300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Bromus erectus Hudson [Erect Brome]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
6
|
6
|
6
|
| Arithmetic Mean |
30.2%
|
0%
|
0%
|
| Standard Error |
9.5%
|
0
|
0%
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Beerling and Woodward (1995) |
controlled environment growth cabinets
|
35%
|
||
|
Bryant et al. (1998) |
FACE, pre-cut
|
41%
|
||
|
Bryant et al. (1998) |
FACE, post-cut
|
37%
|
||
|
Niklaus and Korner (2004) |
In situ screen-aided CO2 control (SACC) study of a temperate calcareous grassland community in May of the third year of the experiment
|
40%
|
||
|
Roumet et al. (2000) |
Grown from seed in well-watered and fertilized pots for six months in glasshouses
|
-21%
|
||
|
Stocker et al. (1997) |
Photosynthesis of plants growing during the first two years of a study of a planted community characteristic of low-fertility, species-rich calcareous grassland in the foothills of the Swiss Jura mountains (where the study was conducted), with CO2 enrichment provided by open-top, open-bottom Screen-Aided CO2 Control (SACC) units
|
49%
|