Journal cover Journal topic
Biogeosciences An interactive open-access journal of the European Geosciences Union
Biogeosciences, 14, 5789-5804, 2017
https://doi.org/10.5194/bg-14-5789-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 4.0 License.
Research article
22 Dec 2017
The Holocene sedimentary record of cyanobacterial glycolipids in the Baltic Sea: an evaluation of their application as tracers of past nitrogen fixation
Martina Sollai et al.
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Interactive discussionStatus: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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RC1: 'Influence by input or degradation? Hard to judge', Anonymous Referee #1, 30 Aug 2017 Printer-friendly Version 
AC1: 'Heterocystous glycolipids as biomarkers', Jaap S. Sinninghe Damsté, 14 Sep 2017 Printer-friendly Version 
 
RC2: 'Review of manuscript"The Holocene sedimentary record of cyanobacterial glycolipids in the Baltic Sea" by M. Sollai et al.', Anonymous Referee #2, 15 Sep 2017 Printer-friendly Version 
AC2: 'Rbuttal to the comments of Ref #2', Jaap S. Sinninghe Damsté, 28 Sep 2017 Printer-friendly Version 
 
SC1: 'Comments regarding the validity of the 15N and HG data', Daniel Conley, 25 Sep 2017 Printer-friendly Version 
AC3: 'Reply to comments by Dan Conley', Jaap S. Sinninghe Damsté, 28 Sep 2017 Printer-friendly Version 
SC2: 'Reply', Daniel Conley, 29 Sep 2017 Printer-friendly Version 
SC3: 'Reply to comments by Dan Conley', Jaap S. Sinninghe Damsté, 29 Sep 2017 Printer-friendly Version 
 
RC3: 'HGs as tracers for past Baltic Sea cyanobacterial communities. The complete picture?', Anonymous Referee #3, 17 Oct 2017 Printer-friendly Version 
AC4: 'Reply to comments by REF#3', Jaap S. Sinninghe Damsté, 20 Oct 2017 Printer-friendly Version 
Peer review completion
AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (review by editor) (25 Oct 2017) by Clare Woulds  
AR by Jaap S. Sinninghe Damsté on behalf of the Authors (13 Nov 2017)  Author's response  Manuscript
ED: Publish as is (22 Nov 2017) by Clare Woulds  
CC BY 4.0
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Short summary
The Baltic Sea is characterized by recurring summer phytoplankton blooms, dominated by a few cyanobacterial species. These bacteria are able to use dinitrogen gas as the source for nitrogen and produce very specific lipids. We analyzed these lipids in a sediment core to study their presence over the past 7000 years. This reveals that cyanobacterial blooms have not only occurred in the last decades but were common at times when the Baltic was connected to the North Sea.
The Baltic Sea is characterized by recurring summer phytoplankton blooms, dominated by a few...
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