300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Caloplaxa trachyphylla (Tuck) A. Zahlbr. [Lichen]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
1
|
1
|
|
| Arithmetic Mean |
38%
|
115%
|
|
| Standard Error |
0%
|
0
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Coxson et al. (1983) |
laboratory growth chambers, full thallus hydration
|
38%
|
115% |
|