300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Pinus sylvestris L. [Scots Pine]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
22
|
|
|
| Arithmetic Mean |
70.1%
|
|
|
| Standard Error |
25.2%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Beerling and Woodward (1996) |
controlled environment greenhouse, July
|
600%
|
|
|
|
Beerling and Woodward (1996) |
controlled environment greenhouse, September
|
101%
|
|
|
|
Fransson and Johansson (2010) |
Photosynthesis (ectomycorrhizal) of well-watered and fertilized seedlings grown for several weeks in controlled-environment facilities
|
40%
|
|
|
|
Fransson and Johansson (2010) |
Photosynthesis (nonmycorrhizal) of well-watered and fertilized seedlings grown for several weeks in controlled-environment facilities
|
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 (FS) containing 2.5 g/liter of slow release Osmocote fertilizer, all located within several 4.5-m-diameter Solardomes
|
17%
|
|
|
|
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
|
17%
|
|
|
|
Jach and Ceulemans (2000) |
open-top chamber, 1-year old
|
47%
|
|
|
|
Jach and Ceulemans (2000) |
open-top chamber, 2-year old
|
49%
|
|
|
|
Janssens et al. (2005) |
Three-year-old seedlings planted in a sandy forest soil and grown for an additional three years within open-top chambers without any added nutrients or water
|
22%
|
|
|
|
Janssens et al. (2005) |
Three-year-old seedlings planted in a sandy forest soil and grown for an additional four years within open-top chambers without any added nutrients or water
|
19%
|
|
|
|
Johansson et al. (2009) |
Photosynthesis of seedlings grown in liquid culture for a period of six weeks with no ectomycorrhizal fungi associated with their roots
|
40%
|
|
|
|
Johansson et al. (2009) |
Mean photosynthesis of seedlings grown in liquid culture for a period of six weeks infected with eight different mycorrhizae (ectomycorrhizal fungi associated with their roots)
|
35%
|
|
|
|
Kellomaki and Wang (1996) |
open-top chambers, normal temperature, needle water potential -0.3 to 0.5
|
38%
|
|
|
|
Kellomaki and Wang (1996) |
open-top chambers, normal temperature, needle water potential -0.9 to 1.1
|
36%
|
|
|
|
Kellomaki and Wang (1996) |
open-top chambers, normal temperature, needle water potential -1.6 to 1.3
|
40%
|
|
|
|
Kellomaki and Wang (1996) |
open-top chambers, elevated temperature, needle water potential -0.3 to 0.5
|
46%
|
|
|
|
Kellomaki and Wang (1996) |
open-top chambers, elevated temperature, needle water potential -0.9 to 1.1
|
56%
|
|
|
|
Kellomaki and Wang (1996) |
open-top chambers, elevated temperature, needle water potential -1.6 to 1.3
|
112%
|
|
|
|
Kellomaki and Wang (1997) |
field
|
22%
|
|
|
|
Wang et al. (2003) |
Photosynthesis of one-year-old shoot sections of 30-year-old trees growing out-of-doors in closed-top chambers in Finland: seasonal mean of daily total net photosynthesis per unit projected needle area over three years
|
16%
|
|
|
|
Zhou et al. (2011) |
Photosynthesis of eight-year-old saplings transplanted into open-top chambers and grown for an additional nine years at different atmospheric CO2 concentrations, with measurements of current-year needles of non-shaded top shoots being made on clear days between 0830 and 1130 hours in the last two years of the study
|
76%
|
|
|
|
Zhou et al. (2011) |
Photosynthesis of eight-year-old saplings transplanted into open-top chambers and grown for an additional nine years at different atmospheric CO2 concentrations, with measurements of one-year-old needles of non-shaded top shoots being made on clear days between 0830 and 1130 hours in the last two years of the study
|
74%
|
|
|