Occurrence and Ecological Risk Assessment of Perfluoroalkyl Substances (PFASs) in Water and Sediment from an Urban River in South China

2021 ◽  
Author(s):  
Yuanyuan Si ◽  
Jiankun Huang ◽  
Zhihong Liang ◽  
Guoqiang Liu ◽  
Da Chen ◽  
...  
Keyword(s):  
Risk Assessment ◽  
Ecological Risk ◽  
South China ◽  
Ecological Risk Assessment ◽  
Urban River ◽  
Perfluoroalkyl Substances ◽  
Water And Sediment

Contamination and ecological risk assessment of heavy metals in water and sediment from hubs of fish resource river in a developing country

Toxin Reviews ◽  
2021 ◽  
pp. 1-16
Author(s):  
Mir Mohammad Ali ◽  
Mohammad Lokman Ali ◽  
Md. Refat Jahan Rakib ◽  
Md. Saiful Islam ◽  
Ahasan Habib ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Risk Assessment ◽  
Developing Country ◽  
Ecological Risk ◽  
Ecological Risk Assessment ◽  
Water And Sediment

scholarly journals Heavy Metals Distribution, Sources, and Ecological Risk Assessment in Huixian Wetland, South China

Water ◽  
2020 ◽  
Vol 12 (2) ◽  
pp. 431
Author(s):  
Liangliang Huang ◽  
Saeed Rad ◽  
Li Xu ◽  
Liangying Gui ◽  
Xiaohong Song ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Risk Assessment ◽  
Ecological Risk ◽  
South China ◽  
Ecological Risk Assessment ◽  
Risk Index ◽  
Pollution Index ◽  
Principal Component ◽  
Potential Ecological Risk ◽  
Anthropogenic Sources

This research has focused on the source identification, concentration, and ecological risk assessment of eight heavy metals in the largest karst wetland (Huixian) of south China. Numerous samples from superficial soil and sediment within ten representative landuse types were collected and examined, and the results were analyzed using multiple methods. Single pollution index (Pi) results were underpinned by the Geoaccumulation index (Igeo) method, in which Cd was observed as the priority pollutant with the highest contamination degree in this area. As for the most polluted landuse type, via applying Nemerow’s synthetical contamination index (PN) and Potential ecological risk index (RI), the river and rape field posed the highest ecological risks, while moderate for the rest. To quantify the drivers of the contaminants, a principal component analysis (PCA) was carried out and weathering of the watershed’s parent carbonate rocks was found to be the main possible origin, followed by anthropogenic sources induced by agricultural fertilizer. Considering the impacts of these potentially toxic elements on public health, the results of this study are essential to take preventive actions for environmental protection and sustainable development in the region.

Ecological risk assessment of trace metals and comprehensive contamination indicators in the coastal waters of Macao, South China Sea

2020 ◽  
Vol 154 ◽  
pp. 110718
Author(s):  
Haijun He ◽  
Chao Zhang ◽  
Xueli Chen ◽  
Xiangqing Huang ◽  
Huayang Gan ◽  
...  
Keyword(s):  
Risk Assessment ◽  
Trace Metals ◽  
South China Sea ◽  
Ecological Risk ◽  
South China ◽  
Ecological Risk Assessment ◽  
Coastal Waters ◽  
China Sea
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