Percent Photosynthesis (Net CO2 Exchange Rate) Increases for
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]


Statistics
 
300 ppm
600 ppm
900 ppm
 Number of Results
4
 
 
 Arithmetic Mean
14.8%
 
 
 Standard Error
6.4%
 
 

Individual Experiment Results

Journal References

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%

 

 

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