300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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100-year-old stand of deciduous trees dominated by Fagus sylvatica, Quercus petraea, Carpinus betulus, with lesser amounts of Tilia platyphyllos, Acer Campestre and Prunus avium
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
5
|
|
|
| Arithmetic Mean |
195.8%
|
|
|
| Standard Error |
157.5%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Lee et al. (2001) |
One-year perennial grassland FACE study
|
16%
|
|
|
|
Lee et al. (2011) |
Photosynthesis of upper fully-expanded young to mid-aged leaves of plants
|
18%
|
|
|
|
Li et al. (2019) |
Net photosynthesis of plants grown in pots in controlled environment chambers under normal nitrogen application; cv Lianmai6
|
9%
|
|
|
|
Volin et al. (1998) |
controlled-environment chamber, low ozone
|
36%
|
|
|
|
Volin et al. (1998) |
controlled-environment chamber, high ozone
|
900%
|
|
|