300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Chaparral ecosystem dominated by the shrubs Adenostoma fasciculatum H. & A., Adenostoma sparsifolium Torr. and Ceanothus greggii Gray
300 ppm
|
600 ppm
|
900 ppm
|
|
Number of Results |
1
|
|
|
Arithmetic Mean |
185%
|
|
|
Standard Error |
0%
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
Lipson et al. (2005) |
Root biomass of plants that had grown for 8 years under natural conditions in a FACE study conducted in northeastern San Diego County, California, USA
|
185%
|
|
|