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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Latest update: 08 Aug 2022
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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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