Articles | Volume 17, issue 4
https://doi.org/10.5194/bg-17-1169-2020
https://doi.org/10.5194/bg-17-1169-2020
Research article
 | 
28 Feb 2020
Research article |  | 28 Feb 2020

Light availability modulates the effects of warming in a marine N2 fixer

Xiangqi Yi, Fei-Xue Fu, David A. Hutchins, and Kunshan Gao

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Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (30 Dec 2019) by Carol Robinson
AR by Kunshan Gao on behalf of the Authors (23 Jan 2020)  Author's response   Manuscript 
ED: Referee Nomination & Report Request started (26 Jan 2020) by Carol Robinson
RR by Anonymous Referee #3 (30 Jan 2020)
RR by Anonymous Referee #1 (01 Feb 2020)
ED: Publish as is (01 Feb 2020) by Carol Robinson
AR by Kunshan Gao on behalf of the Authors (02 Feb 2020)  Manuscript 
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Short summary
Combined effects of warming and light intensity were estimated in N2-fixing cyanobacterium Trichodesmium. Its physiological responses to warming were significantly modulated by light, with growth peaking at 27 °C under the light-saturating condition but being non-responsive across the range of 23–31 °C under the light-limiting condition. Light shortage also weakened the acclimation ability of Trichodesmium to warming, making light-limited Trichodesmium more sensitive to acute temperature change.
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