300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Perennial Grassland of Cedar Creek Natural History Area in central Minnesota, USA
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
3
|
|
|
| Arithmetic Mean |
24.3%
|
|
|
| Standard Error |
4.9%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Dijkstra et al. (2006) |
Total plant biomass of plants grown in monoculture as part of the FACE BioCON experiment conducted at the Cedar Creek Natural History Area, Minnesota, USA, over four growing seasons (1998-2001)
|
21%
|
|
|
|
Reich et al. (2006) |
FACE study of 296 planted field plots containing either 1, 4, 9 or 16 species growing on natural low-N soil in the fifth and sixth years of a long-term experiment
|
16%
|
|
|
|
Reich et al. (2006) |
FACE study of 296 planted field plots containing either 1, 4, 9 or 16 species growing on soil receiving an extra 4 g N m-2 yr-1 applied as NH4NO3 in the fifth and sixth years of a long-term experiment
|
36%
|
|
|