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Growth and Heavy Metal Accumulation of Koelreuteria Paniculata Seedlings and Their Potential for Restoring Manganese Mine Wastelands in Hunan, China

Author

Listed:
  • Zhihong Huang

    (National Engineering Laboratory for Applied Technology of Forestry & Ecology in South China, Central South University of Forestry and Technology, Changsha 410004, Hunan, China)

  • Wenhua Xiang

    (National Engineering Laboratory for Applied Technology of Forestry & Ecology in South China, Central South University of Forestry and Technology, Changsha 410004, Hunan, China
    Faculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha 410004, Hunan, China)

  • Yu'e Ma

    (Faculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha 410004, Hunan, China)

  • Pifeng Lei

    (National Engineering Laboratory for Applied Technology of Forestry & Ecology in South China, Central South University of Forestry and Technology, Changsha 410004, Hunan, China)

  • Dalun Tian

    (National Engineering Laboratory for Applied Technology of Forestry & Ecology in South China, Central South University of Forestry and Technology, Changsha 410004, Hunan, China)

  • Xiangwen Deng

    (National Engineering Laboratory for Applied Technology of Forestry & Ecology in South China, Central South University of Forestry and Technology, Changsha 410004, Hunan, China)

  • Wende Yan

    (National Engineering Laboratory for Applied Technology of Forestry & Ecology in South China, Central South University of Forestry and Technology, Changsha 410004, Hunan, China)

  • Xi Fang

    (National Engineering Laboratory for Applied Technology of Forestry & Ecology in South China, Central South University of Forestry and Technology, Changsha 410004, Hunan, China)

Abstract

The planting of trees on mine wastelands is an effective, long-term technique for phytoremediation of heavy metal-contaminated wastes. In this study, a pot experiment with seedlings of Koelreuteria paniculata under six treatments of local mine wastes was designed to determine the major constraints on tree establishment and to evaluate the feasibility of planting K. paniculata on manganese mine wastelands. Results showed that K . paniculata grew well in mine tailings, and also under a regime of equal amounts of mine tailings and soil provided in adjacent halves of pots. In contrast, mine sludge did not favor survival and growth because its clay texture limited fine root development. The bio-concentration factor and the translocation factor were mostly less than 1, indicating a low phytoextraction potential for K . paniculata . K . paniculata is suited to restore manganese mine sludge by mixing the mine sludge with local mine tailings or soil.

Suggested Citation

  • Zhihong Huang & Wenhua Xiang & Yu'e Ma & Pifeng Lei & Dalun Tian & Xiangwen Deng & Wende Yan & Xi Fang, 2015. "Growth and Heavy Metal Accumulation of Koelreuteria Paniculata Seedlings and Their Potential for Restoring Manganese Mine Wastelands in Hunan, China," IJERPH, MDPI, vol. 12(2), pages 1-19, February.
    • Handle: RePEc:gam:jijerp:v:12:y:2015:i:2:p:1726-1744:d:45441
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    Cited by:

    1. Xuexia Huang & Dinggui Luo & Xiangxin Chen & Lezhang Wei & Yu Liu & Qihang Wu & Tangfu Xiao & Xiaotao Mai & Guowei Liu & Lirong Liu, 2019. "Insights into Heavy Metals Leakage in Chelator-Induced Phytoextraction of Pb- and Tl-Contaminated Soil," IJERPH, MDPI, vol. 16(8), pages 1-14, April.

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