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Highway increases concentrations of toxic metals in giant panda habitat
Zheng, Ying-juan1,2; Chen, Yi-ping1,3; Maltby, Lorraine4; Jin, Xue-lin5
2016-11-01
Source PublicationENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
Volume23Issue:21Pages:21262-21272
SubtypeArticle
AbstractThe Qinling panda subspecies (Ailuropoda melanoleuca qinlingensis) is highly endangered with fewer than 350 individuals inhabiting the Qinling Mountains. Previous studies have indicated that giant pandas are exposed to heavy metals, and a possible source is vehicle emission. The concentrations of Cu, Zn, Mn, Pb, Cr, Ni, Cd, Hg, and As in soil samples collected from sites along a major highway bisecting the panda's habitat were analyzed to investigate whether the highway was an important source of metal contamination. There were 11 sites along a 30-km stretch of the 108th National Highway, and at each site, soil samples were taken at four distances from the highway (0, 50, 100, and 300 m) and at three soil depths (0, 5, 10 cm). Concentrations of all metals except As exceeded background levels, and concentrations of Cu, Zn, Mn, Pb, and Cd decreased significantly with increasing distance from the highway. Geo-accumulation index indicated that topsoil next to the highway was moderately contaminated with Pb and Zn, whereas topsoil up to 300 m away from the highway was extremely contaminated with Cd. The potential ecological risk index demonstrated that this area was in a high degree of ecological hazards, which were also due to serious Cd contamination. And, the hazard quotient indicated that Cd, Pb, and Mn especially Cd could pose the health risk to giant pandas. Multivariate analyses demonstrated that the highway was the main source of Cd, Pb, and Zn and also put some influence on Mn. The study has confirmed that traffic does contaminate roadside soils and poses a potential threat to the health of pandas. This should not be ignored when the conservation and management of pandas is considered.
KeywordGiant Panda Habitat Heavy Metal Highway Pollution Risk Assessment
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1007/s11356-016-7221-0
WOS KeywordHEAVY-METALS ; ROADSIDE SOILS ; METALLOTHIONEIN-I ; ENRICHMENT RATIOS ; OXIDATIVE STRESS ; CENTRAL CHINA ; HEALTH-RISK ; HONG-KONG ; CADMIUM ; CONTAMINATION
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000387599600013
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Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5645
Collection生态环境研究室
Affiliation1.Chinese Acad Sci, Inst Earth Environm, SKLLQG, Xian 710061, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Earth Environm, 97 Yan Xiang Rd, Xian 710061, Peoples R China
4.Univ Sheffield, Dept Anim & Plant Sci, Sheffield S10 2TN, S Yorkshire, England
5.Shaanxi Rare Wildlife Conservat & Breeding Ctr, Xian 710402, Peoples R China
Recommended Citation
GB/T 7714
Zheng, Ying-juan,Chen, Yi-ping,Maltby, Lorraine,et al. Highway increases concentrations of toxic metals in giant panda habitat[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2016,23(21):21262-21272.
APA Zheng, Ying-juan,Chen, Yi-ping,Maltby, Lorraine,&Jin, Xue-lin.(2016).Highway increases concentrations of toxic metals in giant panda habitat.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,23(21),21262-21272.
MLA Zheng, Ying-juan,et al."Highway increases concentrations of toxic metals in giant panda habitat".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 23.21(2016):21262-21272.
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