300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Calcareous Grassland dominated by Bromus erectus (Hudson)
300 ppm
|
600 ppm
|
900 ppm
|
|
Number of Results |
3
|
|
|
Arithmetic Mean |
28%
|
|
|
Standard Error |
2.9%
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
Leadley et al. (1999) |
screen-aided CO2 control chambers, aboveground biomasss, 1995
|
24%
|
|
|
Leadley et al. (1999) |
screen-aided CO2 control chambers, aboveground biomasss, 1996
|
25%
|
|
|
Leadley et al. (1999) |
screen-aided CO2 control chambers, aboveground biomasss, 1997
|
35%
|
|
|