300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Semi-natural grassland in central Sweden
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
4
|
|
|
| Arithmetic Mean |
34.3%
|
|
|
| Standard Error |
12.2%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Sindhoj et al. (2004) |
Plants enclosed by open-top chambers for five consecutive years; shoot biomass at year 1
|
43%
|
|
|
|
Sindhoj et al. (2004) |
Plants enclosed by open-top chambers for five consecutive years; shoot biomass at year 5
|
4%
|
|
|
|
Sindhoj et al. (2004) |
Plants enclosed by open-top chambers for five consecutive years; root biomass at year 1
|
21%
|
|
|
|
Sindhoj et al. (2004) |
Plants enclosed by open-top chambers for five consecutive years; root biomass at year 5
|
69%
|
|
|