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Sediment Pollution Process and Microbial Responses in Aquatic Environment

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Water Quality and Contamination".

Deadline for manuscript submissions: 28 February 2026 | Viewed by 427

Special Issue Editors


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Guest Editor
National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
Interests: environmental health; lake ecology; emerging pollutants; migration and transformation of pollutants; environmental risk assessment
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Guest Editor
College of Environmental Science and Engineering, Donghua University, Shanghai, China
Interests: heavy metal adsorption; seasonal characteristics of phosphorus sorption; sediment contamination control
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Nutrients such as phosphorus and nitrogen, and pollutants such as heavy mentals, microplastics, and antibiotics, are released into the surface aquatic environment from agricultural, industrial, and municipal sources, posing risks to human health. As one of the most significant mediums in the aquatic environment, sediment plays a crucial role in the migration and transformation of these pollutants. The physical and chemical properties of sediments, the environmental conditions at the sediment–water interface, and microbial communities are all important factors influencing the environmental behavior of pollutants. In addition, the migration and transformation of pollutants in sediments can alter the properties of sediment and the interface conditions, thus affecting microbial activities. This Special Issue welcomes the submission of articles that address scientific issues such as the mechanism of sediment pollution and the responses of microbial communities to these processes. We also welcome the submission of original research, novel methods and protocols, and reviews.

Dr. Fei-Fei Che
Dr. Wei Huang
Guest Editors

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Keywords

  • sediment
  • nutrient
  • heavy mentals
  • antibiotics
  • migration and transformation
  • microbial community
  • influencing mechanism

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Published Papers (1 paper)

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Research

15 pages, 2209 KiB  
Article
Exploration of Phosphorus Release Characteristics in Sediments from the Plains River Network: Vertical Distribution and the Response of Phosphorus and Microorganisms
by Xiaoshuang Dong, Haojie Chen, Yongsheng Chang, Xixi Yang, Haoran Yang and Wei Huang
Water 2025, 17(15), 2196; https://doi.org/10.3390/w17152196 - 23 Jul 2025
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Abstract
Plains River networks are important natural ecosystems that play a vital role in storing, draining, conserving, and purifying water. This study selected the river network in the northern plain of Jiaxing as the research area. Samples were collected in October 2023. Sediments were [...] Read more.
Plains River networks are important natural ecosystems that play a vital role in storing, draining, conserving, and purifying water. This study selected the river network in the northern plain of Jiaxing as the research area. Samples were collected in October 2023. Sediments were collected using a sampler and divided into five layers according to the collection depth, namely the surface layer (5 cm), the second layer (15 cm), the third layer (25 cm), the fourth layer (35 cm), and the bottom layer (45 cm). This study analyzed the vertical distribution of each form of phosphorus, the vertical distribution of the microbial community, and the response between the two in the sediments of this plain river network. The results showed high sediment TP concentrations (633.9–2534.7 mg/kg) in this plain river network. The vertical distribution trend of Fe-P was almost the same as that of TP and had the highest concentration (134.9–1860.1 mg/kg). Ca-P is the second highest phosphorus content, which is also an inert phosphorus component, as well as Al-P, and both exhibit a relatively low percentage of surface layers. Proteobacteria, Firmicutes, Bacteroidetes, and Actinobacteria showed heterogeneity in the vertical distribution of sediments. The river network sediments in the Plains River have a high potential for phosphorus release, with most sites acting as phosphorus “sources”. The sediments in the second of these layers show a strong tendency to release phosphorus. Bottom sediments have a low capacity to both adsorb and release phosphorus. The findings of this study will provide a theoretical foundation for the prevention and management of river networks in this plain. Full article
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