1. Department for Innovation in Biological, Agro-food and Forest Systems, University of Tuscia, Via S. Camillo de Lellis s.n.c., I-01100 Viterbo
2. Technologies and Science Department for Environment and Territory, Molise University, Contrada Fonte Lappone s.n.c., I-86090 Pesche (IS)
3. Agricultural Research Council (CRA)—Forest Monitoring and Management Research Unit (MPF), Piazza Nicolini 6, loc. Villazzano, I-38123 Trento
4. Department of Agricultural and Forest Economics, Engineering, Sciences and Technologies, University of Florence, Via San Bonaventura 13, I- 50145 Florence
5. Department for Innovation in Biological, Agro-food and Forest Systems, University of Tuscia, Via S. Camillo de Lellis s.n.c., I-01100 Viterbo, doctoral research activities carried out at and funded by CRA-MPF