300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Betula pubescens Ehrh. [Downy Birch]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
4
|
|
|
| Arithmetic Mean |
25.5%
|
|
|
| Standard Error |
6.5%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Mortensen (1995) |
growth chamber, low ozone
|
27%
|
|
|
|
Mortensen (1995) |
growth chamber, high ozone
|
45%
|
|
|
|
Mortensen (1995) |
growth chamber, low temperature (15°C)
|
9%
|
|
|
|
Mortensen (1995) |
growth chamber, high temperature (20°C)
|
21%
|
|
|