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.
Pascopyrum smithii (Rydb.) A. Love [Western Wheatgrass]
Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Pascopyrum smithii (Rydb.) A. Love [Western Wheatgrass]
|
Experimental Conditions
|
300 ppm
|
600 ppm |
900 ppm
|
|
|
LeCain et al. (2003)
|
Photosynthesis of plants growing naturally in a semi-arid nitrogen-limited grassland of northeastern Colorado (USA) within open-top chambers for a period of four years
|
25%
|
|
|
|
Morgan et al. (1994)
|
Intact soil cores with plants in growth chambers in 3rd & 4th growing seasons under ambient temperature
|
55%
|
|
|
|
Morgan et al. (1994)
|
Intact soil cores with plants in growth chambers in 3rd & 4th growing seasons under ambient temperature + 4°C
|
21%
|
|
|
|
Morgan et al. (1998)
|
growth chambers, 30 days after planting
|
57%
|
|
|
|
Morgan et al. (1998)
|
growth chambers, 60 days after planting
|
129%
|
|
|