Articles | Volume 16, issue 12
Biogeosciences, 16, 2467–2479, 2019
https://doi.org/10.5194/bg-16-2467-2019
Biogeosciences, 16, 2467–2479, 2019
https://doi.org/10.5194/bg-16-2467-2019

Research article 19 Jun 2019

Research article | 19 Jun 2019

Biomarker evidence for the occurrence of anaerobic ammonium oxidation in the eastern Mediterranean Sea during Quaternary and Pliocene sapropel formation

Darci Rush et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (11 Apr 2019) by S. Wajih A. Naqvi
AR by Darci Rush on behalf of the Authors (16 May 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (22 May 2019) by S. Wajih A. Naqvi
RR by Cecile Blanchet (23 May 2019)
ED: Publish subject to technical corrections (27 May 2019) by S. Wajih A. Naqvi
AR by Darci Rush on behalf of the Authors (29 May 2019)  Author's response    Manuscript
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Short summary
Sapropels are layers of sediment that regularly occur in the Mediterranean. They indicate periods when the Mediterranean Sea water contained no oxygen, a gas vital for most large organisms. This research investigated a key process in the nitrogen cycle (anaerobic ammonium oxidation, anammox), which removes nitrogen – an important nutrient to algae – from the water, during sapropel events. Using lipids to trace this process, we found that anammox was active during the no-oxygen times.
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