A number of studied parameters and relative percentages within examined papers (left panel) and studied show caves (right panel) B frequency and relative percentage of papers (left panel) and show caves (right panel) examining the different parameters.

 
 
  Part of: Piano E, Nicolosi G, Mammola S, Balestra V, Baroni B, Bellopede R, Cumino E, Muzzulini N, Piquet A, Isaia M (2022) A literature-based database of the natural heritage, the ecological status and tourism-related impacts in show caves worldwide. Nature Conservation 50: 159-174. https://doi.org/10.3897/natureconservation.50.80505