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Human Health Risk Assessment of Toxic Elements in Farmland Topsoil with Source Identification in Jilin Province, China

Author

Listed:
  • Fengxu Li

    (Institute of Natural Disaster Research, Department of Environment, Northeast Normal University, Changchun 130024, China)

  • Jiquan Zhang

    (Institute of Natural Disaster Research, Department of Environment, Northeast Normal University, Changchun 130024, China)

  • Tiehua Cao

    (Jilin Academy of Agricultural Sciences, Changchun 130017, China)

  • Sijia Li

    (Institute of Natural Disaster Research, Department of Environment, Northeast Normal University, Changchun 130024, China)

  • Yanan Chen

    (Institute of Natural Disaster Research, Department of Environment, Northeast Normal University, Changchun 130024, China)

  • Xuanhe Liang

    (Jilin Academy of Agricultural Sciences, Changchun 130017, China)

  • Xin Zhao

    (Jilin Academy of Agricultural Sciences, Changchun 130017, China)

  • Junwei Chen

    (Institute of Natural Disaster Research, Department of Environment, Northeast Normal University, Changchun 130024, China)

Abstract

The presence of toxic elements in agricultural soils from anthropogenic activities is a potential threat to human health through the food chain. In this study, the concentration of toxic elements in 122 agricultural topsoil composite samples were determined in order to study the current status, identify their sources and assess the level of pollution and human health risk. The results showed that the mean concentrations of Zn, Cu, Pb, Cd, Hg and As in the farmland topsoil were 21.72, 15.09, 36.08, 0.2451, 0.0378 and 4.957 mg·kg −1 , respectively. The spatial distribution showed that the soils were mainly contaminated by Cd, Pb and Hg in midwest Jilin but by Cu and As in the east. According to the pollution index (Pi), Nemerow integrated pollution index (PN) and Geo-Accumulation Index ( I geo ), Cd and Pb were the main pollutants in the soils. The occurrence of these elements was caused by anthropogenic activities and they were concentrated in the Songyuan-Changchun-Siping economic belt. There is limited non-carcinogenic and carcinogenic health risk to humans. Principal component analyses suggest the Pb, Cd and Hg soil contamination was mainly derived from anthropogenic activities in the Midwest, but all examined toxic elements in the east were mainly due to geogenic anomalies and came from atmospheric deposition.

Suggested Citation

  • Fengxu Li & Jiquan Zhang & Tiehua Cao & Sijia Li & Yanan Chen & Xuanhe Liang & Xin Zhao & Junwei Chen, 2018. "Human Health Risk Assessment of Toxic Elements in Farmland Topsoil with Source Identification in Jilin Province, China," IJERPH, MDPI, vol. 15(5), pages 1-15, May.
    • Handle: RePEc:gam:jijerp:v:15:y:2018:i:5:p:1040-:d:148357
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    References listed on IDEAS

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    1. Fernando Santos-Francés & Antonio Martínez-Graña & Carmelo Ávila Zarza & Antonio García Sánchez & Pilar Alonso Rojo, 2017. "Spatial Distribution of Heavy Metals and the Environmental Quality of Soil in the Northern Plateau of Spain by Geostatistical Methods," IJERPH, MDPI, vol. 14(6), pages 1-20, May.
    2. Shouhui Pan & Kaiyi Wang & Li Wang & Zhibin Wang & Yanyun Han, 2017. "Risk Assessment System Based on WebGIS for Heavy Metal Pollution in Farmland Soils in China," Sustainability, MDPI, vol. 9(10), pages 1-22, October.
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    4. Wenbo Li & Dongyan Wang & Qing Wang & Shuhan Liu & Yuanli Zhu & Wenjun Wu, 2017. "Impacts from Land Use Pattern on Spatial Distribution of Cultivated Soil Heavy Metal Pollution in Typical Rural-Urban Fringe of Northeast China," IJERPH, MDPI, vol. 14(3), pages 1-14, March.
    5. Bifeng Hu & Xiaolin Jia & Jie Hu & Dongyun Xu & Fang Xia & Yan Li, 2017. "Assessment of Heavy Metal Pollution and Health Risks in the Soil-Plant-Human System in the Yangtze River Delta, China," IJERPH, MDPI, vol. 14(9), pages 1-18, September.
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