After several months of preparation and hard work in the field, the Project team consisting of: prof. Jarosław Burczyk, dr. Joanna Meger, Katarzyna Meyza, Ewa Sztupecka and  dr. Bartosz Ulaszewski completed the entire planned collection of research material. It would not have been possible without the huge amount of work put in by dr. Joanna Meger in the logistics of the entire project. At this point, we would also like to thank the drivers of the University and all employees of the State Forests who have always helped us during our work.