Lines of pollarded mulberry trees (Morus spp.) in the Po river plane, Italy. The pollarded trees present evident large stem cavities due to the pruning of the upper branches. Photo by F. Mason.

  Part of: Zapponi L, Mazza G, Farina A, Fedrigoli L, Mazzocchi F, Roversi PF, Sabbatini Peverieri G, Mason F (2017) The role of monumental trees for the preservation of saproxylic biodiversity: re-thinking their management in cultural landscapes. In: Campanaro A, Hardersen S, Sabbatini Peverieri G, Carpaneto GM (Eds) Monitoring of saproxylic beetles and other insects protected in the European Union. Nature Conservation 19: 231-243.