Biogeosciences
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Articles | Volume 12, issue 6
Articles | Volume 12, issue 6
https://doi.org/10.5194/bg-12-1753-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-12-1753-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 12, issue 6
Research article
 | 
18 Mar 2015
Research article |  | 18 Mar 2015

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

K. Kaczmarek, G. Langer, G. Nehrke, I. Horn, S. Misra, M. Janse, and J. Bijma

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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.
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