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Simulation of the physiological responses of C-3 plant leaves to environmental factors by a model which combines stomatal conductance, photosynthesis and transpiration
Yu, Q
1998
Source PublicationACTA BOTANICA SINICA
Volume40Issue:8Pages:740-754
AbstractTranspiration element is included in the integrated stomatal conductance-photosynthesis model by considering gaseous transfer processes, so the present model is capable to simulate the influence of boundary layer conductance. Leuning in his revised Ball's model replaced relative humidity with VPDs(the vapor pressure deficit from stomatal pore to leaf surface) and thereby made the relation with transpiration more straightforward, and made it possible for the regulation of transpiration and the influence of boundary layer conductance to be integrated into the combined model. If the differences in water vapor and CO2 concentration between leaf and ambient air are considered, VPDs, the evaporative demand, is influenced by stomatal and boundary layer conductance. The physiological responses of photosynthesis, transpiration, and stomatal function, and the changes of intercellular CO2 and water use efficiency to environmental factors, such as wind speed, photon flux density, leaf temperature and ambient CO2, are analyzed. It is shown that if the boundary layer conductance drops to a level comparable with stomatal conductance, the results of simulation by the model presented here differ significantly from those by the previous model, and, in some cases, are more realistic than the latter.
SubtypeArticle
KeywordPhotosynthesis Transpiration Stomatal Conductance Boundary Layer Conductance Integrated Model
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
WOS Subject ExtendedBiochemistry & Molecular Biology ; Plant Sciences
WOS KeywordWATER-USE EFFICIENCY ; CO2 ASSIMILATION ; LEAF CONDUCTANCE ; ATMOSPHERIC CO2 ; BOUNDARY-LAYER ; CARBON-DIOXIDE ; HUMIDITY ; PRODUCTIVITY ; CANOPIES ; LIGHT
Indexed BySCI
Language英语
WOS SubjectBiochemistry & Molecular Biology ; Plant Sciences
WOS IDWOS:000075734000010
PublisherSCIENCE PRESS
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Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/68180
Collection中国科学院地理科学与资源研究所
Corresponding AuthorYu, Q
Affiliation1.Chinese Acad Sci, Inst Geog, Yucheng Comprehens Expt Stn, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Shanghai Inst Plant Physiol, Dept Photosynth, Shanghai 200032, Peoples R China
Recommended Citation
GB/T 7714
Yu, Q. Simulation of the physiological responses of C-3 plant leaves to environmental factors by a model which combines stomatal conductance, photosynthesis and transpiration[J]. ACTA BOTANICA SINICA,1998,40(8):740-754.
APA Yu, Q.(1998).Simulation of the physiological responses of C-3 plant leaves to environmental factors by a model which combines stomatal conductance, photosynthesis and transpiration.ACTA BOTANICA SINICA,40(8),740-754.
MLA Yu, Q."Simulation of the physiological responses of C-3 plant leaves to environmental factors by a model which combines stomatal conductance, photosynthesis and transpiration".ACTA BOTANICA SINICA 40.8(1998):740-754.
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