300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Parmelia caperata (L.) Ach. [Foliose Lichen]
300 ppm
|
600 ppm
|
900 ppm
|
|
Number of Results |
1
|
1
|
|
Arithmetic Mean |
16%
|
27%
|
|
Standard Error |
0%
|
0
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
Nash et al. (1983) |
laboratory
|
16%
|
27% |
|