300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Betula ermanii [Erman's Birch]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
2
|
|
|
| Arithmetic Mean |
53%
|
|
|
| Standard Error |
2.1%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Hoshika et al. (2012) |
Photosynthesis of well watered and fertilized two-year-old seedlings grown from July to October out-of-doors in 7-L pots within open-top chambers in the Sapporo Experimental Forest of Hokkaido University in northern Japan without (-) 60 nmol O3 per mol air during daytime hours
|
50%
|
|
|
|
Hoshika et al. (2012) |
Photosynthesis of well watered and fertilized two-year-old seedlings grown from July to October out-of-doors in 7-L pots within open-top chambers in the Sapporo Experimental Forest of Hokkaido University in northern Japan with (+) 60 nmol O3 per mol air during daytime hours
|
56%
|
|
|