Table 1. List of the candidate variables tested as eligible predictors of presence of Carex foetida in the core area (Piemonte region, Northern Italy) and in the potential site (i.e. peripheral area) for species translocation.
Candidate variable | Code | Data type | Units | Used for area (*) |
---|---|---|---|---|
Annual heat:moisture index | AHM | Continuous | °C mm−1 | Core and peripheral |
Degree-days below 0 °C | DD0 | Continuous | °C | Core and peripheral |
Frost-free period | FFP | Continuous | unitless | Core and peripheral |
Mean annual precipitation | MAP | Continuous | mm | Core and peripheral |
Mean annual temperature | MAT | Continuous | °C | Core and peripheral |
Precipitation as snow | PAS | Continuous | mm | Core and peripheral |
Summer heat:moisture index | SHM | Continuous | °C mm−1 | Core and peripheral |
Summer (Jun.-Aug.) mean T° | TAVE_SM | Continuous | °C | Core and peripheral |
Soil type | SOIL | Categorical | 2 categories | Peripheral |
Topographic wetness index | TWI | Continuous | m2 m−1 | Peripheral |
*Depending on the analysis of variable contributions (only if permutation importance was >1).