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.

Alnus rubra Bong. [Red Alder]


Statistics
 
300 ppm
600 ppm
900 ppm
 Number of Results
8
 
 
 Arithmetic Mean
73.9%
 
 
 Standard Error
10.6%
 
 

Individual Experiment Results

Journal References

Experimental Conditions
300 ppm
600 ppm
900 ppm

Arnone and Gordon (1990)

shaded greenhouse, 0 mg l-1 nitrogen
122%

 

 

Arnone and Gordon (1990)

shaded greenhouse, 20 mg l-1 nitrogen
92%

 

 

Hibbs et al. (1995)

growth chamber, harvest 1, periodic watering
59%

 

 

Hibbs et al. (1995)

growth chamber, harvest 1, well-watered
28%

 

 

Hibbs et al. (1995)

growth chamber, harvest 2, periodic watering, measured 1 day after watering
111%

 

 

Hibbs et al. (1995)

growth chamber, harvest 2, well-watered, measured 1 day after watering
54%

 

 

Hibbs et al. (1995)

growth chamber, harvest 2, periodic watering, measured 6 days after watering
71%

 

 

Hibbs et al. (1995)

growth chamber, harvest 2, well-watering, measured 6 days after watering
54%

 

 

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