Dataset S1 - Noelaerhabdaceae organic carbon isotope culture data compilation

Samuel Phelps, Gwenn Hennon, Sonya Dyhrman, María Hernández-Limón, Olivia Williamson & Pratigya Polissar
The carbon isotope fractionation in algal organic matter (Ep), including the long-chain alkenones produced by the coccolithophorid family Noelaerhabdaceae, is used to reconstruct past atmospheric CO2 levels. The conventional proxy linearly relates Ep to changes in cellular carbon demand relative to diffusive CO2 supply, with larger Ep values occurring at lower carbon demand relative to supply (i.e. abundant CO2). However, the response of Gephyrocapsa oceanica, one of the dominant alkenone producers of the last few...
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