300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Moderately fertile California grassland of mostly small annual species
300 ppm
|
600 ppm
|
900 ppm
|
|
Number of Results |
3
|
|
|
Arithmetic Mean |
30.7%
|
|
|
Standard Error |
18.5%
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
Dukes et al. (2005) |
Five-year FACE study of moderately fertile California grassland comprised of mostly small annual species
|
0%
|
|
|
Peters et al. (2007) |
FACE study conducted at the Jasper Ridge Biological Preserve in Northern California (USA)
|
17-39%
|
|
|
Peters et al. (2007) |
Photosynthesis of legumes growing in a California grassland composed primarily of introduced European annual grasses and forbs from a FACE study conducted at the Jasper Ridge Biological Preserve in Northern California (USA)
|
75-180%
|
|
|