The Journal is published online according to the Creative Commons Attribution-Non Commercial 4.0 International (CC BY-NC 4.0) license (https://creativecommons.org/licenses/by-nc/4.0/). Under this license the Italian Academy of Forest Science retains the ownership of the copyright for the published contents, but allows anyone to download, reuse, reprint, modify, distribute and/or copy the content as long as the original authors and source are cited. In any case, the material published on the Journal website cannot be used for commercial purposes.