The Southern Annular Mode (SAM) influences phytoplankton communities in the seasonal ice zone of the Southern Ocean

Greaves, Bruce L.; Davidson, Andrew T.; Fraser, Alexander D.; McKinlay, John P.; Martin, Andrew; McMinn, Andrew; Wright, Simon W.

doi:https://doi.org/10.5194/bg-17-3815-2020

Articles | Volume 17, issue 14

https://doi.org/10.5194/bg-17-3815-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/bg-17-3815-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 17, issue 14

Research article

|

23 Jul 2020

Research article |

| 23 Jul 2020

The Southern Annular Mode (SAM) influences phytoplankton communities in the seasonal ice zone of the Southern Ocean

Bruce L. Greaves, Andrew T. Davidson, Alexander D. Fraser, John P. McKinlay, Andrew Martin, Andrew McMinn, and Simon W. Wright

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Final revised paper (published on 23 Jul 2020)
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Preprint (discussion started on 21 Oct 2019)
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Interactive discussion

Status: closed

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

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RC1: 'Review of Greaves et al.', Anonymous Referee #1, 16 Nov 2019
- AC1: 'response to comments by RC1', bruce greaves, 23 Dec 2019
RC2: 'First review', Damiano Righetti, 20 Nov 2019
- AC2: 'response to comments by RC2', bruce greaves, 23 Dec 2019
- AC3: 'response to comments by RC2', bruce greaves, 23 Dec 2019

Peer-review completion

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

ED: Reconsider after major revisions (09 Jan 2020) by Julia Uitz

AR by Anna Wenzel on behalf of the Authors (21 Feb 2020) Author's response Manuscript

ED: Referee Nomination & Report Request started (24 Feb 2020) by Julia Uitz

RR by Damiano Righetti (12 Mar 2020)

RR by Anonymous Referee #1 (23 Mar 2020)

ED: Publish subject to minor revisions (review by editor) (31 Mar 2020) by Julia Uitz

AR by bruce greaves on behalf of the Authors (18 May 2020) Author's response Manuscript

ED: Publish as is (27 May 2020) by Julia Uitz

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Short summary

We observed that variation in the Southern Annular Mode (SAM) over 11 years showed a relationship with the species composition of hard-shelled phytoplankton in the seasonal ice zone (SIZ) of the Southern Ocean. Phytoplankton in the SIZ are productive during the southern spring and summer when the area is ice-free, with production feeding most Antarctic life. The SAM is known to be increasing with climate change, and changes in phytoplankton in the SIZ may have implications for higher life forms.