300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Betula pendula Roth [European White Birch]
300 ppm
|
600 ppm
|
900 ppm
|
|
Number of Results |
7
|
|
|
Arithmetic Mean |
28.6%
|
|
|
Standard Error |
7.8%
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
Eichelmann et al. (2004) |
Seven-year-old saplings grown for three years in open-top chambers in Finland; clone K1659
|
14%
|
|
|
Eichelmann et al. (2004) |
Seven-year-old saplings grown for three years in open-top chambers in Finland; clone V5952
|
14%
|
|
|
Heath et al. (2005) |
Well-watered seedlings grown for just over one year in vertical sections of 16-cm-diameter polyethylene tubes supplied with 10 liters of fertilized soil containing 2.5 g/liter of slow release Osmocote fertilizer, all located within several 4.5-m-diameter Solardomes
|
14%
|
|
|
Heath et al. (2005) |
Well-watered seedlings grown for just over one year in vertical sections of 16-cm-diameter polyethylene tubes supplied with 10 liters of unfertilized soil, all located within several 4.5-m-diameter Solardomes
|
76%
|
|
|
Rey and Jarvis (1998) |
Seedlings grown for four years in open-top chambers
|
28%
|
|
|
Riikonen et al. (2005) |
Well watered and fertilized 7-year-old trees grown for a further three years in open-top chambers in Finland; 3-year average of clone 4: V5952
|
33%
|
|
|
Riikonen et al. (2005) |
Well watered and fertilized 7-year-old trees grown for a further three years in open-top chambers in Finland; 3-year average of clone 80: K1659
|
21%
|
|
|