Use of microbial community to evaluate performance of a wetland system in treating Pb/Zn mine drainage

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	Use of microbial community to evaluate performance of a wetland system in treating Pb/Zn mine drainage
	Yu, YH ; Feng, WS ; Shen, YF ; Ye, ZH ; Wong, MH
刊名	ENVIRONMENTAL MANAGEMENT
	2005-12-01
卷号	36 期号:6 页码:842-848
关键词	ecological restoration microbial community receiving system wetland PFU method
ISSN号	0364-152X
通讯作者	Yu, YH, Zhongshan Univ, Sch Life Sci, Guangzhou 510275, Peoples R China
中文摘要	The performance of a wetland system in treating lead (Pb)/zinc (Zn) mine drainage was evaluated by using the polyurethane foam unit (PFU) microbial community (method), which has been adopted by China as a standardized procedure for monitoring water quality. The wetland system consisted of four cells with three dominant plants: Typha latifolia, Phragmites australis and Paspalum distichum. Physicochemical characteristics [pH, EC, content of total suspended solid (TSS) and metals (Pb, Zn, Cd, and Cu)] and PFU microbial community in water samples had been investigated from seven sampling sites. The results indicated that the concentrations of Pb, Zn, Cd, Cu, and TSS in the mine drainage were gradually reduced from the inlet to the outlet of the wetland system and 99%, 98%, 75%, 83%, and 68% of these metals and TSS respectively, had been reduced in concentration after the drainage passed through the wetland system. A total of 105 protozoan species were identified, the number of protozoa species and the diversity index (DI) gradually increased, while the heterotrophic index (HI) gradually decreased from the inlet to the outlet of the wetland system. The results indicated that DI, HI, and total number species of protozoa could be used as biological indicators indicating the improvement of water quality.
英文摘要	The performance of a wetland system in treating lead (Pb)/zinc (Zn) mine drainage was evaluated by using the polyurethane foam unit (PFU) microbial community (method), which has been adopted by China as a standardized procedure for monitoring water quality. The wetland system consisted of four cells with three dominant plants: Typha latifolia, Phragmites australis and Paspalum distichum. Physicochemical characteristics [pH, EC, content of total suspended solid (TSS) and metals (Pb, Zn, Cd, and Cu)] and PFU microbial community in water samples had been investigated from seven sampling sites. The results indicated that the concentrations of Pb, Zn, Cd, Cu, and TSS in the mine drainage were gradually reduced from the inlet to the outlet of the wetland system and 99%, 98%, 75%, 83%, and 68% of these metals and TSS respectively, had been reduced in concentration after the drainage passed through the wetland system. A total of 105 protozoan species were identified, the number of protozoa species and the diversity index (DI) gradually increased, while the heterotrophic index (HI) gradually decreased from the inlet to the outlet of the wetland system. The results indicated that DI, HI, and total number species of protozoa could be used as biological indicators indicating the improvement of water quality.
学科主题	Environmental Sciences
WOS标题词	Science & Technology ; Life Sciences & Biomedicine
类目[WOS]	Environmental Sciences
研究领域[WOS]	Environmental Sciences & Ecology
关键词[WOS]	PROTOZOAN COMMUNITIES ; CONSTRUCTED WETLAND ; WATER-QUALITY ; WASTE-WATER ; LOUGH-NEAGH
收录类别	SCI
语种	英语
WOS记录号	WOS:000233392000005
公开日期	2010-10-13
内容类型	期刊论文
源URL	[http://ir.ihb.ac.cn/handle/152342/9098]
专题	水生生物研究所_中科院水生所知识产出（2009年前）_期刊论文
作者单位	1.Zhongshan Univ, Sch Life Sci, Guangzhou 510275, Peoples R China 2.Chinese Acad Sci, Inst Hydrobiol, Lab Protozoan Taxon & Ecol, Wuhan 430072, Peoples R China 3.Hong Kong Baptist Univ, Dept Biol, Croucher Inst Environm Sci, Kowloon, Hong Kong, Peoples R China
推荐引用方式 GB/T 7714	Yu, YH,Feng, WS,Shen, YF,et al. Use of microbial community to evaluate performance of a wetland system in treating Pb/Zn mine drainage[J]. ENVIRONMENTAL MANAGEMENT,2005,36(6):842-848.
APA	Yu, YH,Feng, WS,Shen, YF,Ye, ZH,&Wong, MH.(2005).Use of microbial community to evaluate performance of a wetland system in treating Pb/Zn mine drainage.ENVIRONMENTAL MANAGEMENT,36(6),842-848.
MLA	Yu, YH,et al."Use of microbial community to evaluate performance of a wetland system in treating Pb/Zn mine drainage".ENVIRONMENTAL MANAGEMENT 36.6(2005):842-848.