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Impacting Microbial Communities and Absorbing Pollutants by Canna Indica and Cyperus Alternifolius in a Full-Scale Constructed Wetland System

Author

Listed:
  • Yinghai Wu

    (College of Marine and Civil Engineering, Dalian Ocean University, Dalian 116023, China
    Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou 510275, China)

  • Tao He

    (South China Institute of Environmental Science, Ministry of Environment Protection, Guangzhou 510655, China)

  • Chen Chen

    (South China Institute of Environmental Science, Ministry of Environment Protection, Guangzhou 510655, China)

  • Xiaohang Fang

    (South China Institute of Environmental Science, Ministry of Environment Protection, Guangzhou 510655, China)

  • Dongyang Wei

    (South China Institute of Environmental Science, Ministry of Environment Protection, Guangzhou 510655, China)

  • Jing Yang

    (South China Institute of Environmental Science, Ministry of Environment Protection, Guangzhou 510655, China)

  • Renduo Zhang

    (Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou 510275, China)

  • Rui Han

    (College of Marine Technology and Environment, Dalian Ocean University, Dalian 116023, China)

Abstract

Wetland plants that cover the wetlands play an important role in reducing pollutants. The aim of this study was to investigate the effect of two plant species on microbial communities and nitrogen-removal genes and to evaluate the contributions of absorbing pollutants by Canna indica (CI) and Cyperus alternifolius (CA) to the removal performance in both a vertical subsurface flow constructed wetland and a horizontal subsurface flow constructed wetland, which were part of a full-scale hybrid constructed wetland system. The microbial assemblages were determined using 16S rRNA high-throughput sequencing. Results showed that the presence of CI and CA positively affected microbial abundance and community in general and which was positive for the total bacteria and ammonia nitrogen removal in the CWs. The higher abundance of Nitrospirae appeared in the non-rhizosphere sediment (NRS) than that in the rhizosphere sediment (RS). More denitrification genes were found in NRS than in RS. The copy numbers of narG , nirS and nosZ genes for CA were higher than those for CI. Wetland plant species can significantly ( P < 0.05) affect the distribution of microbial communities in RS. Plant selection is important to promote the development of microbial communities with a more active and diverse catabolic capability and the contribution of plant absorption to the overall removal rate of wetland system can be neglected.

Suggested Citation

  • Yinghai Wu & Tao He & Chen Chen & Xiaohang Fang & Dongyang Wei & Jing Yang & Renduo Zhang & Rui Han, 2019. "Impacting Microbial Communities and Absorbing Pollutants by Canna Indica and Cyperus Alternifolius in a Full-Scale Constructed Wetland System," IJERPH, MDPI, vol. 16(5), pages 1-14, March.
    • Handle: RePEc:gam:jijerp:v:16:y:2019:i:5:p:802-:d:211097
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    Citations

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    Cited by:

    1. Yinghai Wu & Xinyu Rong & Cuiya Zhang & Renduo Zhang & Tao He & Yunjun Yu & Zhuangming Zhao & Jing Yang & Rui Han, 2020. "Response of the Intertidal Microbial Community Structure and Metabolic Profiles to Zinc Oxide Nanoparticle Exposure," IJERPH, MDPI, vol. 17(7), pages 1-15, March.
    2. Qiong Wan & Qingji Han & Hailin Luo & Tao He & Feng Xue & Zihuizhong Ye & Chen Chen & Shan Huang, 2020. "Ceramsite Facilitated Microbial Degradation of Pollutants in Domestic Wastewater," IJERPH, MDPI, vol. 17(13), pages 1-13, June.

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