Percent Photosynthesis (Net CO2 Exchange Rate) Increases for
300, 600 and 900 ppm Increases in the Air's CO2 Concentration:


For a more detailed description of this table, click here.

Andropogon gerardii Vitman [Big Bluestem]


Statistics
 
300 ppm
600 ppm
900 ppm
 Number of Results
14
1
 
 Arithmetic Mean
23.1%
-11%
 
 Standard Error
5.7%
0
 

Individual Experiment Results

Journal References

Experimental Conditions
300 ppm
600 ppm
900 ppm

Adam et al. (2000)

Plants grown for two growing seasons (one wet and one dry) in open-top chambers; wet year
0%

 

 

Adam et al. (2000)

Plants grown for two growing seasons (one wet and one dry) in open-top chambers; dry year
73%

 

 

Hamerlynck et al. (1997)

Photosynthesis of plants enclosed by open-top chambers throughout their fourth full season of growth under dry conditions in a native tallgrass prairie in northeast Kansas, USA
35%

 

 

Hamerlynck et al. (1997)

Photosynthesis of plants enclosed by open-top chambers throughout their fourth full season of growth under wet conditions in a native tallgrass prairie in northeast Kansas, USA
5%

 

 

Kakani et al. (2008)

Photosynthesis of the top-most fully-expanded leaves of well watered and fertilized plants grown from seed for 55 to 75 days after sowing in sunlit Soil-Plant-Atmosphere-Research units at a daytime temperature of 20°C
23%

 

 

Kakani et al. (2008)

Photosynthesis of the top-most fully-expanded leaves of well watered and fertilized plants grown from seed for 55 to 75 days after sowing in sunlit Soil-Plant-Atmosphere-Research units at a daytime temperature of 25°C
0%

 

 

Kakani et al. (2008)

Photosynthesis of the top-most fully-expanded leaves of well watered and fertilized plants grown from seed for 55 to 75 days after sowing in sunlit Soil-Plant-Atmosphere-Research units at a daytime temperature of 30°C
5%

 

 

Kakani et al. (2008)

Photosynthesis of the top-most fully-expanded leaves of well watered and fertilized plants grown from seed for 55 to 75 days after sowing in sunlit Soil-Plant-Atmosphere-Research units at a daytime temperature of 35°C
16%

 

 

Kakani et al. (2008)

Photosynthesis of the top-most fully-expanded leaves of well watered and fertilized plants grown from seed for 55 to 75 days after sowing in sunlit Soil-Plant-Atmosphere-Research units at a daytime temperature of 40°C
48%

 

 

Kirkham et al. (1991)

field
0%

 

 

Knapp et al. (1993)

open-top chambers
46%

 

 

LeCain and Morgan (1998)

Well-watered and fertilized C4 plants grown from seed in 8-liter pots for 39 days in controlled environment chambers
40%

 

 

Lee et al. (2011)

Photosynthesis of upper fully-expanded young to mid-aged leaves of plants grown for 13 years in monoculture in the BioCON FACE experiment at the Cedar Creek Ecosystem Science Reserve in east central Minnesota (USA)
13%

 

 

Stamenkovic and Gustin (2009)

Photosynthesis of plants grown from seed in 5-L pots in the laboratory within a gas exchange chamber
20%

-11%

 

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