1 Department of Plant, Soil and Environmental Science, University of Florence, piazzale delle cascine 18, Florence 50144, Italy.
2 Department of Water, Atmosphere and Environment (WAU), Institute of Meteorology (BOKU-Met), University of Natural Resources and Applied Life Sciences (BOKU), Peter-Jordan Str. 82, Vienna A-1190, Austria.
3 Landscape Systems Analysis, ZALF, Eberswalder Str. 84, Müncheberg 15374, Germany.
4 Land and Water Management, Centre International de Hautes Etudes Agronomiques Mediterraneennes, Via Ceglie 9, Valenzano, Bari 70010, Italy.
5 Center for Policies and Bioeconomy, CREA - Consiglio per la ricerca in agricoltura e l'analisi dell'economia agrarian, Via Po 14, Rome, Lazio 00195, Italy.