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Bio-desalination of sea water using floating plants; A laboratory experiment on three mangroves species

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Abstract

The plant species mangrove has been knowed to be effective for the bio-desalination process. However, there is currently no scientific evidence supporting the ability of mangrove bio-desalination when implemented through the floating method. This laboratory-scale study aimed to evaluate the bio-desalination of several mangrove species using the floating method. This study consisted of four treatments and three replicates. Treatments included a control group without mangroves (treatment A) and three treatments using mangroves (treatments B, C, and D), Bruguiera sp., Rhizophora sp., and Avicennia sp., which were positioned floating in a tank using a tray. During the eight weeks of rearing, nutrients were provided through 60 mL liquid NPK fertilization. The results showed that there was a decrease in salinity concentration in all mangrove treatments between 22.5-23.9 ppt from the initial salinity of 30 ppt. Different results were observed for the treatment without mangroves, and the salinity concentration tended to increase until the end of the research to 31.6 ppt. The highest Salinity Reduction Efficiency (SRE) was achieved by Avicennia sp.. (25.1%), followed by Rhizophora sp. (22.8%), and the lowest in Bruguiera sp. (20.3%). The results of this study showed that bio-desalination using mangroves had a significant effect on SRE, and each treatment indicated a significant difference (p<0.05). The results of this study provide initial evidence of the potential of the mangrove floating method for bio-desalination of seawater into brackish water.

Keywords

Bio-desalination
Species mangrove
Floating bed
Laboratorium scale

Introduction

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Material and Methods

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Results

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Discussion

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Competing interest

The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

Conflict of interest

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

Ethical approval acknowledgements

No ethical approval required for this article. All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2008 (5)

Supplementary files

Data sharing not applicable to this article as no datasets were generated or analysed during the current study, and/or contains supplementary material, which is available to authorized users.

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Cite this article as:

Hidayani, M.T., Wulandari, S., Heriansah, & Agusma, E.N., 2023. Bio-desalination of sea water using floating plants; A laboratory experiment on three mangroves species. Akuatikisle: Jurnal Akuakultur, Pesisir dan Pulau-Pulau Kecil 7(2): 159-164. https://doi.org/10.29239/j.akuatikisle.7.2.159-164
  • Submitted
    22 October 2023
  • Accepted
    12 November 2023
  • Published
    12 November 2023
  • Version of record
    23 July 2024
  • Issue date
    30 November 2023
  • Academic subject
    Marine Sciences

Keywords

MesalinaTriHidayani, Program Studi Ilmu Kelautan, Institut Teknologi dan Bisnis Maritim Balik Diwa, Tamalarea, Makassar, Sulawesi Selatan 90245, Indonesia.

mesha.tri@gmail.comscholarGoogle Scholar Profile

SriWulandari, Program Studi Ilmu Kelautan, Institut Teknologi dan Bisnis Maritim Balik Diwa, Tamalarea, Makassar, Sulawesi Selatan 90245, Indonesia.

sriwulandarigokaust@gmail.comscholarGoogle Scholar Profile

Heriansah, Program Studi Sumberdaya Akuatik, Institut Teknologi dan Bisnis Maritim Balik Diwa, Tamalarea, Makassar, Sulawesi Selatan 90245, Indonesia.

heriansah.itbm.bd@gmail.comorcidOrcid ProfilescholarGoogle Scholar Profile

ElmiNovriantiAgusma, Program Studi Ilmu Kelautan, Institut Teknologi dan Bisnis Maritim Balik Diwa, Tamalarea, Makassar, Sulawesi Selatan 90245, Indonesia.

ikelminovriantiagusma@gmail.com
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