Synergistic effects of UVR and simulated stratification on commensalistic phytoplankton–bacteria relationship in two optically contrasting oligotrophic Mediterranean lakes

Carrillo, P.; Medina-Sánchez, J. M.; Durán, C.; Herrera, G.; Villafañe, V. E.; Helbling, E. W.

doi:https://doi.org/10.5194/bg-12-697-2015

Articles | Volume 12, issue 3

https://doi.org/10.5194/bg-12-697-2015

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

https://doi.org/10.5194/bg-12-697-2015

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

Articles | Volume 12, issue 3

Research article

|

04 Feb 2015

Research article |

| 04 Feb 2015

Synergistic effects of UVR and simulated stratification on commensalistic phytoplankton–bacteria relationship in two optically contrasting oligotrophic Mediterranean lakes

P. Carrillo, J. M. Medina-Sánchez, C. Durán, G. Herrera, V. E. Villafañe, and E. W. Helbling

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Final revised paper (published on 04 Feb 2015)
Preprint (discussion started on 25 Aug 2014)

Interactive discussion

Status: closed

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

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- Supplement

RC C5028: 'P. Carrillo et al. (bg-2014-385', Anonymous Referee #1, 09 Sep 2014
- AC C6656: 'Response to the comments / suggestions of Reviewer 1', Presentación Carrillo, 12 Nov 2014
RC C5932: 'Review of the manuscript by Carillo and colleagues submitted to BG', Anonymous Referee #2, 16 Oct 2014
- AC C6648: 'Reply Anonymous Reviewer #2', Presentación Carrillo, 12 Nov 2014

Peer-review completion

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

AR by Presentación Carrillo on behalf of the Authors (04 Dec 2014) Author's response Manuscript

ED: Publish as is (26 Dec 2014) by Gerhard Herndl

AR by Presentación Carrillo on behalf of the Authors (03 Jan 2015) Manuscript

Short summary

Under UVR and stratification,the commensalistic algae-bacteria interaction was strengthened in the high-UVR lake, where excretion of organic carbon rates exceeded the bacterial carbon demand,but did not occur in the low-UVR lake.The greater UVR damage to algae and bacteria and the weakening of their commensalistic interaction found in the low-UVR lake indicates these lakes would be especially vulnerable to UVR. These results have implications for the C cycle in lakes of the Mediterranean region.