300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Liriodendron tulipifera L. [Yellow Poplar]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
15
|
15
|
15
|
| Arithmetic Mean |
69.7%
|
0%
|
0%
|
| Standard Error |
13.6%
|
0
|
0%
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Gunderson et al. (1993) |
open-top chambers, 1990
|
149%
|
||
|
Gunderson et al. (1993) |
open-top chambers, 1991
|
167%
|
||
|
Je et al. (2018) |
Net photosynthetic rate of 3-year-old seedlings subjected to four months of elevated CO2 in greenhouse phytotrons under well-watered (field capacity) conditions
|
25%
|
||
|
Je et al. (2018) |
Net photosynthetic rate of 3-year-old seedlings subjected to four months of elevated CO2 in greenhouse phytotrons under drought (50% of field capacity) conditions
|
184%
|
||
|
Loats and Rebbeck (1999) |
growth chambers, ambient ozone
|
45%
|
||
|
Loats and Rebbeck (1999) |
growth chambers, twice-ambient ozone
|
41%
|
||
|
Norby et al. (1992) |
field, open-top chambers
|
66%
|
||
|
Norby and ONeill (1991) |
pots (3.5 liter), day 86, unfertilized
|
37%
|
||
|
Norby and ONeill (1991) |
pots (3.5 liter), day 86, fertilized
|
64%
|
||
|
Norby and ONeill (1991) |
pots (3.5 liter), day 119, unfertilized
|
32%
|
||
|
Norby and ONeill (1991) |
pots (3.5 liter), day 119, fertilized
|
16%
|
||
|
Norby and ONeill (1991) |
pots (3.5 liter), day 166, unfertilized
|
14%
|
||
|
Norby and ONeill (1991) |
pots (3.5 liter), day 166, fertilized
|
89%
|
||
|
Williams et al. (1986) |
pots (8.2 liter)
|
54%
|
||
|
Wullschleger et al. (1992) |
field, open-top chambers
|
63%
|