Volume 8 Issue 2
Mar.  2018
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LI Helong, LI Shuangfei, LI Weiqi, LIN Jing. Influence of riverbed in-situ remediation on microbial community in urban rivers[J]. Journal of Environmental Engineering Technology, 2018, 8(2): 176-184. doi: 10.3969/j.issn.1674-991X.2018.02.024
Citation: LI Helong, LI Shuangfei, LI Weiqi, LIN Jing. Influence of riverbed in-situ remediation on microbial community in urban rivers[J]. Journal of Environmental Engineering Technology, 2018, 8(2): 176-184. doi: 10.3969/j.issn.1674-991X.2018.02.024
shu

Influence of riverbed in-situ remediation on microbial community in urban rivers

doi: 10.3969/j.issn.1674-991X.2018.02.024

  • 1. Shenzhen Biyuan Environmental Protection Technology Co., Ltd., Shenzhen 518028, China

  • 2. College of Life and Ocean Sciences, Shenzhen University, Shenzhen 518060, China

  • 3. Shenzhen Branch Testing Co., Ltd., Shenzhen 518000, China

  • Received Date: 2017-10-30
  • Publish Date: 2018-03-20
    Abstract
  • An overall microbial community analysis was performed with molecular biological testing methods for the riverbed after in-situ remediation. The results showed that the microbial community structure and diversity were changed obviously after in-situ ecological remediation. In the microbial diversity index term, the lower reaches of the river after in-situ remediation were higher than the upstream reaches. In the microbial community structure term, ε-Proteobacteria were the most important bacteria in the upstream, and most of them were pathogenic bacteria, which were related to the surrounding dense population and untreated water. After in-situ remediation, ε-Proteobacteria abundance was reduced in the downstream, furthermore, α-Proteobacteria and β-Proteobacteria became the dominant groups in the lower reaches of the river, and the proportion of other bacteria was also relatively balanced. In addition,NH3-N and other water quality indicators were improved. The research suggested that in-situ remediation technology has obvious effect on city landscape river ecological remediation.

     

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