300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Liquidambar styraciflua L. [Sweetgum]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
18
|
4
|
|
| Arithmetic Mean |
105.1%
|
410%
|
|
| Standard Error |
21.8%
|
199.1
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
DeLucia and Thomas (2000) |
FACE
|
150%
|
|
|
|
DeLucia et al. (2005) |
Net ecosystem productivity of 10-year-old trees exposed to elevated CO2 for an additional 3 years in the Oak Ridge National Environmental Research Park FACE study
|
70%
|
|
|
|
Ellsworth et al. (2004) |
Trees grown under natural conditions for four years in a FACE study
|
141%
|
|
|
|
Gunderson et al. (2002) |
FACE, upper canopy
|
69%
|
|
|
|
Gunderson et al. (2002) |
FACE, mid-canopy
|
71%
|
|
|
|
Herrick and Thomas (2001) |
2.5 years into FACE study of Duke Forest, soil of "low nitrogen and phosphorus availability"; sun leaves
|
95%
|
|
|
|
Herrick and Thomas (2001) |
2.5 years into FACE study of Duke Forest, soil of "low nitrogen and phosphorus availability"; shade leaves
|
72%
|
|
|
|
Herrick and Thomas (2003) |
6 years into FACE study of Duke Forest, soil of "low nitrogen and phosphorus availability"; sun leaves
|
110%
|
|
|
|
Herrick and Thomas (2003) |
6 years into FACE study of Duke Forest, soil of "low nitrogen and phosphorus availability"; shade leaves
|
55%
|
|
|
|
Sholtis et al. (2004) |
FACE study conducted on 11- to 13-year-old trees in a closed-canopy stand, upper-canopy leaves
|
70%
|
|
|
|
Springer and Thomas (2007) |
Photosynthesis of saplings of understory trees in June of the seventh year of the Duke Forest FACE experiment
|
62%
|
|
|
|
Springer and Thomas (2007) |
Photosynthesis of saplings of understory trees in August of the seventh year of the Duke Forest FACE experiment
|
78%
|
|
|
|
Springer et al. (2005) |
Trees that may have been as much as 13 years old before being grown for four, five and six additional years in the Duke Forest FACE experiment on nutrient-poor, clay-rich Alfisols; (sun leaves)
|
92%
|
|
|
|
Springer et al. (2005) |
Trees that may have been as much as 13 years old before being grown for four, five and six additional years in the Duke Forest FACE experiment on nutrient-poor, clay-rich Alfisols; (shade leaves)
|
57%
|
|
|
|
Tolley and Strain (1985) |
pots (0.25 liter), water-stressed, low light
|
185%
|
550% |
|
|
Tolley and Strain (1985) |
pots (0.25 liter), well-watered, low light
|
20%
|
35% |
|
|
Tolley and Strain (1985) |
pots (0.25 liter), water-stressed, high light
|
450%
|
1000% |
|
|
Tolley and Strain (1985) |
pots (0.25 liter), well-watered, high light
|
45%
|
55% |
|