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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
发表期刊ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
卷号23期号:21页码:21262-21272
文章类型Article
摘要The 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.
关键词Giant Panda Habitat Heavy Metal Highway Pollution Risk Assessment
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.1007/s11356-016-7221-0
关键词[WOS]HEAVY-METALS ; ROADSIDE SOILS ; METALLOTHIONEIN-I ; ENRICHMENT RATIOS ; OXIDATIVE STRESS ; CENTRAL CHINA ; HEALTH-RISK ; HONG-KONG ; CADMIUM ; CONTAMINATION
收录类别SCI
语种英语
WOS研究方向Environmental Sciences & Ecology
WOS类目Environmental Sciences
WOS记录号WOS:000387599600013
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5645
专题生态环境研究室
作者单位1.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
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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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