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Vol. 25 No. 10 (2013): Vol 25 Issue 10

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Vegetation Development on Coal Waste Pile in Panyi Coal Mine

https://doi.org/10.14233/ajchem.2013.OH91
Xingming Wang
School of Earth and Environment, Anhui University of Science and Technology, Huainan 232001, Anhui Province, P.R. China
Lei Chu
Huainan Environmental Protection Bureau, Huainan 232001, Anhui Province, P.R. China
Zhaoxia Chu
Department of Life Science, Huainan Normal University, Huainan 232001, Anhui Province, P.R. China
Zhongbing Dong
School of Earth and Environment, Anhui University of Science and Technology, Huainan 232001, Anhui Province, P.R. China

Corresponding Author(s) : Xingming Wang

xmwang-2004@126.com

Asian Journal of Chemistry, Vol. 25 No. 10 (2013): Vol 25 Issue 10

Abstract

Exploitation and utilization of coal can result in a series of ecological environment problems. Coal waste was the solid waste released in the process of coal mining. When coal waste was dumped to form pile, it not only occupies lots of arable land, but also endangers the ecological system in coal mine district. In this study, coal waste pile of Panyi coal mine were surveyed for naturally occurring plant species and limiting factors for plant residence. The plant species, Summed dominance ratio, Species diversity index and Evenness index were calculated for the plant communities grown at the bottom of pile. Heavy metal concentrations and chemical properties in coal waste compared with uncontaminated soil were also determined. Results showed that two stable plant communities (Synodon dactylon + Setaria viridis community and Humulus scandens community) could adapt to the harsh conditions at the bottom of coal waste pile. Synodon dactylon and Humulus scandens were the dominant plants that may prove useful in future revegetation programs of coal waste pile. Elevated levels of Cd and electrical conductivity and lower levels of total P and total K might be the limiting factors affecting the residence and growth of pioneering plants.

Keywords

Heavy metal Limiting factor Plant community Coal waste pile
Wang, X., Chu, L., Chu, Z., & Dong, Z. (2013). Vegetation Development on Coal Waste Pile in Panyi Coal Mine. Asian Journal of Chemistry, 25(10), 5778–5780. https://doi.org/10.14233/ajchem.2013.OH91
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