文献类型： 外文期刊
作者： Lin, Bigui 1 ; Wang, Luya 1 ; Chen, Qiyu 4 ; Liu, Zhilei 4 ; Liu, Beibei 1 ; Wen, Shaobai 5 ; Liu, Fang 1 ; Chen, Xichao 4 ; Zhang, Zongyao 4 ; Wu, Lin 1 ; Wei, Chaoxian 1 ;
作者机构： 1.Chinese Acad Trop Agr Sci, Inst Environm & Plant Protect, Haikou 571101, Peoples R China
2.Minist Agr & Rural Affairs, Key Lab Low carbon Green Agr Trop Reg China, Danzhou 571737, Peoples R China
3.Minist Agr & Rural Affairs, Hainan Danzhou Trop Agroecosyst Natl Observat & Re, Danzhou 571737, Peoples R China
4.Minist Ecol & Environm, South China Inst Environm Sci, Guangzhou 510655, Peoples R China
5.Hainan Med Univ, Sch Trop & Lab Med, Dept Environm Sci, Haikou 571199, Peoples R China
6.Huazhong Agr Univ, Coll Resources & Environm, Wuhan 430070, Hubei, Peoples R China
关键词： Microplastics; Agricultural soil; Size distribution analysis; Dimensionality of MPs; Health exposure assessment
期刊名称：JOURNAL OF HAZARDOUS MATERIALS （ 影响因子：13.6； 五年影响因子：12.7 ）
ISSN： 0304-3894
年卷期： 2024 年 465 卷
页码：
收录情况： SCI
摘要： Microplastic (MP) pollution of agricultural soils has caused global alarm over its widespread distribution and potential risks to terrestrial ecosystems and human health. This study assessed human health based on exposure to soil MPs through a comprehensive investigation of the factors influencing their occurrence and spatial distribution on Hainan Island, South China. The results showed that the abundance of soil MPs was 1128.6 +/- 391.5 items center dot kg 1, whereas the normalized abundance of MPs based on using a power-law function was 19,261.4 items center dot kg 1. Regarding the extent of population exposure to agricultural soil MPs, the average daily exposure dose (pADD) model revealed that using mass as an indicator to assess the health risks associated with MP intake is more reliable than using abundance. However, abundance-based exposure assessments are also relevant because MPs with smaller particle sizes are more harmful to human health. Moreover, for adults, the normalized pADD values based on abundance and mass were 1.68E-02 item MPs center dot kg BW 1 center dot d 1 and 7.23E-02 mg MPs center dot kg BW 1 center dot d 1, respectively. Although the multidimensionality of MPs should be further aligned and quantified, the preliminary findings of this study contribute to the development of human health risk assessment frameworks for soil MPs.
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