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Accumulation of Pb, Cu, and Zn in native plants growing on a contaminated Florida site
Yoon, Joonki; Cao, Xinde; Zhou, Qixing; Ma, Lena Q.
2006-09-15
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
Volume368Issue:2-3Pages:456-464
AbstractContamination of heavy metals represents one of the most pressing threats to water and soil resources as well as human health. Phytoremediation can be potentially used to remediate metal-contaminated sites. This study evaluated the potential of 36plants (17 species) growing on a contaminated site in North Florida. Plants and the associated soil samples were collected and analyzed for total metal concentrations. While total soil Pb, Cu, and Zn concentrations varied from 90 to 4100, 20 to 990, and 195 to 2200mg kg(-1), those in the plants ranged from 10 to 1183, 6.0 to 460, and 17 to 598mg kg(-1), respectively. None of the plants were suitable for phytoextraction because no hyperaccumulator was identified. However, plants with a high bioconcentration factor (BCF, metal concentration ratio of plant roots to soil) and low translocation factor (TF, metal concentration ratio of plant shoots to roots) have the potential for phytostabilization. Among the plants, Phyla nodiflora was the most efficient in accumulating Cu and Zn in its shoots (TF = 12 and 6.3) while Gentiana pennelliana was most suitable for phytostabilization of sites contaminated with Pb, Cu and Zn (BCF = 11, 22 and 2.6). Plant uptake of the three metals was highly correlated, whereas translocation of Pb was negatively correlated with Cu and Zn though translocation of Cu and Zn were correlated. Our study showed that native plant species growing on contaminated sites may have the potential for phytoremediation. (c) 2006 Elsevier B.V. All rights reserved.
KeywordHeavy Metals Plant Uptake Translocation Bioconcentration Phytoremediation Contaminated Soil
DOI10.1016/j.scitotenv.2006.01.016
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000240270700003
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:687[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://210.72.129.5/handle/321005/121286
Collection中国科学院沈阳应用生态研究所
Corresponding AuthorMa, Lena Q.
Affiliation1.Univ Florida, Dept Soil & Water Sci, Gainesville, FL 32611 USA
2.Chinese Acad Sci, Key Lab Terr Ecol Proc, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Yoon, Joonki,Cao, Xinde,Zhou, Qixing,et al. Accumulation of Pb, Cu, and Zn in native plants growing on a contaminated Florida site[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2006,368(2-3):456-464.
APA Yoon, Joonki,Cao, Xinde,Zhou, Qixing,&Ma, Lena Q..(2006).Accumulation of Pb, Cu, and Zn in native plants growing on a contaminated Florida site.SCIENCE OF THE TOTAL ENVIRONMENT,368(2-3),456-464.
MLA Yoon, Joonki,et al."Accumulation of Pb, Cu, and Zn in native plants growing on a contaminated Florida site".SCIENCE OF THE TOTAL ENVIRONMENT 368.2-3(2006):456-464.
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