300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Fagus sylvatica L. [European Beech]
300 ppm
|
600 ppm
|
900 ppm
|
|
Number of Results |
14
|
|
|
Arithmetic Mean |
58.7%
|
|
|
Standard Error |
8.9%
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
Beerling et al. (1996) |
Solardomes, year 1
|
72%
|
|
|
Beerling et al. (1996) |
Solardomes, year 2
|
109%
|
|
|
Dyckmans et al. (2000) |
3-yr. old seedlings grown for 6 weeks in controlled environment chambers
|
54%
|
|
|
Egli et al. (1998) |
open-top chambers
|
33%
|
|
|
Heath (1998) |
Solardomes, low PPFD
|
13%
|
|
|
Heath (1998) |
Solardomes, high PPFD
|
98%
|
|
|
Heath (1998) |
Solardomes, drought period
|
106%
|
|
|
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
|
52%
|
|
|
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
|
16%
|
|
|
Heath and Kerstiens (1997) |
Solardomes
|
90%
|
|
|
Kosvancova et al. (2009) |
Photosynthesis of fully developed leaves from the upper part of the crowns of well watered and fertilized seven-year-old trees grown for three seasons in glass-dome facilities in the Beskydy Mountains of the northeast Czech Republic
|
19%
|
|
|
Maurer et al. (1999) |
saplings rooted in natural soil for three years
|
87%
|
|
|
Taylor and Dobson (1989) |
tubes (1-m deep, 6.9-m diameter), low water
|
33%
|
|
|
Taylor and Dobson (1989) |
tubes (1-m deep, 6.9-m diameter), adequate water
|
40%
|
|
|