300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Larix decidua [European Larch]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
4
|
4
|
4
|
| Arithmetic Mean |
62%
|
0%
|
0%
|
| Standard Error |
3.6%
|
0
|
0%
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Handa et al. (2005) |
27-year-old trees in a FACE study conducted at the treeline (2180 m above sea level) in the Swiss Central Alps (2002)
|
68%
|
||
|
Handa et al. (2005) |
27-year-old trees in a FACE study conducted at the treeline (2180 m above sea level) in the Swiss Central Alps (2003)
|
51%
|
||
|
Hattenschwiler et al. (2002) |
Three-month Swiss alpine treeline FACE study
|
69%
|
||
|
Streit et al. (2014) |
35-year-old trees that had been growing in FACE arrays within an afforestation site close to Davos, Switzerland, at an altitude of 2180 m.a.s.l. for the prior nine years
|
60%
|