Percent Dry Weight (Biomass) Increases for
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]


Statistics
 
300 ppm
600 ppm
900 ppm
 Number of Results
33
 
 
 Arithmetic Mean
36.8%
 
 
 Standard Error
6.4%
 
 

Individual Experiment Results

Journal References

Experimental Conditions
300 ppm
600 ppm
900 ppm

Heath et al. (2005)

Well-watered seedlings grown for 15 months 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
28%

 

 

Heath et al. (2005)

Well-watered seedlings grown for 15 months 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
0%

 

 

Huttunen et al. (2007)

Well-watered seedlings in pots filled with peat with no added nitrogen (N) - grown within climate-controlled closed-top chambers from mid-June to October of 2002 at the Mekrijarvi Research Station of the University of Joensuu, Finland, at ambient air temperature
17%

 

 

Huttunen et al. (2007)

Well-watered seedlings in pots filled with peat at moderate nitrogen (N) fertility (130 kg N ha-1) - grown within climate-controlled closed-top chambers from mid-June to October of 2002 at the Mekrijarvi Research Station of the University of Joensuu, Finland, at ambient air temperature
32%

 

 

Huttunen et al. (2007)

Well-watered seedlings in pots filled with peat at high nitrogen (N) fertility (270 kg N ha-1) - grown within climate-controlled closed-top chambers from mid-June to October of 2002 at the Mekrijarvi Research Station of the University of Joensuu, Finland, at ambient air temperature
13%

 

 

Huttunen et al. (2007)

Well-watered seedlings in pots filled with peat with no added nitrogen (N) - grown within climate-controlled closed-top chambers from mid-June to October of 2002 at the Mekrijarvi Research Station of the University of Joensuu, Finland, at elevated air temperatures that were 2C above ambient from June to August and 4C above ambient for the remainder of the growing season
13%

 

 

Huttunen et al. (2007)

Well-watered seedlings in pots filled with peat at moderate nitrogen (N) fertility (130 kg N ha-1) - grown within climate-controlled closed-top chambers from mid-June to October of 2002 at the Mekrijarvi Research Station of the University of Joensuu, Finland, at elevated air temperatures that were 2C above ambient from June to August and 4C above ambient for the remainder of the growing season
40%

 

 

Huttunen et al. (2007)

Well-watered seedlings in pots filled with peat at high nitrogen (N) fertility (270 kg N ha-1) - grown within climate-controlled closed-top chambers from mid-June to October of 2002 at the Mekrijarvi Research Station of the University of Joensuu, Finland, at elevated air temperatures that were 2C above ambient from June to August and 4C above ambient for the remainder of the growing season
25%

 

 

Ineson et al. (1996)

FACE, root
67%

 

 

Ineson et al. (1996)

FACE, stem
16%

 

 

Kuokkanen et al. (2004)

Shoot biomass of seedlings grown for two growing seasons in closed-top chambers at ambient temperature
130%

 

 

Kuokkanen et al. (2004)

Shoot biomass of seedlings grown for two growing seasons in closed-top chambers at ambient temperature + 3C
26%

 

 

Kuokkanen et al. (2004)

Root biomass of seedlings grown for two growing seasons in closed-top chambers at ambient temperature
80%

 

 

Kuokkanen et al. (2004)

Root biomass of seedlings grown for two growing seasons in closed-top chambers at ambient temperature + 3C
22%

 

 

Lavola et al. (2000)

growth chambers inside greenhouse, no UV-B
11%

 

 

Lavola et al. (2000)

growth chambers inside greenhouse, elevated UV-B
14%

 

 

Mattson et al. (2004)

One-year-old seedlings grown in closed-top chambers for one summer and autumn in 0.3-dm3 pots containing an unfertilized commercial peat maintained at low soil nitrogen levels (0 kg N ha-1) and ambient temperatures
37%

 

 

Mattsonet al. (2004)

One-year-old seedlings grown in closed-top chambers for one summer and autumn in 0.3-dm3 pots containing an unfertilized commercial peat maintained at low soil nitrogen levels (150 kg N ha-1) and ambient temperatures
42%

 

 

Mattson et al. (2004)

One-year-old seedlings grown in closed-top chambers for one summer and autumn in 0.3-dm3 pots containing an unfertilized commercial peat maintained at low soil nitrogen levels (500 kg N ha-1) and ambient temperatures
56%

 

 

Mattson et al. (2004)

One-year-old seedlings grown in closed-top chambers for one summer and autumn in 0.3-dm3 pots containing an unfertilized commercial peat maintained at low soil nitrogen levels (0 kg N ha-1) and ambient + 3C temperatures
7%

 

 

Mattson et al. (2004)

One-year-old seedlings grown in closed-top chambers for one summer and autumn in 0.3-dm3 pots containing an unfertilized commercial peat maintained at low soil nitrogen levels (150 kg N ha-1) and ambient + 3C temperatures
45%

 

 

Mattson et al. (2004)

One-year-old seedlings grown in closed-top chambers for one summer and autumn in 0.3-dm3 pots containing an unfertilized commercial peat maintained at high soil nitrogen levels (500 kg N ha-1) and ambient + 3C temperatures
73%

 

 

Rey and Jarvis (1997)

Plants grown from seed and watered and fertilized as deemed necessary, for the first year in pots and for three and a half more years rooted in the ground out-of-doors in open-top chambers
50%

 

 

Riikonen et al. (2004)

Seven-year-old saplings of Clones 4 grown outside in open-top chambers for 3 years in ambient concentrations of O3 and double-ambient CO2
-2%

 

 

Riikonen et al. (2004)

Seven-year-old saplings of Clones 4 grown outside in open-top chambers for 3 years in double-ambient concentrations of O3 and CO2
41%

 

 

Riikonen et al. (2004)

Seven-year-old saplings of Clones 80 grown outside in open-top chambers for 3 years in ambient concentrations of O3 and double-ambient CO2
33%

 

 

Riikonen et al. (2004)

Seven-year-old saplings of Clones 80 grown outside in open-top chambers for 3 years in double-ambient concentrations of O3 and CO2
40%

 

 

Esmeijer-Liu et al. (2009)

Two-year-old saplings grown for two additional years in 26-cm diameter x 22.5-cm high containers filled with poor heath soil within two greenhouse chambers at the following rate of nitrogen (N) deposition: very low (0 kg N ha-1)
-9%

 

 

Esmeijer-Liu et al. (2009)

Two-year-old saplings grown for two additional years in 26-cm diameter x 22.5-cm high containers filled with poor heath soil within two greenhouse chambers at the following rate of nitrogen (N) deposition: medium to high (50 kg N ha-1)
26%

 

 

Esmeijer-Liu et al. (2009)

Two-year-old saplings grown for two additional years in 26-cm diameter x 22.5-cm high containers filled with poor heath soil within two greenhouse chambers at the following rate of nitrogen (N) deposition: very high (100 kg N ha-1)
10%

 

 

Hoosbeek et al. (2011)

Seedlings grown for four years in a FACE experiment conducted out-of-doors near Bangor, Wales (UK)
25%

 

 

Smith et al. (2013)

Aboveground woody tissue produced by initially 60-cm-tall saplings grown out-of-doors for a period of four years (2005-2009) in a FACE study conducted at Bangor University, North Wales, UK
24%

 

 

Hao et al. (2018)

Total plant biomass after six months of CO2 enrichment of well-watered and fertilized plants grown in controlled environment chambers during their second full growing season
182%

 

 

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