Microplastic risk assessment in surface waters: A case study in the Changjiang Estuary, China

被引：464

作者：

Xu, Pei ^{[1
]}

Peng, Guyu ^{[1
]}

Su, Lei ^{[1
]}

Gao, Yongqiang ^{[1
]}

Gao, Lei ^{[1
]}

Li, Daoji ^{[1
]}

机构：

[1] East China Normal Univ, State Key Lab Estuarine & Coastal Res, Shanghai 200062, Peoples R China

来源：

MARINE POLLUTION BULLETIN | 2018年 / 133卷

关键词：

Microplastics; Changjiang Estuary; Risk assessment; Polymer; Pollution load index; PLASTIC PARTICLES; YANGTZE ESTUARY; HEAVY-METAL; SEDIMENTS; COASTAL; SEA; POLLUTION; MESOPLASTICS; ACCUMULATION; TRANSPORT;

D O I：

10.1016/j.marpolbul.2018.06.020

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The rapid development of plastic industry has resulted in a series of environmental problems caused by microplastics originating from larger plastics. Microplastic pollution risk in surface waters of the Changjiang Estuary was explored based on risk assessment models. The average microplastic concentration was 23.1 +/- 18.2 n/100 L Shape, size, color and composition types of microplastics were examined. The risk assessment models were developed using data on both the concentration and chemical hazard of microplastic polymers. Assessment results indicated that polyvinyl chloride exhibited a critical concern for microplastic risk. Areas around aquaculture farms were regarded as "hotspots" of microplastic pollution due to the accumulation of microplastics and the presence of hazardous microplastic. This risk assessment of microplastics bridged gaps in understanding between field research and policy-making for surface waters. This research provides baseline data for assessing the environmental risk of microplastics in this growing area of research.

引用

页码：647 / 654

页数：8

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