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《Journal of Anhui Agricultural Sciences》 2008-34
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Effects of Atmospheric SO_2 on Carbon Isotope Composition of Plants in Lanzhou City

HUANG Ya-juan et al (Institute of Environmental Sciences,College of Resource and Environmental Sciences,Lanzhou University,Lanzhou,Gansu 730000)  
Atmospheric SO2 affected carbon isotope composition(δ13C) of leaves by decreasing the stomatal conductance and photosynthetic rate of leaves.So the pollution situation of atmospheric SO2 could be reflected by using carbon isotope technology,which could provide the theoretical basis for controlling the pollution of atmospheric SO2 in cities.Through studying the carbon isotope composition of Sophora japonica leaves in Lanzhou City,the effects of atmospheric SO2 on carbon isotope composition of leaves were revealed.The results showed that δ13C value of leaves had a significant correlation with atmospheric SO2 concentration.
【CateGory Index】: Q945
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