300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Bromus erectus Hudson [Erect Brome]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
7
|
|
|
| Arithmetic Mean |
34.6%
|
|
|
| Standard Error |
6.8%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Hunt et al. (1991) |
pots (1 liter)
|
44%
|
|
|
|
Roumet et al. (2000) |
Grown from seed in well-watered and fertilized pots for six months in glasshouses
|
44%
|
|
|
|
van Kleunen et al. (2006) |
Aboveground biomass of plants grown from tillers for one year in a mixture with heath sedge (Carex flacca) in a FACE study conducted in Switzerland
|
0%
|
|
|
|
Volk et al. (2000) |
growth chambers,9mm rainwater per week
|
55%
|
|
|
|
Volk et al. (2000) |
growth chambers,18mm rainwater per week
|
51%
|
|
|
|
Volk et al. (2000) |
growth chambers,27mm rainwater per week
|
23%
|
|
|
|
Volk et al. (2000) |
growth chambers,36mm rainwater per week
|
25%
|
|
|