300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Alnus glutinosa (L.) Gaertn. [Black Alder]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
3
|
|
|
| Arithmetic Mean |
51%
|
|
|
| Standard Error |
11.8%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Poole et al. (2000) |
Grown from seed for 6 months, four to a 3.35-L pot, in glass growth chambers in a glasshouse
|
80%
|
|
|
|
Temperton et al. (2003) |
Seedlings grown out-of-doors for three years in open-top chambers with nitrogen fertilizer
|
35%
|
|
|
|
Temperton et al. (2003) |
Seedlings grown out-of-doors for three years in open-top chambers without nitrogen fertilizer
|
38%
|
|
|