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Stem hydraulic conductance of European beech (Fagus sylvatica L.) and pedunculate oak (Quercus robur L.) grown in elevated CO2 |
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| Authors: | Heath J; Kerstiens G; Tyree MT |
| Abstract: | Over two seasons in c. 600 ppm CO2, oak had lower stomatal conductancein CO2-enriched compared to amblent air. Beech showed no responseto CO2 concentration on sunny days. Mirroring this pattern,exposure to elevated CO2 reduced whole-shoot hydraulic conductanceper unit leaf area in oak, but not in beech. Key words: Climate change, Fagaceae, gas exchange, trees, water relations |
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