Table 4. Mean values of Q10 (temperature sensitivity) and SRref (soil respiration at the temperature of 10°C) for each site (A, B, C, D and E).
A | B | C | D | E | |
---|---|---|---|---|---|
Q10 | 2.96 ± 0.72b | 1.83 ± 0.25a | 1.90 ± 0.24a | 1.75 ± 0.15a | 1.75 ± 0.32a |
SRref (kg C m-2 yr-1) | 2.17 ± 0.60a | 4.49 ± 0.71c | 2.24 ± 0.58a | 3.17 ± 1.03b | 2.98 ± 0.41ab |
AIC logistic model | 32.95 ± 10.45 | 34. 25 ± 6.45 | 34.19 ± 11.65 | 48.00 ± 14.55 | 49.76 ± 6.70 |
AIC Q10 model | 30.42 ± 13.69 | 34.07 ± 7.31 | 35.39 ± 11.53 | 48.44 ± 14.13 | 49.11 ± 6.60 |
R2 logistic model | 0.76 ± 021 | 0.75 ± 0.20 | 0.75 ± 0.16 | 0.67 ± 0.11 | 0.58 ± 0.10 |
R2 Q10 model | 0.75 ± .23 | 0.71 ± 0.23 | 0.68 ± 0.21 | 0.61 ± 0.11 | 0.55 ± 0.11 |
MAE logistic model | 1.06 ± 0.65 | 1.06 ± 0.45 | 0.68 ± 0.32 | 1.26 ± 0.62 | 1.29 ± 0.25 |
MAE Q10 model | 1.07 ± 0.68 | 1.14 ± 0.52 | 0.79 ± 0.36 | 1.46 ± 0.76 | 1.39 ± 0.26 |
RMSE logistic model | 1.36 ± 0.94 | 1.27 ± 0.50 | 0.86 ± 0.44 | 1.70 ± 0.89 | 1.71 ± 0.36 |
RMSE Q10 model | 1.38 ± 1.0 | 1.36 ± 0.55 | 0.99 ± 0.49 | 1.87 ± 1.02 | 1.77 ± 0.38 |
MAE (Mean Absolute Error), RMSE (Root Mean Squared Error); R2 (Determination Coefficient) and AIC (Akaike information criterion). Different letters indicate significant differences between sites. Values are expressed as mean ± SD.