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 euramericana [Hybrid Poplar]


Statistics
 
300 ppm
600 ppm
900 ppm
 Number of Results
21
 
 
 Arithmetic Mean
95.4%
 
 
 Standard Error
33.2%
 
 

Individual Experiment Results

Journal References
Experimental Conditions
300 ppm
600 ppm
900 ppm

Bosac et al. (1995)
controlled environment chambers
53%

 
 

Calfapietra et al. (2003)
Seedlings grown for three years in FACE plots.  Biomass estimated at the end of year one by stem volume index = (basal diameter)2 x height
125%

 
 

Calfapietra et al. (2003)
Seedlings grown for three years in FACE plots.  Biomass estimated at the end of year two by stem volume index = (basal diameter)2 x height
43%

 
 

Calfapietra et al. (2003)
Seedlings grown for three years in FACE plots.  Biomass estimated at the end of year three by stem volume index = (basal diameter)2 x height
31%

 
 

Curtis et al. (1995)
open-top chambers, low soil fertility
21%

 
 

Curtis et al. (1995)
open-top chambers, high soil fertility
42%

 
 

Gielen et al. (2005)
Second year, whole plant biomass of drip-irrigated seedlings in FACE study in central Italy
59%

 
 

Gielen et al. (2005)
Third year, whole plant biomass of drip-irrigated seedlings in FACE study in central Italy
35%

 
 

Guo et al. (2015)
Hardwood cuttings of the poplar genotype 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
6%

 
 

Guo et al. (2015)
Hardwood cuttings of the poplar genotype 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
5%

 
 

Guo et al. (2015)
Hardwood cuttings of the poplar genotype 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
7%

 
 

Lagomarsino et al. (2009)
Fine roots (less than 2 mm in diameter) at the POP-EuroFACE facility (Central Italy) during February in the 0-5 cm soil mineral layer after six years of tree growth, without extra nitrogen (N) applied to the soil
425%

 
 

Lagomarsino et al. (2009)
Fine roots (less than 2 mm in diameter) at the POP-EuroFACE facility (Central Italy) during February in the 0-5 cm soil mineral layer after six years of tree growth, with extra nitrogen (N) applied to the soil
157%

 
 

Lagomarsino et al. (2009)
Fine roots (less than 2 mm in diameter) at the POP-EuroFACE facility (Central Italy) during May in the 0-5 cm soil mineral layer after six years of tree growth, without extra nitrogen (N) applied to the soil
621%

 
 

Lagomarsino et al. (2009)
Fine roots (less than 2 mm in diameter) at the POP-EuroFACE facility (Central Italy) during May in the 0-5 cm soil mineral layer after six years of tree growth, with extra nitrogen (N) applied to the soil
222%

 
 

Liberloo et al. (2005)
FACE study of unfertilized plants in a short-rotation coppice culture two growing seasons after coppicing
13%

 
 

Liberloo et al. (2005)
FACE study of fertilized plants in a short-rotation coppice culture two growing seasons after coppicing
-3%

 
 

Liberloo et al. (2006)
Aboveground biomass of the regrowth of well watered and fertilized trees in a FACE study over three years after coppicing following three prior years growth under the same conditions except for no added fertilizers in the earlier 3-year period
27%

 
 

Liberloo et al. (2006)
Belowground biomass of the regrowth of well watered and fertilized trees in a FACE study over three years after coppicing following three prior years growth under the same conditions except for no added fertilizers in the earlier 3-year period
80%

 
 

Liberloo et al. (2004)
New shoots of trees after one year's growth following coppice in a FACE study
16%

 
 

Wang et al. (2012)
Adequately watered hardwood cuttings grown for 40 days in pots filled with Cd-contaminated soil and placed in open-top chambers
19%

 
 

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