期刊
出版社
MDPI
DOI: 10.3390/ijerph16091650
关键词
microplastic; Changsha; urban lakes; surface water; pollution
资金
- Program for the National Natural Science Foundation of China [91647118, 51839002, 51809020]
- Natural Science Foundation of Hunan province [2018JJ3549, 2018JJ3535]
- Hunan Provincial Innovation Foundation for Postgraduates [CX2018B539]
As emerging pollutants, microplastics have attracted the attention of scholars from all over the world. However, there is a lack of research on freshwater areas, even in densely populated urban areas. This study investigated eight urban lakes in Changsha, China. It was found that microplastic concentrations ranged from 2425 +/- 247.5 items/m(3) to 7050 +/- 1060.66 items/m(3) in the surface water of research areas and the maximum concentration was found in Yuejin Lake, a tourist spot in the center of the city. Anthropogenic factors are an important reason for microplastic abundance in urban lakes. The major shape of microplastics was linear and most of the microplastics were transparent. More than 89.5% of the microplastics had a size of less than 2 mm. Polypropylene was the dominant type in the studied waters. This study can provide a valuable reference for a better understanding of microplastic pollution in urban areas of China.
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