1. Department of Humanities Studies, University of Naples Federico II, 80133 Naples, Italy
2. Department of Biology, University of Naples Federico II, 80126 Naples, Italy
3. Istituto Di Gestione Della Fauna (IGF), Via Michelangelo da Caravaggio 143, 80126 Naples, Italy
4. Department of Water Resource Protection, ACEA ATO2 S.p.A., 00154 Rome, Italy