Articles | Volume 14, issue 14
Biogeosciences, 14, 3549–3560, 2017
https://doi.org/10.5194/bg-14-3549-2017
Biogeosciences, 14, 3549–3560, 2017
https://doi.org/10.5194/bg-14-3549-2017

Research article 27 Jul 2017

Research article | 27 Jul 2017

Daily variation in net primary production and net calcification in coral reef communities exposed to elevated pCO2

Steeve Comeau et al.

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Cited articles

Anthony, K. R., Kline, D. I., Diaz-Pulido, G., Dove, S., and Hoegh-Guldberg, O.: Ocean acidification causes bleaching and productivity loss in coral reef builders, P. Natl. Acad. Sci., 105, 17442–17446, 2008.
Andersson, A. J. and Gledhill, D.: Ocean acidification and coral reefs: effects on breakdown, dissolution, and net ecosystem calcification, Annu. Rev. Mar. Sci., 5, 321–348, 2013.
Atkinson, M. J., Kotler, E., and Newton, P.: Effects of water velocity on respiration, calcification, and ammonium uptake of a Porites compressa community, Pac. Sci., 48, 296–303, 1994.
Borowitzka, M. A.: Photosynthesis and calcification in the articulated coralline red algae Amphiroa anceps and A. foliacea, Mar. Biol., 62, 17–23, 1981.
Britton, D., Cornwall, C. E., Revill, A. T., Hurd, C. L., and Johnson, C. R.: Ocean acidification reverses the positive effects of seawater pH fluctuations on growth and photosynthesis of the habitat-forming kelp, Ecklonia radiata, Scientific Reports, 6, 26036, https://doi.org/10.1038/srep26036, 2016.
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Here we investigate how CO2 enrichment affects the relationships light–production and light–calcification in coral reef communities. For the three communities tested, CO2 did not affect the light–production relationships, while calcification was lower at elevated CO2 for all light levels. Our result indicates that CO2 can modify the balance between net calcification and net photosynthesis of reef communities by depressing community calcification without affecting community photosynthesis.
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