Articles | Volume 15, issue 5
Biogeosciences, 15, 1469–1482, 2018
https://doi.org/10.5194/bg-15-1469-2018
Biogeosciences, 15, 1469–1482, 2018
https://doi.org/10.5194/bg-15-1469-2018

Research article 09 Mar 2018

Research article | 09 Mar 2018

Calcification in a marginal sea – influence of seawater [Ca2+] and carbonate chemistry on bivalve shell formation

Jörn Thomsen et al.

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Cited articles

Bach, L. T.: Reconsidering the role of carbonate ion concentration in calcification by marine organisms, Biogeosciences, 12, 4939–4951, https://doi.org/10.5194/bg-12-4939-2015, 2015. 
Barott, K. L., Perez, S. O., Linsmayer, L. B., and Tresguerres, M.: Differential localization of ion transporters suggests distinct cellular mechanisms for calcification and photosynthesis between two coral species, Am. J. Physiol.-Reg. I., 309, R235–R246, 2015. 
Barton, A., Hales, B., Waldbusser, G. G., Langdon, C., and Felly, R. A.: The Pacific oyster Crassostrea gigas, shows negative correlation to naturally elevated carbon dioxide levels: Implications for near-term ocean acidification effects, Limnol. Oceanogr., 57, 698–710, 2012. 
Beldowski, J., Löffler, A., and Joensuu, L.: Distribution and biogeochemical control of total CO2 and total alkalinity in the Baltic Sea, J. Marine Syst., 81, 252–259, 2010. 
Blaustein, M. P. and Lederer, W. J.: Sodium/Calcium Exchange: Its physiological implications, Physiol. Rev., 79, 763–854, 1999. 
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Short summary
The distribution of mussel in estuaries is limited but the mechanisms are not well understood. We document for the first time that reduced Ca2+ concentration in the low saline, brackish Baltic Sea affects the ability of mussel larvae to calcify the first larval shell. As complete formation of the shell is a prerequisite for successful development, impaired calcification during this sensitive life stage can have detrimental effects on the species' ability to colonize habitats.
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