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.

Pinus sylvestris L. [Scots Pine]


Statistics
 
300 ppm
600 ppm
900 ppm
 Number of Results
63
 
 
 Arithmetic Mean
35%
 
 
 Standard Error
4.3%
 
 

Individual Experiment Results

Journal References

Experimental Conditions
300 ppm
600 ppm
900 ppm

Alberton et al. (2010)

Shoot biomass (whole period) of plants grown from seed for 125 days in Petri dishes, both with and without inoculation with various dark septate root endophytic (DSE) fungi, within controlled-environment chambers
18%

 

 

Alberton et al. (2010)

Root biomass (whole period) of plants grown from seed for 125 days in Petri dishes, both with and without inoculation with various dark septate root endophytic (DSE) fungi, within controlled-environment chambers
16%

 

 

Alberton et al. (2010)

Shoot biomass (final 27 days) of plants grown from seed for 125 days in Petri dishes, both with and without inoculation with various dark septate root endophytic (DSE) fungi, within controlled-environment chambers
34%

 

 

Alberton et al. (2010)

Root biomass (final 27 days) of plants grown from seed for 125 days in Petri dishes, both with and without inoculation with various dark septate root endophytic (DSE) fungi, within controlled-environment chambers
26%

 

 

Alberton et al. (2007)

Plants grown from seed in Petri dishes with limited N availability within controlled environment chambers for 156 days without an association with one of seven species of ectomycorrhizal (ECM) fungi
31%

 

 

Alberton et al. (2007)

Mean biomass of plants grown from seed in Petri dishes with limited N availability within controlled environment chambers for 156 days with an association with one of seven species of ectomycorrhizal (ECM) fungi
31%

 

 

Alberton et al. (2007)

Minimum biomass of plants grown from seed in Petri dishes with limited N availability within controlled environment chambers for 156 days with an association with one of seven species of ectomycorrhizal (ECM) fungi
8%

 

 

Alberton et al. (2007)

Maximum biomass of plants grown from seed in Petri dishes with limited N availability within controlled environment chambers for 156 days with an association with one of seven species of ectomycorrhizal (ECM) fungi
75%

 

 

Alberton and Kuyper (2009)

Seedlings grown (first within controlled-environment chambers for 76 days and then within Experimental Soil Plant Atmosphere Systems for 27 days) in Petri dishes that contained 50 g of a peat-vermiculite mixture with adequate water and fertility -- except for nitrogen (N), which was of low (2.1 mg) availability -- and in the absence of any ectomycorrhizal fungi
10%

 

 

Alberton and Kuyper (2009)

Seedlings grown (first within controlled-environment chambers for 76 days and then within Experimental Soil Plant Atmosphere Systems for 27 days) in Petri dishes that contained 50 g of a peat-vermiculite mixture with adequate water and fertility -- except for nitrogen (N), which was of high (4.2 mg) availability -- and in the absence of any ectomycorrhizal fungi
16%

 

 

Alberton and Kuyper (2009)

Seedlings grown (first within controlled-environment chambers for 76 days and then within Experimental Soil Plant Atmosphere Systems for 27 days) in Petri dishes that contained 50 g of a peat-vermiculite mixture with adequate water and fertility -- except for nitrogen (N), which was of low (2.1 mg) availability -- and inoculated with the ectomycorrhizal fungi Hebeloma cylindrosporum
-18%

 

 

Alberton and Kuyper (2009)

Seedlings grown (first within controlled-environment chambers for 76 days and then within Experimental Soil Plant Atmosphere Systems for 27 days) in Petri dishes that contained 50 g of a peat-vermiculite mixture with adequate water and fertility -- except for nitrogen (N), which was of high (4.2 mg) availability -- and inoculated with the ectomycorrhizal fungi Hebeloma cylindrosporum
12%

 

 

Alberton and Kuyper (2009)

Seedlings grown (first within controlled-environment chambers for 76 days and then within Experimental Soil Plant Atmosphere Systems for 27 days) in Petri dishes that contained 50 g of a peat-vermiculite mixture with adequate water and fertility -- except for nitrogen (N), which was of low (2.1 mg) availability -- and inoculated with the ectomycorrhizal fungi Laccaria bicolor
21%

 

 

Alberton and Kuyper (2009)

Seedlings grown (first within controlled-environment chambers for 76 days and then within Experimental Soil Plant Atmosphere Systems for 27 days) in Petri dishes that contained 50 g of a peat-vermiculite mixture with adequate water and fertility -- except for nitrogen (N), which was of high (4.2 mg) availability -- and inoculated with the ectomycorrhizal fungi Laccaria bicolor
27%

 

 

Alberton and Kuyper (2009)

Seedlings grown (first within controlled-environment chambers for 76 days and then within Experimental Soil Plant Atmosphere Systems for 27 days) in Petri dishes that contained 50 g of a peat-vermiculite mixture with adequate water and fertility -- except for nitrogen (N), which was of low (2.1 mg) availability -- and inoculated with the ectomycorrhizal fungi Suillus bovinus
7%

 

 

Alberton and Kuyper (2009)

Seedlings grown (first within controlled-environment chambers for 76 days and then within Experimental Soil Plant Atmosphere Systems for 27 days) in Petri dishes that contained 50 g of a peat-vermiculite mixture with adequate water and fertility -- except for nitrogen (N), which was of high (4.2 mg) availability -- and inoculated with the ectomycorrhizal fungi Suillus bovinus
29%

 

 

Broadmeadow and Jackson (2000)

open-top chambers
51%

 

 

Crookshanks et al. (1998)

open-top chamber, roots
49%

 

 

