300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Quercus robur L. [Pedunculate Oak]
300 ppm
|
600 ppm
|
900 ppm
|
|
Number of Results |
9
|
|
|
Arithmetic Mean |
35.8%
|
|
|
Standard Error |
6.2%
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
Beerling et al. (1996) |
Solardomes, year 1
|
50%
|
|
|
Beerling et al. (1996) |
Solardomes, year 2
|
31%
|
|
|
Heath (1998) |
Solardomes, low PPFD
|
24%
|
|
|
Heath (1998) |
Solardomes, high PPFD
|
49%
|
|
|
Heath and Kerstiens (1997) |
Solardomes
|
40%
|
|
|
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
|
23%
|
|
|
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
|
75%
|
|
|
Possell et al. (2004) |
Unfertilized seedlings grown one to a mesocosm (16 cm diameter, 60 cm deep) in solardomes for one year prior to measurements
|
17%
|
|
|
Possell et al. (2004) |
Fertilized seedlings grown one to a mesocosm (16 cm diameter, 60 cm deep) in solardomes for one year prior to measurements
|
13%
|
|
|