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.

Populus trichocarpa Torr. & Gray [Black Cottonwood]


Statistics
 
300 ppm
600 ppm
900 ppm
 Number of Results
5
 
 
 Arithmetic Mean
124%
 
 
 Standard Error
93.2%
 
 

Individual Experiment Results

Journal References

Experimental Conditions
300 ppm
600 ppm
900 ppm

Curtis et al. (2000)

open-top chambers, low-N soil, stem
11%

 

 

Curtis et al. (2000)

open-top chambers, high-N soil, stem
29%

 

 

Rae et al. (2007)

Biomass (as approximated from stem volume data) of plants grown from cuttings for 152 days in John Innes no. 2 compost (lime free) in plastic tubes (91 cm high, 15 cm diameter) buried to a depth of 10 cm out-of-doors in open-top chambers
540%

 

 

Sigurdsson et al. (2001)

closed-top chamber, low soil fertility
0%

 

 

Sigurdsson et al. (2001)

closed-top chamber, high soil fertility
40%

 

 

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