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

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

doi:https://doi.org/10.5194/bg-13-5917-2016

Articles | Volume 13, issue 21

https://doi.org/10.5194/bg-13-5917-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/bg-13-5917-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 13, issue 21

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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Final revised paper (published on 01 Nov 2016)
Preprint (discussion started on 20 Apr 2016)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC1: 'Comments and suggestions', Anonymous Referee #1, 10 May 2016
- AC1: 'Response to referee #1, Charalampopoulou et al', Alex Poulton, 28 Aug 2016
RC2: 'Comments and suggestions', Mariem Saavedra-Pellitero, 18 May 2016
- AC2: 'Response', Alex Poulton, 28 Aug 2016

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

ED: Reconsider after major revisions (08 Sep 2016) by Koji Suzuki

AR by Alex Poulton on behalf of the Authors (08 Sep 2016) Author's response Manuscript

ED: Referee Nomination & Report Request started (09 Sep 2016) by Koji Suzuki

RR by Mariem Saavedra-Pellitero (20 Sep 2016)

ED: Publish subject to technical corrections (25 Sep 2016) by Koji Suzuki

AR by Alex Poulton on behalf of the Authors (30 Sep 2016) Author's response Manuscript

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.