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Assessment of Metalloid and Metal Contamination in Soils from Hainan, China

The characterization of the concentrations and sources of metals and metalloids in soils is necessary to establish quality standards on a regional level and to assess the potential threat of metals to food safety and human health. A total of 8713 soil samples throughout Hainan Island, China were col...

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Autores principales: Liao, Xiangjun, Zhang, Chao, Sun, Guangyi, Li, Zhonggen, Shang, Lihai, Fu, Yangrong, He, Yusheng, Yang, Yi
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5876999/
https://www.ncbi.nlm.nih.gov/pubmed/29509685
http://dx.doi.org/10.3390/ijerph15030454
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author Liao, Xiangjun
Zhang, Chao
Sun, Guangyi
Li, Zhonggen
Shang, Lihai
Fu, Yangrong
He, Yusheng
Yang, Yi
author_facet Liao, Xiangjun
Zhang, Chao
Sun, Guangyi
Li, Zhonggen
Shang, Lihai
Fu, Yangrong
He, Yusheng
Yang, Yi
author_sort Liao, Xiangjun
collection PubMed
description The characterization of the concentrations and sources of metals and metalloids in soils is necessary to establish quality standards on a regional level and to assess the potential threat of metals to food safety and human health. A total of 8713 soil samples throughout Hainan Island, China were collected at a density of one sample per 4 km(2), and concentrations of As, Cd, Cr, Cu, Hg, Ni, Pb, Se, and Zn were analyzed. The geometric mean values of the elements were 2.17, 0.60, 26.5, 9.43, 0.033, 8.74, 22.2, 0.26, and 39.6 mg·· kg(−1) for As, Cd, Cr, Cu, Hg, Ni, Pb, Se, and Zn, respectively, significantly lower than the background values of Chinese soils with the exception of Se. Principal component analysis (PCA) suggested that multiple anthropogenic sources regulated the elemental compositions of the Hainan environment. Coal combustion and mining are important anthropogenic sources of metals for Hainan. The geochemical maps of elements in Hainan soils were produced using the Geographic Information System (GIS) method, and several hot-spot areas were identified. The ecological impact of As, Cd, Cu, Cr, Hg, Pb, Ni, and Zn pollution to the soils was extremely “low”.
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spelling pubmed-58769992018-04-09 Assessment of Metalloid and Metal Contamination in Soils from Hainan, China Liao, Xiangjun Zhang, Chao Sun, Guangyi Li, Zhonggen Shang, Lihai Fu, Yangrong He, Yusheng Yang, Yi Int J Environ Res Public Health Article The characterization of the concentrations and sources of metals and metalloids in soils is necessary to establish quality standards on a regional level and to assess the potential threat of metals to food safety and human health. A total of 8713 soil samples throughout Hainan Island, China were collected at a density of one sample per 4 km(2), and concentrations of As, Cd, Cr, Cu, Hg, Ni, Pb, Se, and Zn were analyzed. The geometric mean values of the elements were 2.17, 0.60, 26.5, 9.43, 0.033, 8.74, 22.2, 0.26, and 39.6 mg·· kg(−1) for As, Cd, Cr, Cu, Hg, Ni, Pb, Se, and Zn, respectively, significantly lower than the background values of Chinese soils with the exception of Se. Principal component analysis (PCA) suggested that multiple anthropogenic sources regulated the elemental compositions of the Hainan environment. Coal combustion and mining are important anthropogenic sources of metals for Hainan. The geochemical maps of elements in Hainan soils were produced using the Geographic Information System (GIS) method, and several hot-spot areas were identified. The ecological impact of As, Cd, Cu, Cr, Hg, Pb, Ni, and Zn pollution to the soils was extremely “low”. MDPI 2018-03-03 2018-03 /pmc/articles/PMC5876999/ /pubmed/29509685 http://dx.doi.org/10.3390/ijerph15030454 Text en © 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Liao, Xiangjun
Zhang, Chao
Sun, Guangyi
Li, Zhonggen
Shang, Lihai
Fu, Yangrong
He, Yusheng
Yang, Yi
Assessment of Metalloid and Metal Contamination in Soils from Hainan, China
title Assessment of Metalloid and Metal Contamination in Soils from Hainan, China
title_full Assessment of Metalloid and Metal Contamination in Soils from Hainan, China
title_fullStr Assessment of Metalloid and Metal Contamination in Soils from Hainan, China
title_full_unstemmed Assessment of Metalloid and Metal Contamination in Soils from Hainan, China
title_short Assessment of Metalloid and Metal Contamination in Soils from Hainan, China
title_sort assessment of metalloid and metal contamination in soils from hainan, china
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5876999/
https://www.ncbi.nlm.nih.gov/pubmed/29509685
http://dx.doi.org/10.3390/ijerph15030454
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