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.

Quercus robur L. [Pedunculate Oak]


Statistics
 
300 ppm
600 ppm
900 ppm
 Number of Results
9
 
 
 Arithmetic Mean
35.8%
 
 
 Standard Error
6.2%
 
 

Individual Experiment Results

Journal References

Experimental Conditions
300 ppm
600 ppm
900 ppm

Beerling et al. (1996)

Solardomes, year 1
50%

 

 

Beerling et al. (1996)

Solardomes, year 2
31%

 

 

Heath (1998)

Solardomes, low PPFD
24%

 

 

Heath (1998)

Solardomes, high PPFD
49%

 

 

Heath and Kerstiens (1997)

Solardomes
40%

 

 

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
23%

 

 

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
75%

 

 

Possell et al. (2004)

Unfertilized seedlings grown one to a mesocosm (16 cm diameter, 60 cm deep) in solardomes for one year prior to measurements
17%

 

 

Possell et al. (2004)

Fertilized seedlings grown one to a mesocosm (16 cm diameter, 60 cm deep) in solardomes for one year prior to measurements
13%

 

 

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