Spatial variability of microplastic pollution on surface of rivers in a mountain-plain transitional area: A case study in the Chin Ling-Wei River Plain, China

Inland lakes and rivers are large reservoirs of microplastics. But currently, not too much research was done on microplastics of mountain rivers. The protection of water sources from microplastics is extremely significant for the safety of human drinking water. We quantified the distribution and var...

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Published in:Ecotoxicology and environmental safety 2022-03, Vol.232, p.113298-113298, Article 113298
Main Authors: Bian, Pengyang, Liu, Yixuan, Zhao, Kaihui, Hu, Yue, Zhang, Jie, Kang, Le, Shen, Weibo
Format: Article
Language:English
Subjects:
Chin
China
Environmental Monitoring
Humans
Land-use types
Microplastics
Mountain-plain transitional area
Plastics
Pollution risk assessment
Topography
Water Pollutants, Chemical - analysis
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description Inland lakes and rivers are large reservoirs of microplastics. But currently, not too much research was done on microplastics of mountain rivers. The protection of water sources from microplastics is extremely significant for the safety of human drinking water. We quantified the distribution and variation of microplastics in the surface water from tributary (upstream water-source regions) to main stream (human settlements) in the Chin Ling-Wei River Plain Rivers, and assessed the pollution risk. Rivers in the Chin Ling-Wei River Plain contained various levels of microplastics (2.30–21.05 items/L), and the main stream of the river contained higher concentrations most commonly of microplastics than tributaries. The microplastics were fragments and films; they constituted 82.3% of the total abundance of microplastics. Microplastics with a particle size
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[Display omitted] •Microplastics in small-scale rivers of mountain-plain transitional area were quantified.•Microplastics pollution in mountainous areas came from agriculture and tourism.•Urbanization increased the risk of microplastics pollution in rivers.•River embankment protection projects led to an increase in microplastics.</description><identifier>ISSN: 0147-6513</identifier><identifier>EISSN: 1090-2414</identifier><identifier>DOI: 10.1016/j.ecoenv.2022.113298</identifier><identifier>PMID: 35152111</identifier><language>eng</language><publisher>Netherlands: Elsevier Inc</publisher><subject>Chin ; China ; Environmental Monitoring ; Humans ; Land-use types ; Microplastics ; Mountain-plain transitional area ; Plastics ; Pollution risk assessment ; Topography ; Water Pollutants, Chemical - analysis</subject><ispartof>Ecotoxicology and environmental safety, 2022-03, Vol.232, p.113298-113298, Article 113298</ispartof><rights>2022 The Authors</rights><rights>Copyright © 2022 The Authors. 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subjects Chin
China
Environmental Monitoring
Humans
Land-use types
Microplastics
Mountain-plain transitional area
Plastics
Pollution risk assessment
Topography
Water Pollutants, Chemical - analysis
title Spatial variability of microplastic pollution on surface of rivers in a mountain-plain transitional area: A case study in the Chin Ling-Wei River Plain, China
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