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Article

A Regional Difference Analysis of Microplastic Pollution in Global Freshwater Bodies Based on a Regression Model

1
School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China
2
College of Civil Engineering, Sichuan Agricultural University, Chengdu 611830, China
3
Wuhan Planning and Design Company, Wuhan 430014, China
*
Author to whom correspondence should be addressed.
Water 2020, 12(7), 1889; https://doi.org/10.3390/w12071889
Received: 12 May 2020 / Revised: 27 June 2020 / Accepted: 30 June 2020 / Published: 2 July 2020
(This article belongs to the Special Issue Environmental Chemistry of Water Quality Monitoring)
Based on statistical data of the average abundance of microplastics from 37 global freshwater locations up to November 2019, we classified the freshwater bodies according to developments in their local countries and geographic positions. We highlighted the differences and causes of microplastic pollution in the waters of both developed and developing countries and urban and rural areas. The results showed that microplastic pollution was highest in Asia. The pollution in developed countries was significantly lower than in developing countries. The differences in freshwater pollution between urban and rural areas mainly depended on the extent of human activity. The present study found the following phenomena by comprehensively using simple and multiple regression models and a Pearson correlation analysis to solve the impacts of the features, natural factors, and social and economic factors on the distribution of microplastic pollution. The density of microplastics was higher, which promoted the aggregation of microplastics in sediments. Pursuant to that, microplastic pollution was also influenced by the space-time pollution of movable surface sources, such as the soil and air. A population increase and the average gross domestic product (GDP) could also worsen microplastic pollution. View Full-Text
Keywords: microplastic pollution; freshwater bodies; regional difference; regression model microplastic pollution; freshwater bodies; regional difference; regression model
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MDPI and ACS Style

Chen, H.; Qin, Y.; Huang, H.; Xu, W. A Regional Difference Analysis of Microplastic Pollution in Global Freshwater Bodies Based on a Regression Model. Water 2020, 12, 1889. https://doi.org/10.3390/w12071889

AMA Style

Chen H, Qin Y, Huang H, Xu W. A Regional Difference Analysis of Microplastic Pollution in Global Freshwater Bodies Based on a Regression Model. Water. 2020; 12(7):1889. https://doi.org/10.3390/w12071889

Chicago/Turabian Style

Chen, Hanwen, Yinghuan Qin, Hao Huang, and Weiyi Xu. 2020. "A Regional Difference Analysis of Microplastic Pollution in Global Freshwater Bodies Based on a Regression Model" Water 12, no. 7: 1889. https://doi.org/10.3390/w12071889

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