Articles | Volume 17, issue 1
https://doi.org/10.5194/bg-17-245-2020
https://doi.org/10.5194/bg-17-245-2020
Research article
 | 
17 Jan 2020
Research article |  | 17 Jan 2020

Coccolithophore biodiversity controls carbonate export in the Southern Ocean

Andrés S. Rigual Hernández, Thomas W. Trull, Scott D. Nodder, José A. Flores, Helen Bostock, Fátima Abrantes, Ruth S. Eriksen, Francisco J. Sierro, Diana M. Davies, Anne-Marie Ballegeer, Miguel A. Fuertes, and Lisa C. Northcote

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Short summary
Coccolithophores account for a major fraction of the carbonate produced in the world's oceans. However, their contribution in the subantarctic Southern Ocean remains undocumented. We quantitatively partition calcium carbonate fluxes amongst coccolithophore species in the Australian–New Zealand sector of the Southern Ocean. We provide new insights into the importance of species other than Emiliania huxleyi in the carbon cycle and assess their possible response to projected environmental change.
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