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.

Populus euramericana (Dode) Guinier [Robusta Poplar]


Statistics
 
300 ppm
600 ppm
900 ppm
 Number of Results
28
 
 
 Arithmetic Mean
74.5%
 
 
 Standard Error
13.2%
 
 

Individual Experiment Results

Journal References

Experimental Conditions
300 ppm
600 ppm
900 ppm

Bernacchi et al. (2003)

Conventionally managed seedlings grown in a FACE study in central Italy: daily integral of net photosynthesis (May)
97%

 

 

Bernacchi et al. (2003)

Conventionally managed seedlings grown in a FACE study in central Italy: daily integral of net photosynthesis (July)
59%

 

 

Bernacchi et al. (2003)

Conventionally managed seedlings grown in a FACE study in central Italy: daily integral of net photosynthesis (September)
73%

 

 

Bosac et al. (1995)

controlled environment chambers, 49 days
21%

 

 

Bosac et al. (1995)

controlled environment chambers, 67 days
-31%

 

 

Calfapietra et al(2005)

Middle canopy photosynthesis of fertilized trees grown for five years in a FACE study
68%

 

 

Calfapietra et al. (2005)

Upper canopy photosynthesis of fertilized trees grown for five years in a FACE study
101%

 

 

Calfapietra et al. (2005)

Upper canopy photosynthesis of unfertilized trees grown for five years in a FACE study
109%

 

 

Calfapietra et al. (2005)

Middle canopy photosynthesis of unfertilized trees grown for five years in a FACE study
50%

 

 

Calfapietra et al. (2005)

Lower canopy photosynthesis of fertilized trees grown for five years in a FACE study
59%

 

 

Calfapietra et al. (2005)

Lower canopy photosynthesis of unfertilized trees grown for five years in a FACE study
126%

 

 

Centritto et al. (2004)

Saplings in their first growing season in a FACE facility; 2nd leaf from plant apex
144%

 

 

Centritto et al. (2004)

Saplings in their first growing season in a FACE facility; 3rd leaf from plant apex
128%

 

 

Centritto et al. (2004)

Saplings in their first growing season in a FACE facility; 8th leaf from plant apex
82%

 

 

Centritto et al. (2004)

Saplings in their first growing season in a FACE facility; 15th leaf from plant apex
74%

 

 

Curtis et al. (1995)

open-top chambers, low soil fertility,day 219
12%

 

 

Curtis et al. (1995)

open-top chambers, low soil fertility,day 260
-4%

 

 

Curtis et al. (1995)

open-top chambers, high soil fertility,day 219
77%

 

 

Curtis et al. (1995)

open-top chambers, high soil fertility,day 260
37%

 

 

Davey et al. (2006)

Total daily photosynthesis of a complete multi-year production cycle of plantation trees growing under conditions of adequate water and nutrients in a FACE study
76%

 

 

Gaudillere and Mousseau (1989)

growth chamber, pots
96%

 

 

Guo et al. (2015)

Hardwood cuttings grown in pots containing well-watered and fertilized soils composed of 1:1 mixtures of perlite and vermiculite and containing 0 mg Cd (cadmium) per kg, placed within open-top-chambers, half of which were maintained at the air's ambient CO2 concentration (360 ppm), while the other half were maintained at 800 ppm from 7:00 to 20:00 of each day for a period of 90 days
50%

 

 

Guo et al. (2015)

Hardwood cuttings grown in pots containing well-watered and fertilized soils composed of 1:1 mixtures of perlite and vermiculite and containing 5 mg Cd (cadmium) per kg, placed within open-top-chambers, half of which were maintained at the air's ambient CO2 concentration (360 ppm), while the other half were maintained at 800 ppm from 7:00 to 20:00 of each day for a period of 90 days
57%

 

 

Guo et al. (2015)

Hardwood cuttings grown in pots containing well-watered and fertilized soils composed of 1:1 mixtures of perlite and vermiculite and containing 25 mg Cd (cadmium) per kg, placed within open-top-chambers, half of which were maintained at the air's ambient CO2 concentration (360 ppm), while the other half were maintained at 800 ppm from 7:00 to 20:00 of each day for a period of 90 days
49%

 

 

Wang et al. (2012)

Photosynthesis of upper mature leaves of adequately watered hardwood cuttings grown for 40 days in pots filled with Cd-contaminated soil and placed in open-top chambers
29%

 

 

Wittig et al. (2005)

Year 1 average of well-watered trees rooted in the ground and grown out-of-doors from planting through canopy closure to coppice (harvest) in a FACE study
375%

 

 

Wittig et al. (2005)

Year 2 average of well-watered trees rooted in the ground and grown out-of-doors from planting through canopy closure to coppice (harvest) in a FACE study
40%

 

 

Wittig et al. (2005)

Year 3 average of well-watered trees rooted in the ground and grown out-of-doors from planting through canopy closure to coppice (harvest) in a FACE study
32%

 

 

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