Fransson et al. (2005)

Pine seedlings colonized by ectomycorrhizal fungi and grown for six weeks in pots in growth chambers
13%

 

 

Fransson and Johanssonn (2010)

Nonmycorrhizal shoot biomass of well-watered and fertilized seedlings grown for several weeks in controlled-environment facilities
23%

 

 

Fransson and Johanssonn (2010)

Nonmycorrhizal root biomass of well-watered and fertilized seedlings grown for several weeks in controlled-environment facilities
33%

 

 

Gorissen and Kuyper (2000)

glasshouse compartments, inoculated with Suillus bovinus, root
68%

 

 

Gorissen and Kuyper (2000)

glasshouse compartments, inoculated with Suillus bovinus, shoot
14%

 

 

Gorissen and Kuyper (2000)

glasshouse compartments, inoculated with Suillus bovinus, total dry weight
47%

 

 

Gorissen and Kuyper (2000)

glasshouse compartments, inoculated with Laccaria bicolor, root
5%

 

 

Gorissen and Kuyper (2000)

glasshouse compartments, inoculated with Laccaria bicolor, shoot
4%

 

 

Gorissen and Kuyper (2000)

glasshouse compartments, inoculated with Laccaria bicolor, total dry weight
5%

 

 

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
42%

 

 

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
45%

 

 

Heyworth et al. (1998)

open-top chambers, needle mass,low nutrients
19%

 

 

Heyworth et al. (1998)

open-top chambers, needle mass,high nutrients
38%

 

 

Ineichen et al. (1995)

greenhouse chambers, inoculated, shoot
13%

 

 

Ineichen et al. (1995)

greenhouse chambers, inoculated, root
68%

 

 

Jach et al. (2000)

open-top chambers, roots
114%

 

 

Jach et al. (2000)

open-top chambers, stem
37%

 

 

Jach et al. (2000)

open-top chambers, buds
49%

 

 

Jach et al. (2000)

open-top chambers, branches 1993-1995
78%

 

 

Jach et al. (2000)

open-top chambers, branches 1996-1998
61%

 

 

Jach et al. (2000)

open-top chambers, needles 1997-1998
35%

 

 

Jach et al. (2000)

open-top chambers, total biomass
55%

 

 

Janssens et al. (1998)

Root biomass of three-year-old seedlings grown in open-top chambers in Belgium for six months
121%

 

 

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
60%

 

 

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
33%

 

 

Johansson et al. (2009)

Seedlings grown in liquid culture for a period of six weeks with no ectomycorrhizal fungi associated with their roots
12%

 

 

Johansson et al. (2009)

Seedlings grown in liquid culture for a period of six weeks with 8 species of ectomycorrhizal fungi associated with their roots
23%

 

 

Kilpelainen et al. (2003)

Fifteen-year-old trees grown at ambient temperature for an additional three years in open-top chambers on a sandy and nutrient-poor, but well-watered, soil
195%

 

 

Kilpelainen et al. (2003)

Fifteen-year-old trees grown at ambient temperature + 2 for an additional three years in open-top chambers on a sandy and nutrient-poor, but well-watered, soil
80%

 

 

Kilpelainen et al. (2005)

20-year-old trees grown for six years in closed chambers in a naturally-regenerated forest near the University of Jensuu, Finlandat at ambient temperature
57%

 

 

Kilpelainen et al. (2005)

20-year-old trees grown for six years in closed chambers in a naturally-regenerated forest near the University of Jensuu, Finlandat at elevated temperatures of +2C in the summer, +4C in the spring and fall, and +6C in the winter
40%

 

 

Markkola et al. (1996)

closed chambers, needles, summer
21%

 

 

Markkola et al. (1996)

closed chambers, needles, autumn
-11%

 

 

Markkola et al. (1996)

closed chambers, roots, summer
30%

 

 

Markkola et al. (1996)

closed chambers, roots, autumn
-9%

 

 

Overdieck and Fenselau (2009)

Well watered one-year-old seedlings grown for three additional growing seasons in 7-liter pots filled with "homogenized soil" out of doors within "phytotron" glass chambers under an acrylic plastic roof
27%

 

 

Raisanen et al. (2008)

Mean needle dry mass at the end of the last two years of a five-year closed-top chamber study of trees that were ~14 years old at the start of the study that were grown at ambient temperatures (AT)
49%

 

 

Raisanen et al. (2008)

Mean needle dry mass at the end of the last two years of a five-year closed-top chamber study of trees that were ~14 years old at the start of the study that were grown at elevated temperatures (ambient +2C, summer, ambient +4C, spring and autumn, ambient +6C, winter)
-25%

 

 

Rouhier and Reed (1998)

Seedlings grown for four months with their root systems not colonized by the mycorrhizal fungi Paxillus involutus or Suillus bovinus
57%

 

 

Rouhier and Reed (1998)

Seedlings grown for four months with their root systems colonized by the mycorrhizal fungi Paxillus involutus
36%

 

 

Rouhier and Reed (1998)

Seedlings grown for four months with their root systems colonized by the mycorrhizal fungi Suillus bovinus
21%

 

 

Utriainen et al. (2000)

open-top chambers
32%

 

 

Utriainen et al. (2000)

open-top chambers, elevated ozone
-6%

 

 

Volanen et al. (2006)

Branch biomass of young well-watered trees in a naturally regenerating stand in eastern Finland enclosed in clear-wall (glass and acrylic) chambers for a period of four years
22%

 

 

Ziche and Overdieck (2004)

Total biomass of plants grown from seed in pots in a phytotron for three years under well-watered conditions but with no additions of nutrients to the soil
28%

 

 

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