Performance and bacterial community structure of a 10-years old constructed mangrove wetland

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

14 Scopus Citations
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Author(s)

  • Tingting Tian
  • Nora F.Y. Tam
  • Qijie Zan
  • Paul K.S. Shin
  • Y.S. Wong
  • Li Zhang
  • Zhanghe Chen

Detail(s)

Original languageEnglish
Pages (from-to)1096-1105
Journal / PublicationMarine Pollution Bulletin
Volume124
Issue number2
Online published12 Jul 2017
Publication statusPublished - 30 Nov 2017

Abstract

Constructed mangrove wetland has been used for wastewater treatment but its long-term performance has not been reported. One-year monitoring of a 10-years old horizontal subsurface-flow constructed mangrove wetland consisting of three belts, two with mangrove plants and one without, revealed that the system maintained high and stable removal percentages of organic matter and nutrients, and planted belts performed better than unplanted control. Substrates in belts planted with Aegiceras corniculatum or Kandelia obovata had higher abundance of ammonifiers, nitrifiers and denitrifiers but lower total heterotrophic bacteria than unplanted substrate. Denaturing gradient gel electrophoresis showed that microbial diversity in planted substrate was significantly lower than that in unplanted one. The bacteria in substrates, irrespective to belts, were phylogenetically related to Proteobacteria (most dominant), Acidobacteria, Firmicutes, Nitrospirae, Gemmatimonadetes, Chloroflexi and Cyanobacteria. The steady performance of this 10-year old constructed mangrove wetland was affected by the abundance and diversity of bacterial community in substrate.

Research Area(s)

  • Constructed wetlands, DGGE, Mangrove, Microbial community, Rhizosphere soil

Citation Format(s)

Performance and bacterial community structure of a 10-years old constructed mangrove wetland. / Tian, Tingting; Tam, Nora F.Y.; Zan, Qijie et al.

In: Marine Pollution Bulletin, Vol. 124, No. 2, 30.11.2017, p. 1096-1105.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review