300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Carpinus betulus [European Hornbeam]
300 ppm
|
600 ppm
|
900 ppm
|
|
Number of Results |
4
|
|
|
Arithmetic Mean |
14.8%
|
|
|
Standard Error |
6.4%
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
Heath et al. (2005) |
Well-watered seedlings grown for just over one year 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
|
1%
|
|
|
Heath et al. (2005) |
Well-watered seedlings grown for just over one year 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
|
35%
|
|
|
Kreuzwieser et al. (2006) |
Mature trees growing naturally in a forest northwest of Basel, Switzerland, where leaves were only exposed to elevated CO2 for a few minutes during the measurement period on several sunny days in August of 2000
|
8%
|
|
|
Kreuzwieser et al. (2006) |
Mature trees growing naturally in a forest northwest of Basel, Switzerland, where leaves were only exposed to elevated CO2 for a few minutes during the measurement period on several sunny days in August of 2001
|
15%
|
|
|