Articles | Volume 13, issue 21
https://doi.org/10.5194/bg-13-6081-2016
https://doi.org/10.5194/bg-13-6081-2016
Reviews and syntheses
 | Highlight paper
 | 
04 Nov 2016
Reviews and syntheses | Highlight paper |  | 04 Nov 2016

Effects of ocean acidification on pelagic carbon fluxes in a mesocosm experiment

Kristian Spilling, Kai G. Schulz, Allanah J. Paul, Tim Boxhammer, Eric P. Achterberg, Thomas Hornick, Silke Lischka, Annegret Stuhr, Rafael Bermúdez, Jan Czerny, Kate Crawfurd, Corina P. D. Brussaard, Hans-Peter Grossart, and Ulf Riebesell

Data sets

KOSMOS Finland 2012 mesocosm study: primary production and respiration K. Spilling, A. Paul, N. Virkkala, T. Hastings, S. Lischka, A. Stuhr, R. Bermúdez, J. Czerny, T. Boxhammer, K. G. Schulz, A. Ludwig, and U. Riebesell https://doi.org/10.1594/PANGAEA.863933

KOSMOS Finland 2012 mesocosm study: carbonate chemistry, particulate and dissolved matter pools, and phytoplankton community composition using marker pigments (CHEMTAX) Allanah Paul, Kai Georg Schulz, Eric P. Achterberg, Dana Hellemann, Monika Nausch, Tim Boxhammer, Lennart Thomas Bach, and Yves Trense https://doi.org/10.1594/PANGAEA.863032

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Short summary
We performed an experiment in the Baltic Sea in order to investigate the consequences of the increasing CO2 levels on biological processes in the free water mass. There was more accumulation of organic carbon at high CO2 levels. Surprisingly, this was caused by reduced loss processes (respiration and bacterial production) in a high-CO2 environment, and not by increased photosynthetic fixation of CO2. Our carbon budget can be used to better disentangle the effects of ocean acidification.
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