300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Ambrosia dumosa (Gray) Payne [White Burrobush]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
4
|
4
|
4
|
| Arithmetic Mean |
85%
|
0%
|
0%
|
| Standard Error |
28%
|
0
|
0%
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Ellsworth et al. (2004) |
Trees grown under natural conditions for four years in a FACE study
|
51%
|
||
|
Housman et al. (2006) |
Whole plant photosynthesis of adult shrubs growing naturally at the Nevada Desert FACE facility in southern Nevada, USA, during "an anomalously wet year" (1998)
|
182%
|
||
|
Housman et al. (2006) |
Whole plant photosynthesis of adult shrubs growing naturally at the Nevada Desert FACE facility in southern Nevada, USA, during the last of three years of below-average rainfall (2001)
|
56%
|
||
|
Naumburg et al. (2003) |
FACE
|
51%
|