| Distribution parameter | Predictor | Effect | Partial slope |
| 8*m (mean) | TTM | linear positive | 0.018 |
|
| INT | linear positive | 0.034 |
|
| CO2 | linear positive | 0.006 |
|
| CRH | inverted u-shaped | −0.002 |
|
| IDIR | linear positive | 0.007 |
|
| CO2:IDIR | non-linear interaction surface | - |
|
| INT:CRH | non-linear interaction surface | - |
|
| RRM:IDIR | non-linear interaction surface | - |
| 3*s (standard deviation) | CRH | linear negative | −0.085 |
|
| ENE:CRH | non-linear interaction surface | - |