1. Consiglio per la Ricerca in Agricoltura e l’analisi dell’economia Agraria (CREA), Research Centre for Agriculture and Environment, 50125 Firenze, Italy
2. Consiglio per la Ricerca in Agricoltura e l’analisi dell’economia Agraria (CREA), Research Centre for Forestry and Wood, 38123 Trento, Italy
3. Department of Civil, Environmental and Mechanical Engineering, University of Trento, 38122 Trento, Italy