300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Betula alleghaniensis Britt. [Yellow Birch]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
6
|
6
|
6
|
| Arithmetic Mean |
35%
|
14.2%
|
0%
|
| Standard Error |
5.9%
|
12.9
|
0%
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Catovsky and Bazzaz (1999) |
glasshouse, wet
|
10%
|
||
|
Catovsky and Bazzaz (1999) |
glasshouse, intermediate
|
32%
|
||
|
Catovsky and Bazzaz (1999) |
glasshouse, dry
|
36%
|
||
|
Gu et al. (2008) |
Photosynthesis of well watered and fertilized plants growing in a commercial potting mix in 3.8-liter pots. Measurements made of fifth leaf on 1.2-m height plants as the air's CO2 concentration was raised by 100 ppm every 15 minutes
|
60%
|
85% |
|
|
Wayne et al. (1998) |
Seedlings grown for two months in controlled environment glass cabinets at day/night temperatures of 26/21?C
|
36%
|
||
|
Wayne et al. (1998) |
Seedlings grown for two months in controlled environment glass cabinets at day/night temperatures of 31/26?C
|
36%
|