300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Understory Plants in a Spruce Model Ecosystem [Homogyne alpina, Oxalis acetosella L. (Irish shamrock), and Rubus hirtus]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
3
|
|
|
| Arithmetic Mean |
33.7%
|
|
|
| Standard Error |
13.4%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Hattenschwiler and Korner (1996) |
growth chamber, low nitrogen
|
1%
|
|
|
|
Hattenschwiler and Korner (1996) |
growth chamber, medium nitrogen
|
53%
|
|
|
|
Hattenschwiler and Korner (1996) |
growth chamber, high nitrogen
|
47%
|
|
|