Alessandro Paletto1, Fabrizio Ferretti2, Isabella De Meo1, Paolo Cantiani3 and Marco Focacci4 1Agricultural Research Council – Forest Monitoring and Planning Research Unit (CRA-MPF), Villazzano di Trento 2Agricultural Research Council – Apennine Forestry Research Unit (CRA-SFA), Isernia 3Agricultural Research Council – Research Centre for Forest Ecology and Silviculture (CRA-SEL), Arezzo 4Land ...