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 taeda L. [Loblolly Pine]


Statistics
 
300 ppm
600 ppm
900 ppm
 Number of Results
67
 
 
 Arithmetic Mean
60.9%
 
 
 Standard Error
7.7%
 
 

Individual Experiement Results

Journal References

Experimental Conditions
300 ppm
600 ppm
900 ppm

Allen et al. (2000)

FACE, fine root
130%

 

 

BassiriRad et al. (1997)

greenhouse, 3.5 liter pots
52%

 

 

DeLucia et al. (1999)

FACE, canopy pines, 1996
5%

 

 

DeLucia et al. (1999)

FACE, canopy pines, 1997
36%

 

 

DeLucia et al. (1999)

FACE, canopy pines, 1998
38%

 

 

DeLucia et al. (1999)

FACE, subcanopy hardwoods, 1997
60%

 

 

DeLucia et al. (1999)

FACE, subcanopy hardwoods, 1998
47%

 

 

DeLucia et al. (1999)

FACE, fine roots, 1998
129%

 

 

Finzi et al. (2002)

4-yrs. of FACE exposure
48%

 

 

Finzi et al. (2004)

Canopy biomass from a FACE study at year 3 (1999)
25%

 

 

Finzi et al. (2004)

Canopy biomass from a FACE study at year 4 (2000)
24%

 

 

Gavazzi et al. (2000)

greenhouse, needles
15%

 

 

Gavazzi et al. (2000)

greenhouse, shoot
22%

 

 

Gavazzi et al. (2000)

greenhouse, root
31%

 

 

Gavazzi et al. (2000)

greenhouse, total
21%

 

 

Gebauer et al. (1996)

glasshouse, low nitrogen
35%

 

 

Gebauer et al. (1996)

glasshouse, high nitrogen
93%

 

 

Griffin et al. (1993)

glasshouse, high nitrogen
55%

 

 

Griffin et al. (1995)

greenhouse, low nitrogen
31%

 

 

Griffin et al. (1995)

greenhouse, high nitrogen
70%

 

 

Griffin et al. (1996)

phytotron, low nitrogen
3%

 

 

Griffin et al. (1996)

phytotron, high nitrogen
63%

 

 

Griffin et al. (1997)

phytotron, low nitrogen
31%

 

 

Griffin et al. (1997)

phytotron, medium nitrogen
70%

 

 

Griffin et al. (1997)

phytotron, high nitrogen
8%

 

 

Groninger et al. (1996)

greenhouse
33%

 

 

Hussain et al. (2001)

FACE plot, seed weight
130%

 

 

Johnson et al. (1998)

environment chambers, lab study 1,low nitrogen
13%

 

 

Johnson et al. (1998)

environment chambers, lab study 1,high nitrogen
52%

 

 

Johnson et al. (1998)

environment chambers, lab study 2,low nitrogen
50%

 

 

Johnson et al. (1998)

environment chambers, lab study 2,high nitrogen
80%

 

 

Johnson et al. (1998)

greenhouse, low nitrogen
44%

 

 

Johnson et al. (1998)

greenhouse, high nitrogen
291%

 

 

Johnson et al. (1998)

field study, high nitrogen
27%

 

 

King et al. (1996)

greenhouse, roots, low temperature,low nitrogen
87%

 

 

King et al. (1996)

greenhouse, roots, low temperature,high nitrogen
55%

 

 

King et al. (1996)

greenhouse, roots, high temperature,low nitrogen
193%

 

 

King et al. (1996)

greenhouse, roots, high temperature,high nitrogen
106%

 

 

King et al. (1997)

greenhouse, secondary roots,low temperature
47%

 

 

King et al. (1997)

greenhouse, secondary roots,high temperature
187%

 

 

LaDeau and Clark (2001)

Originally 13-year-old trees in a FACE study exposed to extra CO2 for three years; cone biomass
300%

 

 

LaDeau and Clark (2001)

Originally 13-year-old trees in a FACE study exposed to extra CO2 for four years; cone biomass
300%

 

 

Lewis et al. (1994)

greenhouse, roots, 60 days
21%

 

 

Lewis et al. (1994)

greenhouse, roots, 90 days
57%

 

 

Lewis et al. (1994)

greenhouse, roots, 120 days
41%

 

 

Lewis et al. (1994)

greenhouse, total mass, 60 days
15%

 

 

Lewis et al. (1994)

greenhouse, total mass, 90 days
42%

 

 

Lewis et al. (1994)

greenhouse, total mass, 120 days
34%

 

 

Lewis and Strain (1996)

growth chamber, non-mycorrhizal
55%

 

 

Lewis and Strain (1996)

growth chamber, mycorrhizal
72%

 

 

Lewis and Strain (1996)

growth chamber, low phosphorous
49%

 

 

Lewis and Strain (1996)

growth chamber, high phosphorous
39%

 

 

Lewis and Strain (1996)

growth chamber, 60 days, stem
10%

 

 

Lewis and Strain (1996)

growth chamber, 60 days, primary needles
15%

 

 

Lewis and Strain (1996)

growth chamber, 90 days, stem
47%

 

 

Lewis and Strain (1996)

growth chamber, 90 days, primary needles
25%

 

 

Lewis and Strain (1996)

growth chamber, 90 days, secondary needles
59%

 

 

Lewis and Strain (1996)

growth chamber, 120 days, stem
38%

 

 

Lewis and Strain (1996)

growth chamber, 120 days, primary needles
18%

 

 

Lewis and Strain (1996)

growth chamber, 120 days, secondary needles
33%

 

 

Moore et al. (2006)

Basal area biomass of initially 13-year-old trees grown for 8 additional years in the Duke Forest FACE study (mean of all 8 years)
29%

 

 

Naidu, and Delucia (1999)

1-yr into the Duke Forest FACE experiment on soil of "low nitrogen and phosphorus availability" and after a severe summer drought
21%

 

 

Pritchard et al. (2001)

Root biomass of 14-year-old trees after one year of FACE treatment
37%

 

 

Pritchard et al. (2008)

Fine-root biomass production of eighteen-year-old trees that had been exposed to elevated CO2 for six years in the Duke Forest FACE study: 6-year average
38%

 

 

Tissue et al. (1997)

open-top chambers
90%

 

 

Wertin et al. (2012)

Photosynthesis of one-year-old seedlings grown out-of-doors in 8-L containers filled with a potting medium placed within poly-film chambers at a Cool site within the species current range [Cool (C) and Warm (W), where TW = TC + 4.1C] - at above ambient temperature for the site [ambient (TA) + 2C)] - and averaged across water treatments [where soil moisture conditions were High (volumetric soil water content = 45%) and Low (volumetric soil water content = 32%)]
36%

 

 

Wertin et al. (2012)

Photosynthesis of one-year-old seedlings grown out-of-doors in 8-L containers filled with a potting medium placed within poly-film chambers at a Warm site within the species current range [Cool (C) and Warm (W), where TW = TC + 4.1°C] - at above ambient temperature for the site [ambient (TA) + 2°C)] - and averaged across water treatments [where soil moisture conditions were High (volumetric soil water content = 45%) and Low (volumetric soil water content = 32%)]
23%

 

 

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