300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Picea koraiensis Nakai [Spruce]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
7
|
|
|
| Arithmetic Mean |
37.9%
|
|
|
| Standard Error |
8.7%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Mao et al. (2005) |
Thick-root biomass of well watered and fertilized two-year-old spruce trees grown in 5.5-L pots in controlled environment chambers for three months; (1st month, June)
|
11%
|
|
|
|
Mao et al. (2005) |
Thick-root biomass of well watered and fertilized two-year-old spruce trees grown in 5.5-L pots in controlled environment chambers for three months; (2nd month, July)
|
40%
|
|
|
|
Mao et al. (2005) |
Thick-root biomass of well watered and fertilized two-year-old spruce trees grown in 5.5-L pots in controlled environment chambers for three months; (3rd month, August)
|
49%
|
|
|
|
Mao et al. (2005) |
Needle biomass of well watered and fertilized two-year-old seedlings grown for three summer months in forest soil in 5.5-liter pots within controlled environment chambers
|
80%
|
|
|
|
Mao et al. (2005) |
Skeletal shoot biomass of well watered and fertilized two-year-old seedlings grown for three summer months in forest soil in 5.5-liter pots within controlled environment chambers
|
10%
|
|
|
|
Mao et al. (2005) |
Thick root biomass of well watered and fertilized two-year-old seedlings grown for three summer months in forest soil in 5.5-liter pots within controlled environment chambers
|
50%
|
|
|
|
Mao et al. (2005) |
Thin root biomass of well watered and fertilized two-year-old seedlings grown for three summer months in forest soil in 5.5-liter pots within controlled environment chambers
|
25%
|
|
|