Assessment of the occurrence of the pond turtle Emys orbicularis in Poleski National Park based on drone monitoring first-first Mariusz Wójcik, Sławomir Beeger, Piotr Czyżowski PDF (English)
The impact of the European beaver on the environment of selected water reservoirs in the Ciechanów Forest District – a case study first-first Monika Mańkowska, Katarzyna Dziki-Michalska, Katarzyna Tajchman PDF (English)