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Concentrations and health risks of heavy metals in soils and crops around the Pingle manganese (Mn) mine area in Guangxi Province, China.
Environ Sci Pollut Res Int. 2018 Oct; 25(30):30180-30190.ES

Abstract

Heavy metal concentrations in agricultural fields and their ecological risks are a source of extensive concern worldwide. A field survey was conducted to investigate the present situation and health risks of heavy metals (Mn, Pb, Zn, Cu, and Cd) and crops (corn, green soybean, sweet potato, persimmon, cassava, and Chinese chestnut) around the Pingle manganese (Mn) mine site in Guangxi Province, China, which was abandoned 20 years ago. The results showed that the ranges of Mn, Pb, Zn, Cu, and Cd were 2706.54-6760.16, 229.37-275.84, 160.39-215.48, 58.11-75.30, and 5.78-6.98 mg kg[-1], respectively, which were approximately 15.38-38.41, 11.76-14.15, 2.12-2.85, 2.09-2.71, and 21.64-28.75 times greater than their respective background values. Most of these concentrations exceeded the national standard for soil quality (grade 2) developed by the Ministry of Environmental Protection of China (1995). Contamination assessments based on the single contamination index (Pi), Nemerow multi-factor index (Pcom), and potential ecological risk index (RI) showed that the sampled soils were severely polluted with these heavy metals, especially Pb and Cd. Similarly, the crops were enriched with Pb and Cd, with concentrations of 10.22-41.78 and 2.33-5.37 mg kg[-1], respectively, which were much higher than the threshold values of the national food standards. Contamination assessments with Pi and Pcom also showed that the crops were severely polluted with Pb and Cd. The bioaccumulation factor values for Cd were highest among the heavy metals, with an average mean of 0.66 in these six crops, demonstrating that Cd readily accumulates in these crops. An assessment showed that the health risk for adults living in the mining-impacted areas was significant. Our study strongly recommends that heavy metal contamination in agricultural soils and crops grown around the Pingle Mn mining-affected areas should be treated to mitigate the health risks.

Authors+Show Affiliations

Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, Guilin, 541004, China. College of Resource and Environment, Guangxi Normal University, Guilin, 541004, China. College of Life Science, Guangxi Normal University, Guilin, 541004, China.Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, Guilin, 541004, China.Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, Guilin, 541004, China. College of Resource and Environment, Guangxi Normal University, Guilin, 541004, China.College of Resource and Environment, Guangxi Normal University, Guilin, 541004, China.College of Resource and Environment, Guangxi Normal University, Guilin, 541004, China.College of Resource and Environment, Guangxi Normal University, Guilin, 541004, China.Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, Guilin, 541004, China. fmyu1215@163.com. College of Resource and Environment, Guangxi Normal University, Guilin, 541004, China. fmyu1215@163.com. Key Laboratory of Karst Ecology and Environment Change of Guangxi Department of Education, Guilin, 541004, China. fmyu1215@163.com.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

30151790

Citation

Liu, Kehui, et al. "Concentrations and Health Risks of Heavy Metals in Soils and Crops Around the Pingle Manganese (Mn) Mine Area in Guangxi Province, China." Environmental Science and Pollution Research International, vol. 25, no. 30, 2018, pp. 30180-30190.
Liu K, Fan L, Li Y, et al. Concentrations and health risks of heavy metals in soils and crops around the Pingle manganese (Mn) mine area in Guangxi Province, China. Environ Sci Pollut Res Int. 2018;25(30):30180-30190.
Liu, K., Fan, L., Li, Y., Zhou, Z., Chen, C., Chen, B., & Yu, F. (2018). Concentrations and health risks of heavy metals in soils and crops around the Pingle manganese (Mn) mine area in Guangxi Province, China. Environmental Science and Pollution Research International, 25(30), 30180-30190. https://doi.org/10.1007/s11356-018-2997-8
Liu K, et al. Concentrations and Health Risks of Heavy Metals in Soils and Crops Around the Pingle Manganese (Mn) Mine Area in Guangxi Province, China. Environ Sci Pollut Res Int. 2018;25(30):30180-30190. PubMed PMID: 30151790.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Concentrations and health risks of heavy metals in soils and crops around the Pingle manganese (Mn) mine area in Guangxi Province, China. AU - Liu,Kehui, AU - Fan,Liuqun, AU - Li,Yi, AU - Zhou,Zhengming, AU - Chen,Chaoshu, AU - Chen,Bin, AU - Yu,Fangming, Y1 - 2018/08/28/ PY - 2018/01/22/received PY - 2018/08/16/accepted PY - 2018/8/29/pubmed PY - 2019/1/15/medline PY - 2018/8/29/entrez KW - Foodstuffs KW - Health risk KW - Heavy metal KW - Mining-affected KW - Soil pollution SP - 30180 EP - 30190 JF - Environmental science and pollution research international JO - Environ Sci Pollut Res Int VL - 25 IS - 30 N2 - Heavy metal concentrations in agricultural fields and their ecological risks are a source of extensive concern worldwide. A field survey was conducted to investigate the present situation and health risks of heavy metals (Mn, Pb, Zn, Cu, and Cd) and crops (corn, green soybean, sweet potato, persimmon, cassava, and Chinese chestnut) around the Pingle manganese (Mn) mine site in Guangxi Province, China, which was abandoned 20 years ago. The results showed that the ranges of Mn, Pb, Zn, Cu, and Cd were 2706.54-6760.16, 229.37-275.84, 160.39-215.48, 58.11-75.30, and 5.78-6.98 mg kg[-1], respectively, which were approximately 15.38-38.41, 11.76-14.15, 2.12-2.85, 2.09-2.71, and 21.64-28.75 times greater than their respective background values. Most of these concentrations exceeded the national standard for soil quality (grade 2) developed by the Ministry of Environmental Protection of China (1995). Contamination assessments based on the single contamination index (Pi), Nemerow multi-factor index (Pcom), and potential ecological risk index (RI) showed that the sampled soils were severely polluted with these heavy metals, especially Pb and Cd. Similarly, the crops were enriched with Pb and Cd, with concentrations of 10.22-41.78 and 2.33-5.37 mg kg[-1], respectively, which were much higher than the threshold values of the national food standards. Contamination assessments with Pi and Pcom also showed that the crops were severely polluted with Pb and Cd. The bioaccumulation factor values for Cd were highest among the heavy metals, with an average mean of 0.66 in these six crops, demonstrating that Cd readily accumulates in these crops. An assessment showed that the health risk for adults living in the mining-impacted areas was significant. Our study strongly recommends that heavy metal contamination in agricultural soils and crops grown around the Pingle Mn mining-affected areas should be treated to mitigate the health risks. SN - 1614-7499 UR - https://www.unboundmedicine.com/medline/citation/30151790/Concentrations_and_health_risks_of_heavy_metals_in_soils_and_crops_around_the_Pingle_manganese__Mn__mine_area_in_Guangxi_Province_China_ DB - PRIME DP - Unbound Medicine ER -