300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Alpine grassland dominated by Carex curvula
300 ppm
|
600 ppm
|
900 ppm
|
|
Number of Results |
2
|
|
|
Arithmetic Mean |
66.5%
|
|
|
Standard Error |
15.2%
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
Diemer (1994) |
open-top chambers, fertilized
|
88%
|
|
|
Diemer (1994) |
open-top chambers, unfertilized
|
45%
|
|
|