Evaluating heavy metal concentration of plants on a serpentine site for phytoremediation applications

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doi: 10.1007/s12665-012-2115-z
Authors:Ho, Cheng-Ping; Hseu, Zeng-Yei; Chen, Nien-Chu; Tsai, Chen-Chi
Author Affiliations:Primary:
National Pingtung University of Science and Technology, Department of Environmental Science and Engineering, Pingtung, Taiwan
National I-Lan Universityources, Taiwan
Volume Title:Environmental Earth Sciences
Source:Environmental Earth Sciences, 70(1), p.191-199. Publisher: Springer, Berlin, Germany. ISSN: 1866-6280
Publication Date:2013
Note:In English. 41 refs.; illus., incl. 5 tables
Summary:The chemical analysis of plants and soils is a frequently used approach in understanding a serpentine ecosystem. Studies on vegetation growth in serpentine soils focused on various plant species for remediation purposes of soil contamination with heavy metals, emphasizing their role in the metal extraction or stabilization in the soil. The aims of this study were to measure the concentrations of Cr, Mn, and Ni in the soils and plants and to elucidate the phytoremediation potential of the studied plants. This study was performed at an abandoned site of serpentine mining in eastern Taiwan. Seven plant species were collected for analysis of Cr, Mn, and Ni, including Crotalaria micans, Miscanthus floridulus, Leucaena leucocephala, Bidens pilosa, Pueraria lobata, Melilotus indicus, and Conyza canadensis. The Cr and Ni concentrations in all studied plants were higher than those in general plants. In all species, the mean concentrations of Cr, Mn, and Ni in the shoots were lower than those in the root. None of the collected specimens exhibited hyperaccumulation of Cr, Mn, and Ni. All studied species may be used to remediate contaminated soils through phytostabilization of Cr and Mn, whereas M. floridulus and M. indicus are appropriate plants for phytostabilization of Ni. However, C. micans, L. leucocephala, B. pilosa, P. lobata, and C. canadensis have the potential to remove Ni from contaminated soils for the purpose of phytoextraction. Copyright 2012 Springer-Verlag Berlin Heidelberg
Subjects:Abandoned mines; Bioaccumulation; Bioremediation; Chemical composition; Chromium; Concentration; Controls; Ecosystems; Heavy metals; Manganese; Metals; Mine waste; Mines; Mobility; Nickel; Parent materials; Physical properties; Phytoremediation; Plantae; Pollutants; Pollution; Provenance; Quality control; Remediation; Rhizosphere; Serpentine; Serpentine group; Sheet silicates; Silicates; Soil pollution; Soils; Statistical analysis; Toxic materials; Asia; Taiwanese Central Range; Far East; Taiwan; Phytostabilization; Wan-Ron Hill Site
Coordinates:N234200 N234300 E1212500 E1212400
Record ID:2013088633
Copyright Information:GeoRef, Copyright 2018 American Geosciences Institute. Reference includes data supplied by Springer Verlag, Berlin, Federal Republic of Germany
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