300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Picea stichensis (Bong.) Carr. [Sitka Spruce]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
2
|
|
|
| Arithmetic Mean |
23%
|
|
|
| Standard Error |
4.2%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Murray et al. (2000) |
open-top chambers, low soil nitrogen
|
17%
|
|
|
|
Murray et al. (2000) |
open-top chambers, high soil nitrogen
|
29%
|
|
|