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.

Picea rubens [Red Spruce]


Statistics
 
300 ppm
600 ppm
900 ppm
 Number of Results
1
 
3
 Arithmetic Mean
15%
 
41.7%
 Standard Error
0%
 
10.6%

Individual Experiment Results

Journal References

Experimental Conditions
300 ppm
600 ppm
900 ppm

Jones and Reekie (2007)

Well watered and fertilized plants grown from small seeds to 98 days past emergence in a 1:1 mixture of autoclaved sand and peat in 74-cm3 containers within controlled environment chambers
 

 

37%

Jones and Reekie (2007)

Well watered and fertilized plants grown from medium seeds to 98 days past emergence in a 1:1 mixture of autoclaved sand and peat in 74-cm3 containers within controlled environment chambers
 

 

66%

Jones and Reekie (2007)

Well watered and fertilized plants grown from large seeds to 98 days past emergence in a 1:1 mixture of autoclaved sand and peat in 74-cm3 containers within controlled environment chambers
 

 

22%

Major et al. (2015)

Well-watered and fertilized trees grown from the seeds of 12 populations from across eastern Canada for a period of five years, while rooted in deep felt root control bags within climate-controlled chambers located in a greenhouse, where CO2 enrichment was started at the beginning of the second of the five years
15%

 

 

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