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Halogen and oxyanion variability in marine algae: A study in the St. Martin’s Island, Bangladesh Cover

Halogen and oxyanion variability in marine algae: A study in the St. Martin’s Island, Bangladesh

Open Access
|Mar 2026

Figures & Tables

Figure 1

Microalgae and macroalgae collection site on St. Martin’s Island of Bangladesh.
Microalgae and macroalgae collection site on St. Martin’s Island of Bangladesh.

Figure S1

Algal species collected in this study: (A) P. tenuis (C. Agardh) Bory (B) S. flavicans J. Ag. (C) H. opuntia (L.) Lamx. (D) H. boergesenii Tak. Tanaka (E) C. echinus (Bias.) Kg. (F) C. patentiramea (Mont.) Kg. (G) L. confervoides Ag. (H) C. fastigeatum Harvey.
Algal species collected in this study: (A) P. tenuis (C. Agardh) Bory (B) S. flavicans J. Ag. (C) H. opuntia (L.) Lamx. (D) H. boergesenii Tak. Tanaka (E) C. echinus (Bias.) Kg. (F) C. patentiramea (Mont.) Kg. (G) L. confervoides Ag. (H) C. fastigeatum Harvey.

Figure S2

IC-chromatogram of P. tennuis. IC, ion chromatography.
IC-chromatogram of P. tennuis. IC, ion chromatography.

Figure S3

IC-chromatogram of S. flavicans. IC, ion chromatography.
IC-chromatogram of S. flavicans. IC, ion chromatography.

Figure S4

IC chromatogram of H. opuntia. IC, ion chromatography.
IC chromatogram of H. opuntia. IC, ion chromatography.

Figure S5

IC chromatogram of H. boergesenii. IC, ion chromatography.
IC chromatogram of H. boergesenii. IC, ion chromatography.

Figure S6

IC chromatogram of C. echinus. IC, ion chromatography.
IC chromatogram of C. echinus. IC, ion chromatography.

Figure S7

IC chromatogram of C. patentiramea. IC, ion chromatography.
IC chromatogram of C. patentiramea. IC, ion chromatography.

Figure S8

IC chromatogram of L. confervoides. IC, ion chromatography.
IC chromatogram of L. confervoides. IC, ion chromatography.

Figure S9

IC chromatogram of C. fastigiatum. IC, ion chromatography.
IC chromatogram of C. fastigiatum. IC, ion chromatography.

Halogen and oxyanion profile of marine algae (mg · g−1 of dry algal biomass) from St_ Martin’s Island of Bangladesh_

Algae typeGroupSpeciesCl (mg · g−1)F (mg · g−1)SO4−2 (mg · g−1)NO3(mg · g−1)
MacroalgaeBrown algaeP. tenuis10.22-21.35-
S. flavicans7.220.046.330.24
Green algaeH. opuntia4.25-2.880.32
Red algaeH. boergesenii3.830.223.010.22
MicroalgaeGreen algaeC. echinus4.1-2.880.32
C. patentiramea11.18-11.79-
CyanophytaL. confervoides5.860.13.930.06
Red algaeC. fastigiatum23.94-7.980.24
DOI: https://doi.org/10.26881/oahs-2026.1.02 | Journal eISSN: 1897-3191 | Journal ISSN: 1730-413X
Language: English
Submitted on: Sep 3, 2025
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Accepted on: Dec 19, 2025
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Published on: Mar 4, 2026
Published by: University of Gdańsk
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2026 Swachsa Rahman, Arnob Ghosh, Md. Biplob Hasan, Moniruzzaman Khondker, Fateeha Noor, Mir Shariful Islam, Mustafizur Rahman Naim, Mahmudul Hasan, published by University of Gdańsk
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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