Articles | Volume 15, issue 21
Biogeosciences, 15, 6451–6460, 2018
Biogeosciences, 15, 6451–6460, 2018

Research article 02 Nov 2018

Research article | 02 Nov 2018

Dynamic mercury methylation and demethylation in oligotrophic marine water

Kathleen M. Munson et al.


Interactive discussion

Status: closed
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 (26 Aug 2018) by Gerhard Herndl
AR by Kathleen Munson on behalf of the Authors (30 Sep 2018)  Author's response    Manuscript
ED: Publish as is (07 Oct 2018) by Gerhard Herndl
AR by Kathleen Munson on behalf of the Authors (17 Oct 2018)  Author's response    Manuscript
Short summary
Methylmercury accumulates in marine organisms and is produced by bacterial processes in sediment systems. To date, the contribution of these processes to the marine water column is poorly understood. We measured noncellular production and breakdown of methylmercury in equatorial Pacific waters. We observed enhanced production in filtered waters that suggests noncellular processes result in rapid mercury transformations and, in turn, control methylmercury concentrations in the open ocean.
Final-revised paper