Articles | Volume 12, issue 16
Biogeosciences, 12, 4939–4951, 2015
https://doi.org/10.5194/bg-12-4939-2015
Biogeosciences, 12, 4939–4951, 2015
https://doi.org/10.5194/bg-12-4939-2015
Research article
19 Aug 2015
Research article | 19 Aug 2015

Reconsidering the role of carbonate ion concentration in calcification by marine organisms

L. T. Bach

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Cited articles

Agostini, S., Fujimura, H., Higuchi, T., Yuyama, I., Casareto, B. E., Suzuki, Y., and Nakano, Y.: The effects of thermal and high-CO2 stresses on the metabolism and surrounding microenvironment of the coral Galaxea fascicularis., C. R. Biol., 336, 384–91, https://doi.org/10.1016/j.crvi.2013.07.003, 2013.
Allemand, D., Ferrier-Pagès, C., Furla, P., Houlbrèque, F., Puverel, S., Reynaud, S., Tambutté, É., Tambutté, S., and Zoccola, D.: Biomineralisation in reef-building corals: from molecular mechanisms to environmental control, C. R. Palevol, 3, 453–467, https://doi.org/10.1016/j.crpv.2004.07.011, 2004.
Bach, L. T., Riebesell, U., and Schulz, K. G.: Distinguishing between the effects of ocean acidification and ocean carbonation in the coccolithophore Emiliania huxleyi, Limnol. Oceanogr., 56, 2040–2050, https://doi.org/10.4319/lo.2011.56.6.2040, 2011.
Bach, L. T., Mackinder, L. C. M., Schulz, K. G., Wheeler, G., Schroeder, D. C., Brownlee, C., and Riebesell, U.: Dissecting the impact of CO2 and pH on the mechanisms of photosynthesis and calcification in the coccolithophore Emiliania huxleyi, New Phytol., 199, 121–34, https://doi.org/10.1111/nph.12225, 2013.
Bach, L. T., Riebesell, U., Gutowska, M. A., Federwisch, L., and Schulz, K. G.: A unifying concept of coccolithophore sensitivity to changing carbonate chemistry embedded in an ecological framework, Prog. Oceanogr., 135, 125–138, https://doi.org/10.1016/j.pocean.2015.04.012, 2015.
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Short summary
Calcification by marine organisms reacts to changing seawater carbonate chemistry, but it is unclear which components of the carbonate system drive the observed response. This study uncovers proportionalities between different carbonate chemistry parameters. These enable us to understand why calcification often correlates well with carbonate ion concentration, and they imply that net CaCO3 formation in high latitudes is not more vulnerable to ocean acidification than formation in low latitudes.
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