Articles | Volume 13, issue 21
https://doi.org/10.5194/bg-13-5917-2016
https://doi.org/10.5194/bg-13-5917-2016
Research article
 | 
01 Nov 2016
Research article |  | 01 Nov 2016

Environmental drivers of coccolithophore abundance and calcification across Drake Passage (Southern Ocean)

Anastasia Charalampopoulou, Alex J. Poulton, Dorothee C. E. Bakker, Mike I. Lucas, Mark C. Stinchcombe, and Toby Tyrrell

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Short summary
Coccolithophores are global calcifiers, potentially impacted by ocean acidity. Data from the Southern Ocean is scarce, though latitudinal gradients of acidity exist. We made measurements of calcification, species composition and physiochemical environment between America and the Antarctic Peninsula. Calcification and cell calcite declined to the south, though rates of coccolith production did not. Declining temperature and irradiance were more important in driving latitudinal changes than pH.
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