Stem hydraulic conductance of European beech (Fagus sylvatica L.) and pedunculate oak (Quercus robur L.) grown in elevated CO2

Over two seasons in c. 600 ppm CO2, oak had lower stomatal conductance in CO2-enriched compared to amblent air. Beech showed no response to CO2 concentration on sunny days. Mirroring this pattern, exposure to elevated CO2 reduced whole-shoot hydraulic conductance per unit leaf area in oak, but not i...

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Bibliographic Details
Published in:Journal of experimental botany 1997-07, Vol.48 (7), p.1487-1489
Main Authors: Heath, J., Kerstiens, G., Tyree, M.T.
Format: Article
Language:English
Subjects:
Animal, plant and microbial ecology
Applied ecology
Biological and medical sciences
Climate change
Drought
Ecotoxicology, biological effects of pollution
Effects of pollution and side effects of pesticides on plants and fungi
Fagaceae
Fundamental and applied biological sciences. Psychology
gas exchange
Heathlands
Hydraulics
Leaf area
Nutrient nutrient interactions
Plant physiology and development
Plants
Seedlings
SHORT COMMUNICATION
Stomatal conductance
Transpiration
trees
Water and solutes. Absorption, translocation and permeability
Water consumption
water relations
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Summary:Over two seasons in c. 600 ppm CO2, oak had lower stomatal conductance in CO2-enriched compared to amblent air. Beech showed no response to CO2 concentration on sunny days. Mirroring this pattern, exposure to elevated CO2 reduced whole-shoot hydraulic conductance per unit leaf area in oak, but not in beech.
ISSN:0022-0957
1460-2431
DOI:10.1093/jxb/48.7.1487