期刊
ENVIRONMENTAL POLLUTION
卷 184, 期 -, 页码 481-487出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2013.09.025
关键词
Ozone uptake; Nitrogen deposition; Soil acidification; Stomatal conductance; Fagus crenata
资金
- Ministry of the Environment, Japan [5B-1105]
A multiplicative stomatal conductance model was constructed to estimate stomatal O-3 uptake of Fagus crenata exposed to O-3 under different N loads to the soil. Our stomatal conductance model included environmental functions such as the stomatal responses of E crenata to diurnal changes, chronic O-3 stress (AOT0), acute O-3 stress (O-3 concentration), and nitrogen load to soil. The model could explain 62% of the variability in stomatal conductance. We suggest therefore that stomatal closure induced by O-3 and N load-induced soil acidification must be taken into account in developing a stomatal conductance model for estimating stomatal O-3 uptake for future risk assessment of O-3 impact on Japanese forest tree species such as E crenata. (C) 2013 Elsevier Ltd. All rights reserved.
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