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Source Apportionment and Ecological Risk of Heavy Metals in Soil

A special issue of International Journal of Environmental Research and Public Health (ISSN 1660-4601). This special issue belongs to the section "Chemoenvironment".

Deadline for manuscript submissions: closed (30 September 2023) | Viewed by 4163

Special Issue Editor

1. College of Geography and Environment, Shandong Normal University, Jinan 250014, China
2. State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200062, China
Interests: source apportionment; geostatistics; spatial prediction

Special Issue Information

Dear Colleagues,

Soil is the most important reservoir of pollutants in the terrestrial ecosystem. With rapid urbanization and industrialization, soil pollution has internationally recognized a global problem, with implications for global food security and human health. Among various pollutants in soils, heavy metals are particularly hazardous due to their cumulative toxicity and persistence, which are attracting more and more attention. The sources of heavy metals in soils are very complex, including natural and anthropogenic sources, leading to the spatial heterogeneity of heavy metals in soils. The heavy metals in soils may threaten human health through inhalation, ingestion, and dermal absorption. Although heavy metals in soils are monitored in most countries, the knowledge on source apportionment and ecological risk of heavy metals in soils needs to be enhanced in order to provide effective references for soil management and remediation. This Special Issue of the International Journal of Environmental Research and Public Health (IJERPH) focuses on source apportionment, spatial prediction, human health risk assessment, and regulation strategies of heavy metals in soils.

Dr. Jianshu Lv
Guest Editor

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Keywords

  • heavy metals in soils
  • source apportionment
  • spatial prediction
  • ecological risk

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Published Papers (2 papers)

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Research

16 pages, 3285 KiB  
Article
Spatial-Temporal Variation and Driving Factors of Ecological Vulnerability in Nansi Lake Basin, China
by Zhixian Sun, Yang Liu and Hongbin Sang
Int. J. Environ. Res. Public Health 2023, 20(3), 2653; https://doi.org/10.3390/ijerph20032653 - 1 Feb 2023
Cited by 5 | Viewed by 1481
Abstract
Lake basins are one of the most significant areas of human–land interaction. It is essential for the region’s ecological protection and high-quality development to assess their ecological vulnerability (EV) and analyze the key driving factors of EV. Considering the characteristics of the lake [...] Read more.
Lake basins are one of the most significant areas of human–land interaction. It is essential for the region’s ecological protection and high-quality development to assess their ecological vulnerability (EV) and analyze the key driving factors of EV. Considering the characteristics of the lake basin, we chose 17 indicators to evaluate the EV of the Nansi Lake Basin based on the “sensitivity-resilience-pressure” (SRP) model. Then, spatial principal component analysis (SPCA) and a transfer matrix were used to analyze the spatial-temporal variation characteristics of the EV. Moreover, the optimal parameters-based geographical detector (OPGD) was applied to investigate the factors influencing the spatial heterogeneity of the EV. The results indicated that the EV of the Nansi Lake Basin was characterized by a circling spatial structure, with low values distributed in the Nansi Lake and its surrounding areas, as well as high values concentrated in the northwest. The EV of the Nansi Lake Basin decreased from 2010 to 2020, indicating that the overall ecological pressure in the Nansi Lake Basin decreased. Climatic factors, land use type, and habitat quality were the primary factors that influenced the spatial heterogeneity of the EV in the basin. Our findings can serve as policy guidelines for ecological management and the sustainable development of the Nansi Lake Basin and also contribute to the EV assessment of lake basins. Full article
(This article belongs to the Special Issue Source Apportionment and Ecological Risk of Heavy Metals in Soil)
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15 pages, 5792 KiB  
Article
Contamination, Source Apportionment, and Health Risk Assessment of Heavy Metals in Farmland Soils Surrounding a Typical Copper Tailings Pond
by Minsi Xiao, Shitong Xu, Bing Yang, Guangcong Zeng, Lidan Qian, Haiwei Huang and Sili Ren
Int. J. Environ. Res. Public Health 2022, 19(21), 14264; https://doi.org/10.3390/ijerph192114264 - 1 Nov 2022
Cited by 13 | Viewed by 2350
Abstract
Tailings resulting from mining and smelting activities may cause soil heavy-metal pollution and harm human health. To evaluate the environmental impact of heavy metals from tailings on farmland soils in the surrounding area, heavy metals (As, Cd, Cr, Cu, Ni, Pb, and Zn) [...] Read more.
Tailings resulting from mining and smelting activities may cause soil heavy-metal pollution and harm human health. To evaluate the environmental impact of heavy metals from tailings on farmland soils in the surrounding area, heavy metals (As, Cd, Cr, Cu, Ni, Pb, and Zn) in tailings and farmland soils in the vicinity of a typical copper tailings pond were analyzed. Contamination status, potential sources, and health risks for farmland soils were investigated. The results showed that the tailings contained a high concentration of Cu (1136.23 mg/kg). The concentrations of Cd and Cu in the farmland soils exceeded the soil quality standard. The geoaccumulation index (Igeo) indicated that the soils were moderately polluted by Cu and Cd, and slightly polluted by Ni, Cr, and Zn. The absolute principal component scores–multiple linear regression (APCS-MLR) model was applied for source apportionment. The results showed that tailings release is the main source of soil heavy-metals contamination, accounting for 35.81%, followed by agricultural activities (19.41%) and traffic emission (16.31%). The health risk assessment suggested that the children in the study region were exposed to non-carcinogenic risks caused by As, while the non-carcinogenic risk to adults and the carcinogenic risk to both adults and children were at acceptable levels. It is necessary to take effective measures to control heavy-metal contamination from tailings releases to protect humans, especially children, from adverse health risks. Full article
(This article belongs to the Special Issue Source Apportionment and Ecological Risk of Heavy Metals in Soil)
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