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Assessment of Soil Heavy Metal Pollution and Health Risks in Different Functional Areas on the Northern Slope of the Eastern Tianshan Mountains in Xinjiang, NW China

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  • Halidan Asaiduli

    (College of Geography and Remote Sensing Science, Xinjiang University, Urumqi 830046, China
    Xinjiang Key Laboratory of Oasis Ecology, Xinjiang University, Urumqi 830046, China
    Key Laboratory of Smart City and Environment Modelling of Higher Education Institute, Xinjiang University, Urumqi 830046, China)

  • Abdugheni Abliz

    (College of Geography and Remote Sensing Science, Xinjiang University, Urumqi 830046, China
    Xinjiang Key Laboratory of Oasis Ecology, Xinjiang University, Urumqi 830046, China
    Key Laboratory of Smart City and Environment Modelling of Higher Education Institute, Xinjiang University, Urumqi 830046, China
    Ecological Post-Doctoral Research Station of Xinjiang University, Urumqi 830046, China)

  • Abudukeyimu Abulizi

    (College of Geography and Remote Sensing Science, Xinjiang University, Urumqi 830046, China
    Xinjiang Key Laboratory of Oasis Ecology, Xinjiang University, Urumqi 830046, China
    Key Laboratory of Smart City and Environment Modelling of Higher Education Institute, Xinjiang University, Urumqi 830046, China)

  • Xiaoli Sun

    (College of Geography and Remote Sensing Science, Xinjiang University, Urumqi 830046, China
    Xinjiang Key Laboratory of Oasis Ecology, Xinjiang University, Urumqi 830046, China
    Key Laboratory of Smart City and Environment Modelling of Higher Education Institute, Xinjiang University, Urumqi 830046, China)

  • Panqing Ye

    (College of Geography and Remote Sensing Science, Xinjiang University, Urumqi 830046, China
    Xinjiang Key Laboratory of Oasis Ecology, Xinjiang University, Urumqi 830046, China
    Key Laboratory of Smart City and Environment Modelling of Higher Education Institute, Xinjiang University, Urumqi 830046, China)

Abstract

In typical semi-arid areas, the timely and effective monitoring and evaluation of soil heavy metal pollution are of critical importance to prevent soil deterioration and achieve the sustainable use of soil resources. To further understand the degree of soil heavy metal pollution in different functional areas, we studied the soil heavy metal pollution on the northern slope of the eastern Tianshan Mountains in Xinjiang. We collected 104 surface soil samples from typical commercial (A), industrial (B), and agricultural (C) areas with different land-use patterns. The contents of Zn, Cu, Cr, Pb, As, and Hg in the soil of different functional areas were evaluated using the geo-accumulation index, the single-factor pollution index, and potential ecological risk. The results showed that the contents of Pb, As, and Hg in soils of different functional areas exceeded 4.47, 8.03, and 1.5 times the background values of Xinjiang soil, respectively. The average contents of Zn, Cu, and Cr were lower than the background values of Xinjiang soil. Except for As in different functional areas, the contents of the other elements in the different functional areas reached the level of soil environmental quality standards in China (GB15618-2018). The geo-accumulation index of heavy metals in different functional areas was in the order of Area C > Area A > Area B, indicating that Area C was the most polluted. The results of the single-factor pollution index showed that the pollution levels of Pb, As, and Hg were higher, and the pollution levels of Cr, Cu, and Zn were lower. The results of the potential ecological risk index showed that the northwest of Area A was higher, the southeast of Area B was more polluted, and the central and eastern parts of Area C were more polluted. From the perspective of spatial distribution, the spatial distribution characteristics of Zn and Cr elements in different functional areas are consistent, but the spatial distribution characteristics of Cu, Pb, As, and Hg in different functional areas are quite different. The high values of these four elements are mainly distributed in residential areas, factories, and metal smelters. It is necessary to divide the functional areas based on different land-use patterns, and the prevention of soil single-element and heavy metal pollution in different functional areas is reasonable for land resources and provides a scientific basis for the effective planning of quality assurance.

Suggested Citation

  • Halidan Asaiduli & Abdugheni Abliz & Abudukeyimu Abulizi & Xiaoli Sun & Panqing Ye, 2023. "Assessment of Soil Heavy Metal Pollution and Health Risks in Different Functional Areas on the Northern Slope of the Eastern Tianshan Mountains in Xinjiang, NW China," IJERPH, MDPI, vol. 20(6), pages 1-18, March.
  • Handle: RePEc:gam:jijerp:v:20:y:2023:i:6:p:4843-:d:1092541
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    References listed on IDEAS

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    1. Zhiping Yang & Rong Zhang & Hongying Li & Xiaoyuan Zhao & Xiaojie Liu, 2022. "Heavy Metal Pollution and Soil Quality Assessment under Different Land Uses in the Red Soil Region, Southern China," IJERPH, MDPI, vol. 19(7), pages 1-15, March.
    2. Ting Sun & Jingling Huang & Yuying Wu & Yuan Yuan & Yujing Xie & Zhengqiu Fan & Zhijian Zheng, 2020. "Risk Assessment and Source Apportionment of Soil Heavy Metals under Different Land Use in a Typical Estuary Alluvial Island," IJERPH, MDPI, vol. 17(13), pages 1-20, July.
    3. Tiantian Ma & Youwen Zhang & Qingbai Hu & Minghai Han & Xiaohua Li & Youjun Zhang & Zhiguang Li & Rongguang Shi, 2022. "Accumulation Characteristics and Pollution Evaluation of Soil Heavy Metals in Different Land Use Types: Study on the Whole Region of Tianjin," IJERPH, MDPI, vol. 19(16), pages 1-15, August.
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