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Biogeosciences An interactive open-access journal of the European Geosciences Union
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Volume 12, issue 6
Biogeosciences, 12, 1753–1763, 2015
https://doi.org/10.5194/bg-12-1753-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Biogeosciences, 12, 1753–1763, 2015
https://doi.org/10.5194/bg-12-1753-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 18 Mar 2015

Research article | 18 Mar 2015

Boron incorporation in the foraminifer Amphistegina lessonii under a decoupled carbonate chemistry

K. Kaczmarek et al.
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Cited articles  
Allen, K. A., Hönisch, B., Eggins, S. M., Yu, J., Spero, H. J., and Elderfield, H.: Controls on boron incorporation in cultured tests of the planktic foraminifer Orbulina universa, Earth Planet. Sc. Lett., 309, 291–301, 2011.
Allen, K. A., Hönisch, B., Eggins, S. M., and Rosenthal, Y.: Environmental controls on B / Ca in calcite tests of the tropical planktic foraminifer species Globigerinoides ruber and Globigerinoides sacculifer, Earth Planet. Sc. Lett., 351–352, 270–280, 2012.
Bradshaw, A. L., Brewer, P. G., Shafer, D. K., and Williams, R. T.: Measurements of total carbon dioxide and alkalinity by potentiometric titration in the GEOSECS program, Earth Planet. Sc. Lett., 55, 99–115, 1981.
Brown, R. E., Anderson, L. D., Thomas, E., and Zachos, J. C.: A core-top calibration of B / Ca in the benthic foraminifers Nuttallides umbonifera and Oridorsalis umbonatus: A proxy for Cenozoic bottom water carbonate saturation, Earth Planet. Sc. Lett., 310, 360–368, 2011.
Catanzaro, E. J., Champion, C. E., Garner, E. L., Marinenko, G., Sappenfield, K. M., and Shields, W. R.: Boric Acid. Isotopic, and Assay Standard Reference Materials, Nat. Bur. Stand. (U.S.) Spec. Publ., 260–17, 70, 1970.
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Short summary
Culture experiments based on a decoupled pH and CO32- chemistry indicate that the δ11B of the test of A. lessonii is related to pH whereas the B/Ca of the foraminiferal shells show a positive correlation with B(OH)4-/HCO3-. The latter observation suggests a competition between B(OH)4- and HCO3- of the culture media for B uptake into the test.
Culture experiments based on a decoupled pH and CO32- chemistry indicate that the δ11B of the...
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