Articles | Volume 18, issue 9
Biogeosciences, 18, 2859–2870, 2021
https://doi.org/10.5194/bg-18-2859-2021
Biogeosciences, 18, 2859–2870, 2021
https://doi.org/10.5194/bg-18-2859-2021

Research article 11 May 2021

Research article | 11 May 2021

Evaluating the response of δ13C in Haloxylon ammodendron, a dominant C4 species in Asian desert ecosystems, to water and nitrogen addition as well as the availability of its δ13C as an indicator of water use efficiency

Zixun Chen et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (12 Jan 2021) by Aninda Mazumdar
AR by Guoan Wang on behalf of the Authors (15 Feb 2021)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (21 Feb 2021) by Aninda Mazumdar
RR by Anonymous Referee #3 (10 Mar 2021)
ED: Publish subject to minor revisions (review by editor) (18 Mar 2021) by Aninda Mazumdar
AR by Guoan Wang on behalf of the Authors (28 Mar 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish as is (05 Apr 2021) by Aninda Mazumdar
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Short summary
δ13C in plants is a sensitive long-term indicator of physiological acclimatization. The present study suggests that precipitation change and increasing atmospheric N deposition have little impact on δ13C of H. ammodendron, a dominant plant in central Asian deserts, but affect its gas exchange. In addition, this study shows that δ13C of H. ammodendron could not indicate its water use efficiency (WUE), suggesting that whether δ13C of C4 plants indicates WUE is species-specific.
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