Microplastics in Sediment and Surface Water of West Dongting Lake and South Dongting Lake: Abundance, Source and Composition

Changbo Jiang, Lingshi Yin, Xiaofeng Wen, Chunyan Du, Lixue Wu, Yuannan Long, Yizhuang Liu, Yuan Ma, Qide Yin, Zhenyu Zhou and Hemin Pan
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Changbo Jiang: School of Hydraulic Engineering, Changsha University of Science & Technology, Changsha 410114, China
Lingshi Yin: School of Hydraulic Engineering, Changsha University of Science & Technology, Changsha 410114, China
Xiaofeng Wen: College of Environmental Science and Engineering, Ministry of Education, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Changsha 410082, China
Chunyan Du: School of Hydraulic Engineering, Changsha University of Science & Technology, Changsha 410114, China
Lixue Wu: School of Hydraulic Engineering, Changsha University of Science & Technology, Changsha 410114, China
Yuannan Long: School of Hydraulic Engineering, Changsha University of Science & Technology, Changsha 410114, China
Yizhuang Liu: School of Hydraulic Engineering, Changsha University of Science & Technology, Changsha 410114, China
Yuan Ma: School of Hydraulic Engineering, Changsha University of Science & Technology, Changsha 410114, China
Qide Yin: School of Chemistry and Biological Engineering, Changsha University of Science & Technology, Changsha 410114, China
Zhenyu Zhou: School of Hydraulic Engineering, Changsha University of Science & Technology, Changsha 410114, China
Hemin Pan: School of Hydraulic Engineering, Changsha University of Science & Technology, Changsha 410114, China

IJERPH, 2018, vol. 15, issue 10, 1-15

Abstract: Microplastic pollution was investigated in sediment and surface water in West Dongting Lake and South Dongting Lake for the first time. The abundance of microplastics ranged from 616.67 to 2216.67 items/m 3 and 716.67 to 2316.67 items/m 3 in the lakeshore surface water of West Dongting Lake and South Dongting Lake, respectively. The highest levels of microplastic pollution were found in the lakes’ outlets. In the lake center sites of the West Dongting Lake and South Dongting Lake, the abundance of microplastics ranged from 433.33 to 1500 items/m 3 and 366.67 to 1566.67 items/m 3 , respectively. Meanwhile, the study found that in lakeshore sediment of West Dongting Lake and South Dongting Lake, microplastic concentrations ranged from 320 to 480 items/m 3 and 200–1150 items/m 3 . Polystyrene (PS) and polyethylene terephthalate (PET) were most common in the surface water and sediment samples, respectively. In addition, we suggest that the effects of polymer types in microplastics should be taken into account when considering abundance. This study can provide valuable points of reference to better understanding microplastic pollution in inland freshwater areas.

Keywords: microplastic; Dongting Lake; surface water; sediment (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2018
References: View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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