Data for the paper: Physiological responses to ultra-high CO<sub>2</sub> levels in an evergreen tree species
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As atmospheric<b> </b>CO<sub>2</sub> increases globally, plants increase the rate of photosynthesis. Still, leaf gas exchange can be downregulated by the plant. Here we tested the limits of these plant responses in a fruit tree species under very high CO<sub>2</sub> levels relevant to future Earth and to contemporary Mars. Plant water use decreased at 1600 ppm CO<sub>2</sub> and remained low at 6000 ppm. Photosynthesis significantly increased at 6000 ppm. In summary, ultra-high CO<sub>2</sub> may partly compensate for limited water availability.
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figshare创建时间：
2025-07-23
