300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Alnus rubra Bong. [Red Alder]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
8
|
8
|
8
|
| Arithmetic Mean |
73.9%
|
0%
|
0%
|
| Standard Error |
10.6%
|
0
|
0%
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Arnone and Gordon (1990) |
shaded greenhouse, 0 mg l-1 nitrogen
|
122%
|
||
|
Arnone and Gordon (1990) |
shaded greenhouse, 20 mg l-1 nitrogen
|
92%
|
||
|
Hibbs et al. (1995) |
growth chamber, harvest 1, periodic watering
|
59%
|
||
|
Hibbs et al. (1995) |
growth chamber, harvest 1, well-watered
|
28%
|
||
|
Hibbs et al. (1995) |
growth chamber, harvest 2, periodic watering, measured 1 day after watering
|
111%
|
||
|
Hibbs et al. (1995) |
growth chamber, harvest 2, well-watered, measured 1 day after watering
|
54%
|
||
|
Hibbs et al. (1995) |
growth chamber, harvest 2, periodic watering, measured 6 days after watering
|
71%
|
||
|
Hibbs et al. (1995) |
growth chamber, harvest 2, well-watering, measured 6 days after watering
|
54%
|