300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Ginkgo biloba L. [Maidenhair Tree]
300 ppm
|
600 ppm
|
900 ppm
|
|
Number of Results |
6
|
|
|
Arithmetic Mean |
54%
|
|
|
Standard Error |
15.8%
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
Liang et al. (1995) |
open-top growth cabinets,well-watered
|
63%
|
|
|
Liang et al. (1995) |
open-top growth cabinets,moderate drought
|
35%
|
|
|
Liang et al. (1995) |
open-top growth cabinets,serious drought
|
77%
|
|
|
Llorens et al. (2009) |
Photosynthesis of well watered and fertilized one-year-old saplings grown from seed and maintained for four more years in 6-liter pots (filled with a 13:5:2 mix of sand:vermiculite:peat) within controlled-environment growth rooms, with measurements made in the fourth year of the study (middle of first-half growing season)
|
110%
|
|
|
Llorens et al. (2009) |
Photosynthesis of well watered and fertilized one-year-old saplings grown from seed and maintained for four more years in 6-liter pots (filled with a 13:5:2 mix of sand:vermiculite:peat) within controlled-environment growth rooms, with measurements made in the fourth year of the study (end of growing season)
|
-16%
|
|
|
Royer et al. (2003) |
Controlled environment chambers,simulated ancient polar environment
|
55%
|
|
|