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Characteristics of the microbial communities in the integrated vertical-flow constructed wetlands
Zhou Qiaohong; He Feng; Zhang Liping; Wang Yanfen; Wu Zhenbin; He, F, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2009
Source PublicationJOURNAL OF ENVIRONMENTAL SCIENCES-CHINA
Volume21Issue:9Pages:1261-1267
AbstractMicroorganisms play an important role in removing pollutants from constructed wetlands. We investigated the microbial characteristics in a novel integrated vertical-flow constructed wetland (IVCW), which has been in operation in Wuhan, China since 1998. We used phospholipid fatty acid (PLFA) and amoA gene to analyze the structure and diversity of the microbial community within the IVCW. PLFA results suggested that the amount of bacterial PLFA was significantly higher than that of fungal PLFA, but the total microbial biomass represented by PLFA index was low in the system. Microbial spatial distribution showed significantly higher bacterial (both G(+) and G(-)) and fungal biomass in the surface than in the subsurface layers. The ratios of monounsaturated to branched PLFA demonstrated that an anaerobic layer sandwiched by two aerobic layers existed in the IVCW, consistent with the redox potential results. Analysis of the amoA revealed the presence of Nitrosomonas-like sequences in the surface substrate of the downflow chamber and apparent diversities of ammonia-oxidizing bacteria in the system. These results suggest that microorganisms, despite their relatively low biomass, have inhabited the IVCW, and the results will offer some valuable information on microbe to system designers and managers.
KeywordAmmonia-oxidizing Bacteria Constructed Wetland Microbial Community Plfa
Department[Zhou Qiaohong; He Feng; Zhang Liping; Wang Yanfen; Wu Zhenbin] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
Subject AreaEnvironmental Sciences
Funding OrganizationNational High Technology Research and Development Program (863) of China [2002AA601021]; National Natural Science Funds for Distinguished Young Scholar in China [39925007]; Key Programs for Science and Technology Development of Hubei Province, China [2006AA305A03] ; National High Technology Research and Development Program (863) of China [2002AA601021]; National Natural Science Funds for Distinguished Young Scholar in China [39925007]; Key Programs for Science and Technology Development of Hubei Province, China [2006AA305A03] ; National High Technology Research and Development Program (863) of China [2002AA601021]; National Natural Science Funds for Distinguished Young Scholar in China [39925007]; Key Programs for Science and Technology Development of Hubei Province, China [2006AA305A03] ; National High Technology Research and Development Program (863) of China [2002AA601021]; National Natural Science Funds for Distinguished Young Scholar in China [39925007]; Key Programs for Science and Technology Development of Hubei Province, China [2006AA305A03]
Indexed BySCI
Language英语
WOS IDWOS:000269849000015
Funding OrganizationNational High Technology Research and Development Program (863) of China [2002AA601021]; National Natural Science Funds for Distinguished Young Scholar in China [39925007]; Key Programs for Science and Technology Development of Hubei Province, China [2006AA305A03] ; National High Technology Research and Development Program (863) of China [2002AA601021]; National Natural Science Funds for Distinguished Young Scholar in China [39925007]; Key Programs for Science and Technology Development of Hubei Province, China [2006AA305A03] ; National High Technology Research and Development Program (863) of China [2002AA601021]; National Natural Science Funds for Distinguished Young Scholar in China [39925007]; Key Programs for Science and Technology Development of Hubei Province, China [2006AA305A03] ; National High Technology Research and Development Program (863) of China [2002AA601021]; National Natural Science Funds for Distinguished Young Scholar in China [39925007]; Key Programs for Science and Technology Development of Hubei Province, China [2006AA305A03]
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/7582
Collection期刊论文
Corresponding AuthorHe, F, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Zhou Qiaohong,He Feng,Zhang Liping,et al. Characteristics of the microbial communities in the integrated vertical-flow constructed wetlands[J]. JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,2009,21(9):1261-1267.
APA Zhou Qiaohong,He Feng,Zhang Liping,Wang Yanfen,Wu Zhenbin,&He, F, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China.(2009).Characteristics of the microbial communities in the integrated vertical-flow constructed wetlands.JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,21(9),1261-1267.
MLA Zhou Qiaohong,et al."Characteristics of the microbial communities in the integrated vertical-flow constructed wetlands".JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA 21.9(2009):1261-1267.
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