Articles | Volume 17, issue 4
Biogeosciences, 17, 1133–1145, 2020
https://doi.org/10.5194/bg-17-1133-2020

Special issue: Biogeochemical processes in highly dynamic peat-draining rivers...

Biogeosciences, 17, 1133–1145, 2020
https://doi.org/10.5194/bg-17-1133-2020

Research article 28 Feb 2020

Research article | 28 Feb 2020

Distribution and behaviour of dissolved selenium in tropical peatland-draining rivers and estuaries of Malaysia

Yan Chang et al.

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Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (16 Dec 2019) by Steven Bouillon
AR by Yan Chang on behalf of the Authors (28 Dec 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (03 Jan 2020) by Steven Bouillon
RR by O.S. Pokrovsky (16 Jan 2020)
ED: Publish subject to technical corrections (28 Jan 2020) by Steven Bouillon
AR by Yan Chang on behalf of the Authors (29 Jan 2020)  Author's response    Manuscript
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Short summary
Selenium (Se) is an essential micronutrient for many organisms. Our knowledge of dissolved Se biogeochemical cycling in tropical estuaries is limited. We have found that dissolved organic Se (DOSe) was the major speciation in the peat-draining rivers and estuaries. The DOSe fractions may be associated with high molecular weight peatland-derived carbon compounds and may photodegrade to more bioavailable forms once transported to oligotrophic coastal water, where they may promote productivity.
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