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Article

Temporal and Spatial Distribution of Microplastics in a Coastal Region of the Pearl River Estuary, China

1
South China Institute of Environmental Science, Ministry of Ecology and Environment, Guangzhou 510345, China
2
Guangzhou Huake Environmental Protection Engineering CO., Ltd., Guangzhou 510655, China
*
Authors to whom correspondence should be addressed.
Academic Editor: Alistair Borthwick
Water 2021, 13(12), 1618; https://doi.org/10.3390/w13121618
Received: 14 May 2021 / Revised: 30 May 2021 / Accepted: 1 June 2021 / Published: 8 June 2021
This study conducted an analysis of microplastics (MPs) pollution in a coastal region of the Pearl River Estuary (PRE) in the South China Sea. The results show that the abundance of MPs during the rainy season reached 545.5 particles m−3, which was 1.85-fold higher than during the dry season. The spatial distribution of MPs also varied offshore in the following order: the river > estuary > sea. The average abundance of MPs in the river was 1.17-fold higher than that of the estuary and 4.65-fold higher than that of the marine environment. There were large amounts of gray, white, and green MPs, and about 53.5–73.9% of the MPs were less than 0.5 mm. The main forms of MPs were fibers, granules, fragments, and films. MPs composed of polyethylene accounted for 35.7–38.8%. PCA analysis showed that MPs carried by the river were an important source of MP pollution in the coastal waters. View Full-Text
Keywords: microplastics; Pearl River Estuary; coastal pollution; marine environment microplastics; Pearl River Estuary; coastal pollution; marine environment
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MDPI and ACS Style

Li, S.; Wang, Y.; Liu, L.; Lai, H.; Zeng, X.; Chen, J.; Liu, C.; Luo, Q. Temporal and Spatial Distribution of Microplastics in a Coastal Region of the Pearl River Estuary, China. Water 2021, 13, 1618. https://doi.org/10.3390/w13121618

AMA Style

Li S, Wang Y, Liu L, Lai H, Zeng X, Chen J, Liu C, Luo Q. Temporal and Spatial Distribution of Microplastics in a Coastal Region of the Pearl River Estuary, China. Water. 2021; 13(12):1618. https://doi.org/10.3390/w13121618

Chicago/Turabian Style

Li, Siyang, Yilin Wang, Lihong Liu, Houwei Lai, Xiancan Zeng, Jianyu Chen, Chang Liu, and Qijin Luo. 2021. "Temporal and Spatial Distribution of Microplastics in a Coastal Region of the Pearl River Estuary, China" Water 13, no. 12: 1618. https://doi.org/10.3390/w13121618

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