“Visibility” at Italian natural parks: preliminary data from the first-ever pilot project by ENEA and CUFAA, Petralia, Ettore, La Torretta Teresa M. G., Stracquadanio Milena, Malaguti Antonella, Cremona Giuseppe, Papitto Giancarlo, Cocciufa Cristiana, Gualtieri Maurizio, and Piersanti Antonio , 6th International Congress on Biodiversity “Biodiversity and the new scenarios on alien species, climate, environment and energy” - Trapani (Italy, Sicily) 2–3 September 2022, 06/2024, Volume Biodiversity Journal, 2024, 15 (2), Trapani (Italy, Sicily), p.159–162, (2024)