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Environments 2016, 3(3), 15; doi:10.3390/environments3030015

Pteris cretica as a Potential Biomarker and Hyperaccumulator in an Abandoned Mine Site, Southwest Japan

1
Graduate School of Science and Engineering, Ehime University, Matsuyama 790-8577, Japan
2
Faculty of Collaborative Regional Innovation, Ehime University, Matsuyama 790-08577, Japan
3
Cyclotron Research Centre, Iwate Medical University, 348-58 Tomegamori, Takizawa, Iwate 020-0173, Japan
*
Author to whom correspondence should be addressed.
Academic Editor: Yu-Pin Lin
Received: 12 May 2016 / Revised: 10 June 2016 / Accepted: 21 June 2016 / Published: 25 June 2016
View Full-Text   |   Download PDF [1940 KB, uploaded 25 June 2016]   |  

Abstract

This study aimed to determine the potential of naturally occurring Cretan brake fern (Pteris cretica) as a biomarker and hyperaccumulator in an abandoned mine in Southwest Japan. This species is a known hyperaccumulator of As. Total concentrations of heavy metals and As were determined in the shoots and roots of plants collected from inside and outside of the mine area. The results indicate that As and Pb in the shoots of P. cretica reached 1290 and 3840 mg/kg dry weight, respectively, which is classified as hyperaccumulation. The metal uptake intensity in the shoots indicates that P. cretica is a biomarker for As, Pb, and Zn. Furthermore, the metal concentrations, and bioconcentration and translocation factors indicate that P. cretica is a good candidate for phytoremediation of sites that are contaminated with As and Pb. View Full-Text
Keywords: hyperaccumulator; biomarker; bioconcentration factor; translocation factor hyperaccumulator; biomarker; bioconcentration factor; translocation factor
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Prasetia, H.; Sakakibara, M.; Sueoka, Y.; Sera, K. Pteris cretica as a Potential Biomarker and Hyperaccumulator in an Abandoned Mine Site, Southwest Japan. Environments 2016, 3, 15.

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