Abstract
Pinus sylvestriformis is an important species as an indicator of global climate changes in Changbai Mountain, China. The water use efficiency (WUE) of this species (11-year old) was studied on response to elevated CO2 concentration at 500±100 μL·L−1 by directly injecting CO2 into the canopy under natural condition in 1998–1999. The results showed that the elevated CO2 concentration reduced averagely stomatal opening, stomatal conductance and stomatal density to 78%, 80% and 87% respectively, as compared to normal ambient. The elevated CO2 reduced the transpiration and enhances the water use efficiency (WUE) of plant.
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The project was supported by Chinese Academy of Sciences
Responsible editor: Chai Ruihai
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Shijie, H., Junhui, Z., Chenrui, W. et al. Effect of elevated ambient CO2 concentration on water use efficiency ofPinus sylvestriformis . Journal of Forestry Research 10, 209–210 (1999). https://doi.org/10.1007/BF02855456
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DOI: https://doi.org/10.1007/BF02855456