Table 2.

Information of the independent variables.

Environmental Indicators		Description of Variables
Altitude	Elevation	Plain 0–300 m Hill 300–600 m Mountain > 600 m
Climate	Mean temperature; annual precipitation	Mediterranean climate Temperate transitional climate
UNESCO heritage	Elevation	Listed area (presence in the list of UNESCO municipalities) Buffer zone (absence in the list of UNESCO municipalities)
Municipalities	Elevation	Coastal (presence of municipalities in the coastal zone) No coastal (absence of municipalities in the no coastal zone)

Note: The table shows the subsets of the different indicators.