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 nigra [Black Poplar]


Statistics
 
300 ppm
600 ppm
900 ppm
 Number of Results
15
 
 
 Arithmetic Mean
53.9%
 
 
 Standard Error
12.2%
 
 

Individual Experiment Results

Journal References

Experimental Conditions
300 ppm
600 ppm
900 ppm

Calfapietra et al. (2003a)

Three-year FACE study of trees growing naturally out-of-doors and rooted in the ground that were started from 25-cm-long cuttings; aboveground biomass after second year
24%

 

 

Calfapietra et al. (2003a)

Three-year FACE study of trees growing naturally out-of-doors and rooted in the ground that were started from 25-cm-long cuttings; aboveground biomass after third year
25%

 

 

Calfapietra et al. (2003a)

Three-year FACE study of trees growing naturally out-of-doors and rooted in the ground that were started from 25-cm-long cuttings; belowground biomass after third year
37%

 

 

Calfapietra et al. (2003b)

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
207%

 

 

Calfapietra et al. (2003b)

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
46%

 

 

Calfapietra et al. (2003b)

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
50%

 

 

Gielen et al. (2005)

Second year, whole plant biomass of drip-irrigated seedlings in FACE study in central Italy
14%

 

 

Gielen et al. (2005)

Third year, whole plant biomass of drip-irrigated seedlings in FACE study in central Italy
36%

 

 

Liberloo et al. (2004)

New shoots of trees after one year's growth following coppice in a FACE study
41%

 

 

Liberloo et al. (2004)

FACE study of plants in a short-rotation coppice culture two growing seasons after coppicing; fertilized
60%

 

 

Liberloo et al. (2004)

FACE study of plants in a short-rotation coppice culture two growing seasons after coppicing; unfertilized
10%

 

 

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
48%

 

 

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
47%

 

 

Lukac et al. (2008)

Root biomass of young drip-irrigated trees grown for three years at the POPFACE facility in central Italy
114%

 

 

Luo et al. (2006)

Well watered and fertilized seedlings grown for five years in a FACE study, where after the first three years the trees were coppiced and allowed to grow back for two more years
50%

 

 

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