300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Northern Mixed-grass Prairie Near Cheyene, Wyoming, USA
[Four C3 species making up approximately 55% of the Prairie]
[Four C3 species making up approximately 55% of the Prairie]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
5
|
|
|
| Arithmetic Mean |
34.4%
|
|
|
| Standard Error |
8.1%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Dijkstra et al. (2010) |
Root biomass from year 2007 of a two-year FACE study of northern mixed-grass prairie with a 1.5°C/3.0°C day/night warming provided by ceramic infrared heaters
|
30%
|
|
|
|
Dijkstra et al. (2010) |
Root biomass from year 2007 of a two-year FACE study of northern mixed-grass prairie without a 1.5°C/3.0°C day/night warming provided by ceramic infrared heaters
|
10%
|
|
|
|
Dijkstra et al. (2010) |
Root biomass from year 2008 of a two-year FACE study of northern mixed-grass prairie with a 1.5°C/3.0°C day/night warming provided by ceramic infrared heaters
|
63%
|
|
|
|
Dijkstra et al. (2010) |
Root biomass from year 2008 of a two-year FACE study of northern mixed-grass prairie without a 1.5°C/3.0°C day/night warming provided by ceramic infrared heaters
|
24%
|
|
|
|
LeCain et al. (2012) |
All C3 grasses within PVC cylinders measuring 30 cm tall by 25 cm diameter that held intact plant-soil cores placed in controlled-environment chambers that simulated the entire growing season of southeast Wyoming and were watered similarly to what occurs in the field
|
45%
|
|
|