Polycyclic aromatic hydrocarbons (PAHs) in surface soils of tropical reef islands in China under external plant and soil introduction: Occurrence, sources, risks, and relationships with soil properties, vegetation cover, and soil source
文献类型： 外文期刊
作者： Tan, Huadong 1 ; Wu, Qiumin 1 ; Wang, Chuanmi 1 ; Wu, Dongming 1 ; Cui, Yanmei 1 ; Li, Qinfen 1 ; Wu, Chunyuan 1 ;
作者机构： 1.Chinese Acad Trop Agr Sci, Environm & Plant Protect Inst, Haikou 571101, Peoples R China
2.Natl Agr Expt Stn Agr Environm, Danzhou 571737, Peoples R China
3.Huazhong Agr Univ, Coll Resources & Environm, Wuhan 430070, Peoples R China
关键词： PAHs; Distribution; Source; Risk; Plant vegetation; Tropical reef islands
期刊名称：CHEMOSPHERE （ 影响因子：8.943； 五年影响因子：8.52 ）
ISSN： 0045-6535
年卷期： 2022 年 306 卷
页码：
收录情况： SCI
摘要： This study explored the levels, sources, and risks of PAHs in soils from Yongle Atoll (YLA) and Xuande Atoll (XDA) of the Xisha Islands (XSIs) in the South China Sea, China, under different vegetation cover types and soil sources. The results clearly showed that the levels of 16 US EPA priority PAHs (E16PAHs) are relatively low in XDA and YLA, with concentrations ranging from not detected (ND) to 151 ng/g (average 15.7 ng/g) and ND to 5.8 ng/g (average 2.1 ng/g), respectively. Three- and four-ring PAHs (62.3% and 53.8%) were widely distributed in YLA and XDA. The average concentration of E16PAHs in soils with shrub cover was 1.4, 1.8, 4.8, and 5.0 times
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