300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Acer saccharum Marsh. [Sugar Maple]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
12
|
|
|
| Arithmetic Mean |
48.3%
|
|
|
| Standard Error |
13.1%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Bazzaz et al. (1990) |
pots in a greenhouse
|
150%
|
|
|
|
Gaucher et al. (2006) |
Well watered and fertilized two-year-old seedlings in 16-L pots filled with sandy loam grown for 86 days out-of-doors in open-top chambers in ambient air
|
95%
|
|
|
|
Gaucher et al. (2006) |
Well watered and fertilized two-year-old seedlings in 16-L pots filled with sandy loam grown for 86 days out-of-doors in open-top chambers in air with three times the ambient O3 concentration
|
85%
|
|
|
|
Kruger et al. (1998) |
environmental control rooms,non-defoliated
|
10%
|
|
|
|
Kruger et al. (1998) |
environmental control rooms, defoliated
|
37%
|
|
|
|
Niewiadomska et al. (1999) |
growth chambers, fresh weight, young leaves
|
23%
|
|
|
|
Niewiadomska et al. (1999) |
growth chambers, fresh weight, old leaves
|
2%
|
|
|
|
Niewiadomska et al. (1999) |
growth chambers, fresh weight, young leaves, elevated ozone
|
11%
|
|
|
|
Niewiadomska et al. (1999) |
growth chambers, fresh weight, old leaves, elevated ozone
|
8%
|
|
|
|
Norby et al. (2000) |
open-top chamber, ambient temperature
|
28%
|
|
|
|
Norby et al. (2000) |
open-top chamber, ambient temp. + 4°C
|
100%
|
|
|
|
Parsons et al. (2003) |
3-yr-old seedlings in 16-L pots in a glasshouse for four months
|
30%
|
|
|