Articles | Volume 15, issue 1
Biogeosciences, 15, 1–12, 2018
https://doi.org/10.5194/bg-15-1-2018
Biogeosciences, 15, 1–12, 2018
https://doi.org/10.5194/bg-15-1-2018

Research article 02 Jan 2018

Research article | 02 Jan 2018

Effect of light on N2 fixation and net nitrogen release of Trichodesmium in a field study

Yangyang Lu et al.

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Interactive discussion

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 (15 Sep 2017) by Manmohan Sarin
AR by Shuh-Ji Kao on behalf of the Authors (01 Oct 2017)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (06 Oct 2017) by Manmohan Sarin
RR by Anonymous Referee #3 (06 Oct 2017)
RR by Anonymous Referee #1 (08 Oct 2017)
ED: Publish subject to minor revisions (Editor review) (16 Oct 2017) by Manmohan Sarin
AR by Shuh-Ji Kao on behalf of the Authors (27 Oct 2017)  Author's response    Manuscript
ED: Publish subject to technical corrections (01 Nov 2017) by Manmohan Sarin
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Short summary
We investigated the light response of field Trichodesmium N2 fixation and net dissolved nitrogen release behavior. Our results suggest that N2 fixation was a function of light intensity, and the light requirement of Trichodesmium nitrogen fixation was high relative to its photosynthetic light demand. Meanwhile, light is a crucial parameter driving the physiological state of Trichodesmium, which subsequently determined the C / N metabolism and net dissolved nitrogen release.
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