300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Non-grazed Grassland Near Giessen, Germany
300 ppm
|
600 ppm
|
900 ppm
|
|
Number of Results |
5
|
|
|
Arithmetic Mean |
23.6%
|
|
|
Standard Error |
8.4%
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
Kammann et al. (2005) |
Aboveground biomass (year 1) of adequately watered and fertilized year-round daytime FACE study
|
5%
|
|
|
Kammann et al. (2005) |
Aboveground biomass (year 2) of adequately watered and fertilized year-round daytime FACE study
|
-2%
|
|
|
Kammann et al. (2005) |
Aboveground biomass (year 3) of adequately watered and fertilized year-round daytime FACE study
|
39%
|
|
|
Kammann et al. (2005) |
Aboveground biomass (year 4) of adequately watered and fertilized year-round daytime FACE study
|
31%
|
|
|
Kammann et al. (2005) |
Aboveground biomass (year 5) of adequately watered and fertilized year-round daytime FACE study
|
45%
|
|
|