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[期刊论文]

Use of ecological concrete for nutrient removal in coastal sediment and its effects on sediment microbial communities

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author:

Liu, Lemian (Liu, Lemian.) [1] (Scholars:刘乐冕) | Ji, Jiannan (Ji, Jiannan.) [2] | Guo, Yisong (Guo, Yisong.) [3] | Unfold

Indexed by:

EI SCIE

Abstract:

Ecological concrete (eco-concrete) can reduce excess nutrients (nitrogen and phosphorus) in water, but its effectiveness in removing nutrients in marine coastal sediments and the response of sediment microbial communities to its use are largely unknown. In this study, eco-concrete planted with Bruguiera gymnorrhiza was used to remove nutrients in marine coastal sediment. We found that the mean removal efficiencies of sediment total nitrogen and total phosphorus by using planted eco-concrete were 11.50% and 30.31% on day 60, and were higher than those obtained by only using B. gymnorrhiza (7.14% and 7.36%). the Diatoms and bacterial genera Fusibacter and Anoxynatronum (which belong to Firmicutes) increased and became the abundant microbes by day 60 when using planted eco-concrete, indicating their potential roles in nutrient removal. Moreover, the ecoconcrete did not endanger the core microbes in sediment suggesting its environment-friendly character. Our results suggest a potential method to control marine coastal eutrophication.

Keyword:

Coastal wetland Ecological concrete Eutrophication Microbial community Nutrient removal Sediment

Community:

  • [ 1 ] [Liu, Lemian]Fuzhou Univ, Tech Innovat Serv Platform High Value & High Qual, Fuzhou 350108, Peoples R China
  • [ 2 ] [Ji, Jiannan]Fuzhou Univ, Tech Innovat Serv Platform High Value & High Qual, Fuzhou 350108, Peoples R China
  • [ 3 ] [Guo, Yisong]Fuzhou Univ, Tech Innovat Serv Platform High Value & High Qual, Fuzhou 350108, Peoples R China
  • [ 4 ] [Chen, Jianfeng]Fuzhou Univ, Tech Innovat Serv Platform High Value & High Qual, Fuzhou 350108, Peoples R China
  • [ 5 ] [Liu, Lemian]Fuzhou Univ, Fujian Engn & Technol Res Ctr Comprehens Utilizat, Fuzhou 350108, Peoples R China
  • [ 6 ] [Ji, Jiannan]Fuzhou Univ, Fujian Engn & Technol Res Ctr Comprehens Utilizat, Fuzhou 350108, Peoples R China
  • [ 7 ] [Guo, Yisong]Fuzhou Univ, Fujian Engn & Technol Res Ctr Comprehens Utilizat, Fuzhou 350108, Peoples R China
  • [ 8 ] [Chen, Jianfeng]Fuzhou Univ, Fujian Engn & Technol Res Ctr Comprehens Utilizat, Fuzhou 350108, Peoples R China
  • [ 9 ] [Liu, Lemian]Fuzhou Univ, Fuzhou Ind Technol Innovat Ctr High Value Utiliza, Fuzhou 350108, Peoples R China
  • [ 10 ] [Ji, Jiannan]Fuzhou Univ, Fuzhou Ind Technol Innovat Ctr High Value Utiliza, Fuzhou 350108, Peoples R China
  • [ 11 ] [Guo, Yisong]Fuzhou Univ, Fuzhou Ind Technol Innovat Ctr High Value Utiliza, Fuzhou 350108, Peoples R China
  • [ 12 ] [Chen, Jianfeng]Fuzhou Univ, Fuzhou Ind Technol Innovat Ctr High Value Utiliza, Fuzhou 350108, Peoples R China

Reprint 's Address:

  • 刘乐冕 陈剑锋

    [Liu, Lemian]Fuzhou Univ, Tech Innovat Serv Platform High Value & High Qual, Fuzhou 350108, Peoples R China;;[Chen, Jianfeng]Fuzhou Univ, Tech Innovat Serv Platform High Value & High Qual, Fuzhou 350108, Peoples R China

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Source :

MARINE POLLUTION BULLETIN

ISSN: 0025-326X

Year: 2021

Volume: 162

7 . 0 0 1

JCR@2021

5 . 3 0 0

JCR@2023

ESI Discipline: ENVIRONMENT/ECOLOGY;

ESI HC Threshold:114

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 0

30 Days PV: 2

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