300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Petalostemum villosum Nutt. [Silky Prairie-Clover]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
3
|
|
|
| Arithmetic Mean |
-9.3%
|
|
|
| Standard Error |
23.4%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Reich et al. (2001) |
FACE
|
-63%
|
|
|
|
West et al. (2005) |
Aboveground biomass of plants in their fourth year of a FACE study with added soil nitrogen (N)
|
35%
|
|
|
|
West et al. (2005) |
Aboveground biomass of plants in their fourth year of a FACE study without extra soil nitrogen (N)
|
0%
|
|
|