TABLE 1.
Spearman correlation matrix showing the relationships among rates of CO2 evolution, plant litter water potentials, polyol and trehalose concentrations, and environmental conditions during field studies
| Parameter | Spearman correlation coefficienta
|
||||
|---|---|---|---|---|---|
| Temp | Relative humidity | Water potential | Trehalose concn | Polyol concn | |
| Carbon dioxide evolution | −0.52 (75)b | 0.44 (75)b | 0.86 (45)b | −0.40 (45) | −0.66 (45)b |
| Temp | −0.81 (75)b | −0.61 (45)b | 0.38 (45) | 0.42 (45) | |
| Relative humidity | 0.63 (45)b | −0.45 (45) | −0.43 (45) | ||
| Water potential | −0.53 (45)b | −0.75 (45)b | |||
| Trehalose concn | 0.62 (45)b | ||||
a
The values in parentheses are the numbers of samples examined.
b
P < 0.05. P values were adjusted for multiple comparisons (15) by using the Bonferroni adjustment method.