Huang

et al. 2024

J of Env Quality

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The primary drivers of eutrophication in lakes following the reduction of external nutrient inputs are the release of N and P from sediments. Constructed wetlands play a pivotal role in ameliorating N, P, and other biogenic element levels. However, the presence of large vegetation in these wetlands also substantially contributes to nutrient accumulation in sediments, a phenomenon influenced by seasonal variations. In this study, a typical constructed wetland was selected as the research site. The research aimed to analyze the forms of N and P in sediments during both summer and winter. Simultaneously, a comprehensive pollution assessment and analysis were conducted within the study area. The findings indicate that elevated summer temperatures, together with the presence of wetland vegetation, promote the release of N through the nitrification process. Additionally, seasonal variations exert a significant impact on the distribution of P storage. Furthermore, the role of constructed wetlands in the absorption and release of N and P is primarily controlled by the influence of organic matter on nitrate‐nitrogen, nitrite‐nitrogen, and available phosphorus, and is also subject to seasonal fluctuations. In summary, under the comprehensive influence of constructed wetlands, vegetation types, and seasons, sediments within the lake generally exhibit a state of mild or moderate pollution. Therefore, targeted measures should be adopted to optimally adjust vegetation types, and human intervention is necessary, involving timely sediment harvesting during the summer to reduce N and P loads, and enhancing sediment adsorption and retention capacity for N and P during the winter.

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Section: Discussionmentioning

confidence: 99%

Seasonal impact of constructed wetlands on nitrogen and phosphorus in sediments of flood control lakes with pollution assessment

Li,

Liu,

Huang

et al. 2024

J of Env Quality

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“…However, no study has been undertaken on reservoir water quality during the dry season. In addition, variability in the spatial distribution of nutrients and sediment determines the reservoir water quality characteristics [ 20 ].…”

Section: Introductionmentioning

confidence: 99%

Physicochemical Characterization of Dembi Reservoir Water for Suitability of Fish Production, Southwest Ethiopia

Chekole

Kassà

Aschalew

et al. 2022

Biochemistry Research International

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Reservoir water physicochemical characteristics provide important information about water suitability for fish production. Accordingly, the study aimed to characterize the physicochemical characteristics of Dembi reservoir water for sustainable fish production. The study was conducted in Dembi reservoir during the dry season. Water samples were collected in triplicate from selected 10 sampling sites of the reservoir water using manually prepared water sampler made from polyvinyl chloride (PVC) tube. The depth integrated sampling technique was employed to take water samples for all physicochemical characteristics analysis. From the selected 14 physicochemical characteristics, four (temperature, electrical conductivity, pH, and dissolved oxygen) were tested onsite using a multisystem HQ4d electronic meter (probe), whereas the rest 10 water quality characteristics were tested in the laboratory. The result showed that the current average depth of the dam was 5.6 ± 1.61 m. The overall mean values of the water quality characteristics at different sites of the reservoir were as follows: turbidity (26.4 ± 0.44 FTU), total hardness (22.2 ± 0.51 mgL−1), NO3 (5.4 ± 0.48 mgL−1), NO2 (0.3 ± 0.11 mgL−1), NH4 (2.1 ± 0.06 mgL−1), PO4−3 (1.7 ± 0.27 mgL−1), total alkalinity (52.5 ± 0.91 mgL−1), and BOD5 (2.7 ± 0.24 mgL−1). There was a significant difference ( p < 0.05 ) in all physicochemical characteristics among 10 sampling sites of the reservoir water. The recorded values of all physicochemical characteristics, except NO2, NH4, and PO4−3, were found within the recommended standard limit for fish production. The change in reservoir water depth and increase in nutrients shows the presence of sediment siltation and nutrient enrichment. Therefore, proper watershed management practices and waste management should be carried out for sustainable water quality maintenance and fish production.

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Nutrients dynamics in water and sediment of the Bonny Estuary, Niger Delta, Nigeria

Nafagha-Lawal

Ojimelukwe

Lelei

et al. 2022

Environ Monit Assess

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Nutrient Concentration Distribution in Sediment and Overlying Water at Bukit Merah Reservoir, Perak

Cited by 7 publications

References 15 publications

Seasonal impact of constructed wetlands on nitrogen and phosphorus in sediments of flood control lakes with pollution assessment

Seasonal impact of constructed wetlands on nitrogen and phosphorus in sediments of flood control lakes with pollution assessment

Physicochemical Characterization of Dembi Reservoir Water for Suitability of Fish Production, Southwest Ethiopia

Nutrients dynamics in water and sediment of the Bonny Estuary, Niger Delta, Nigeria

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