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Biogeosciences An interactive open-access journal of the European Geosciences Union
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Volume 14, issue 24 | Copyright
Biogeosciences, 14, 5693-5704, 2017
https://doi.org/10.5194/bg-14-5693-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 20 Dec 2017

Research article | 20 Dec 2017

Effects of alkalinity and salinity at low and high light intensity on hydrogen isotope fractionation of long-chain alkenones produced by Emiliania huxleyi

Gabriella M. Weiss et al.
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ED: Publish subject to minor revisions (review by editor) (23 Oct 2017) by Markus Kienast
AR by Anna Wenzel on behalf of the Authors (03 Nov 2017)  Author's response
ED: Publish as is (09 Nov 2017) by Markus Kienast
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Short summary
Algal-derived compounds allow us to make assumptions about environmental conditions in the past. In order to better understand how organisms record environmental conditions, we grew microscopic marine algae at different light intensities, salinities, and alkalinities in a temperature-controlled environment. We determined how these environmental parameters affected specific algal-derived compounds, especially their relative deuterium content, which seems to be mainly affected by salinity.
Algal-derived compounds allow us to make assumptions about environmental conditions in the past....
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