Simulating leaf net CO2 assimilation rate of C3 & C4 plants and its response to environmental factors

Basic structure and algorithm of leaf mechanism photosynthesis model were described in first part of this study based on former researcher results. Then, considering some environmental factors influencing on leaf photosynthesis, three numerical sensitivity experiments were carried out. We simulated...

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Bibliographic Details
Published in:Journal of forestry research 2001-03, Vol.12 (1), p.9-12
Main Authors: Jia-hua, Zhang, Feng-mei, Yao
Format: Article
Language:English
Subjects:
Algorithms
Assimilation
Biological assimilation
Carbon dioxide
Carbon dioxide concentration
Climate models
Environmental factors
Forestry
Leaves
Photosynthesis
Photosynthetically active radiation
Plants
Plants (botany)
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Summary:Basic structure and algorithm of leaf mechanism photosynthesis model were described in first part of this study based on former researcher results. Then, considering some environmental factors influencing on leaf photosynthesis, three numerical sensitivity experiments were carried out. We simulated the single leaf net CO2 assimilation, which acts as a function of different light, carbon dioxide and temperature conditions. The relationships between leaf net photosynthetic rate of C3 and C4 plant with CO2 concentration intercellular, leaf temperature, and photosynthetic active radiation (PAR) were presented, respectively. The results show the numerical experiment may indicate the main characteristic of plant photosynthesis in C3 and C4 plant, and further can be used to integrate with the regional climate model and act as land surface process scheme, and better understand the interaction between vegetation and atmosphere.
ISSN:1007-662X
1993-0607
DOI:10.1007/BF02856791