300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Carpinus betulus L. [European Hornbeam]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
3
|
|
|
| Arithmetic Mean |
35.3%
|
|
|
| Standard Error |
26.4%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Hattenschwiler and Korner (2003) |
Plants grown from seed for three years beneath the canopy of the 120-year-old Hofstetten Experimental Forest near Basel, Switzerland, in open-top chambers exposed to light of approximately 2.2% the intensity of full sunlight
|
45%
|
|
|
|
Heath et al. (2005) |
Well-watered seedlings grown for 15 months in vertical sections of 16-cm-diameter polyethylene tubes supplied with 10 liters of fertilized soil containing 2.5 g/liter of slow release Osmocote fertilizer, all located within several 4.5-m-diameter Solardomes
|
86%
|
|
|
|
Heath et al. (2005) |
Well-watered seedlings grown for 15 months in vertical sections of 16-cm-diameter polyethylene tubes supplied with 10 liters of unfertilized soil, all located within several 4.5-m-diameter Solardomes
|
-25%
|
|
|