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. 2015 May 5;6:401. doi: 10.3389/fmicb.2015.00401

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Copyright © 2015 Sandrini, Cunsolo, Schuurmans, Matthijs and Huisman.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Changes in cyanobacterial abundance, light, dissolved inorganic carbon (DIC) and pH during a shift from low pCO₂ (200 ppm, white area) to high pCO₂ (1450 ppm, shaded area). (A) Cyanobacterial abundance (expressed as biovolume) and light intensity penetrating through the chemostat (I_out). (B) Dissolved CO₂ (dCO₂), bicarbonate (HCO⁻₃) and carbonate (CO²⁻₃) concentrations (logarithmic scale). (C) Dissolved inorganic carbon (DIC) and pH. Error bars indicate standard deviations (n = 4).