300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Populus grandidentata Michx. [Bigtooth Aspen]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
3
|
|
|
| Arithmetic Mean |
181.7%
|
|
|
| Standard Error |
60.7%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Briggs et al. (1986) |
field, air temperature 25°C
|
115%
|
|
|
|
Briggs et al. (1986) |
field, air temperature 30°C
|
100%
|
|
|
|
Briggs et al. (1986) |
field, air temperature 35°C
|
330%
|
|
|