Chemometric perspectives on plankton community responses to natural iron fertilisation over and downstream of the Kerguelen Plateau in the Southern Ocean

Trull, T. W.; Davies, D. M.; Dehairs, F.; Cavagna, A.-J.; Lasbleiz, M.; Laurenceau-Cornec, E. C.; d'Ovidio, F.; Planchon, F.; Leblanc, K.; Quéguiner, B.; Blain, S.

doi:https://doi.org/10.5194/bg-12-1029-2015

Articles | Volume 12, issue 4

https://doi.org/10.5194/bg-12-1029-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue:

KEOPS2: Kerguelen Ocean and Plateau Study 2

https://doi.org/10.5194/bg-12-1029-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 12, issue 4

Research article

|

18 Feb 2015

Research article |

| 18 Feb 2015

Chemometric perspectives on plankton community responses to natural iron fertilisation over and downstream of the Kerguelen Plateau in the Southern Ocean

T. W. Trull, D. M. Davies, F. Dehairs, A.-J. Cavagna, M. Lasbleiz, E. C. Laurenceau-Cornec, F. d'Ovidio, F. Planchon, K. Leblanc, B. Quéguiner, and S. Blain

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Interactive discussion

Status: closed

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

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RC C6235: 'Comments on Trull et al.', Anonymous Referee #1, 27 Oct 2014
- AC C7455: 'Author Response to Reviewer 1', D.M. Davies, 19 Dec 2014
RC C6435: 'Reviewer comment', Anonymous Referee #2, 03 Nov 2014
- AC C7462: 'Author Response to Reviewer 2', D.M. Davies, 19 Dec 2014

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

AR by D.M. Davies on behalf of the Authors (08 Jan 2015) Author's response Manuscript

ED: Publish as is (08 Jan 2015) by Ingrid Obernosterer

AR by D.M. Davies on behalf of the Authors (09 Jan 2015)

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Short summary

The KEOPS2 oceanographic study surveyed more than 30 sites downstream from the Kerguelen Islands in the Southern Ocean to examine the degree of variation in phytoplankton community responses to natural iron inputs. Our observations of community structure based on the chemical compositions of six microbial size fractions suggest that early spring trophodynamic and export responses differed between regions with persistently low levels versus punctually high levels of iron fertilisation.