Percent Dry Weight (Biomass) Increases for
300, 600 and 900 ppm Increases in the Air's CO2 Concentration:


For a more detailed description of this table, click here.

Tsuga canadensis (L.) Carr. [Eastern Hemlock]


Statistics
 
300 ppm
600 ppm
900 ppm
 Number of Results
3
 
 
 Arithmetic Mean
34%
 
 
 Standard Error
4.5%
 
 

Individual Experiment Results

Journal References

Experimental Conditions
300 ppm
600 ppm
900 ppm

Bazzaz et al. (1990)

2-L pots in greenhouse
25%

 

 

Godbold et al. (1997)

glasshouse, roots
44%

 

 

Godbold et al. (1997)

glasshouse, whole plant
33%

 

 

Printer Friendly Version