Arid
DOI10.3390/agriculture11121234
Potentially Toxic Elements in Oasis Agricultural Soils Caused by High-Intensity Exploitation in the Piedmont Zone of the Tianshan Mountains, China
Liu, Wen; Ma, Long; Abuduwaili, Jilili
通讯作者Ma, L (corresponding author), Chinese Acad Sci, Xinjiang Inst Ecol & Geog, State Key Lab Desert & Oasis Ecol, Urumqi 830011, Peoples R China. ; Ma, L (corresponding author), Chinese Acad Sci, Res Ctr Ecol & Environm Cent Asia, Urumqi 830011, Peoples R China. ; Ma, L (corresponding author), Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China.
来源期刊AGRICULTURE-BASEL
EISSN2077-0472
出版年2021
卷号11期号:12
英文摘要Considering the pollution of potentially toxic elements (PTEs) in the soils of China, the present study analyzed the current state and influencing factors of PTEs in oasis soils using the model of absolute principal component score-multiple linear regression in the piedmont zone of the Tianshan Mountains. The possible non-carcinogenic and carcinogenic risks of PTEs at current concentrations were also explored using a human-health risk-assessment model. The results suggested that the extent to which potentially toxic elements in the soils of different geographical units in the study area is affected by human activities varies considerably. The PTEs Cd and As in the soils of the Yili River Watershed were the most strongly influenced by human activities, reaching levels of 40% and 59%, respectively. However, in the Bortala River Watershed, Cu, Cd, and As were the most strongly influenced by human activities, reaching levels of 33%, 64%, and 76%, respectively. Geographical units with a high degree of economic development (e.g., the Yili River Watershed) had, in contrast, low levels of PTE pollution caused by human activities, which may be related to the regional economic development structure. The human health risk assessment showed that the non-carcinogenic and carcinogenic risks of PTEs are currently below the threshold. However, increasing the arsenic content to 1.78 times the current level in the Bortala River Watershed would lead to carcinogenic risk. For the Yili River Watershed, a 3.33-fold increase in the arsenic content above its current level would lead to a carcinogenic risk. This risk should be addressed, and targeted environmental-protection measures should be formulated. The present research results will provide important decision support for regional environmental protection.
英文关键词geochemical composition influencing factors human health risk absolute principal component score-multiple linear regression oasis soil arid central Asia
类型Article
语种英语
开放获取类型gold
收录类别SCI-E
WOS记录号WOS:000735415300001
WOS关键词ECOLOGICAL RISK-ASSESSMENT ; HEAVY-METAL CONTAMINATION ; HUMAN HEALTH-RISK ; SOURCE APPORTIONMENT ; ECOSYSTEM SERVICES ; TRACE-ELEMENTS ; POLLUTION ; XINJIANG ; PMF ; SEDIMENTS
WOS类目Agronomy
WOS研究方向Agriculture
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/373913
作者单位[Liu, Wen; Ma, Long; Abuduwaili, Jilili] Chinese Acad Sci, Xinjiang Inst Ecol & Geog, State Key Lab Desert & Oasis Ecol, Urumqi 830011, Peoples R China; [Liu, Wen; Ma, Long; Abuduwaili, Jilili] Chinese Acad Sci, Res Ctr Ecol & Environm Cent Asia, Urumqi 830011, Peoples R China; [Liu, Wen; Ma, Long; Abuduwaili, Jilili] Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Liu, Wen,Ma, Long,Abuduwaili, Jilili. Potentially Toxic Elements in Oasis Agricultural Soils Caused by High-Intensity Exploitation in the Piedmont Zone of the Tianshan Mountains, China[J],2021,11(12).
APA Liu, Wen,Ma, Long,&Abuduwaili, Jilili.(2021).Potentially Toxic Elements in Oasis Agricultural Soils Caused by High-Intensity Exploitation in the Piedmont Zone of the Tianshan Mountains, China.AGRICULTURE-BASEL,11(12).
MLA Liu, Wen,et al."Potentially Toxic Elements in Oasis Agricultural Soils Caused by High-Intensity Exploitation in the Piedmont Zone of the Tianshan Mountains, China".AGRICULTURE-BASEL 11.12(2021).
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