Articles | Volume 14, issue 16
Biogeosciences, 14, 3831–3849, 2017
https://doi.org/10.5194/bg-14-3831-2017

Special issue: Effects of rising CO2 on a Baltic Sea plankton...

Biogeosciences, 14, 3831–3849, 2017
https://doi.org/10.5194/bg-14-3831-2017

Research article 29 Aug 2017

Research article | 29 Aug 2017

Alterations in microbial community composition with increasing fCO2: a mesocosm study in the eastern Baltic Sea

Katharine J. Crawfurd et al.

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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 (20 Jun 2016) by E.P. Achterberg
AR by K. Crawfurd on behalf of the Authors (02 Aug 2016)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (18 Sep 2016) by E.P. Achterberg
RR by Anonymous Referee #2 (16 Oct 2016)
RR by Anonymous Referee #1 (18 Oct 2016)
RR by Anonymous Referee #3 (22 Nov 2016)
ED: Reconsider after major revisions (06 Dec 2016) by E.P. Achterberg
AR by K. Crawfurd on behalf of the Authors (01 Jun 2017)  Author's response    Manuscript
ED: Publish subject to minor revisions (Editor review) (21 Jun 2017) by E.P. Achterberg
AR by K. Crawfurd on behalf of the Authors (24 Jun 2017)  Author's response    Manuscript
ED: Publish as is (03 Jul 2017) by E.P. Achterberg
AR by K. Crawfurd on behalf of the Authors (11 Jul 2017)  Author's response    Manuscript
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Short summary
Carbon dioxide (CO2) is increasing in the atmosphere and oceans. To simulate future conditions we manipulated CO2 concentrations of natural Baltic seawater in 55 m3 bags in situ. We saw increased growth rates and abundances of the smallest-sized eukaryotic phytoplankton and reduced abundances of other phytoplankton with increased CO2. Viral and bacterial abundances were also affected. This would lead to more carbon recycling in the surface water and affect marine food webs and the carbon cycle.
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