Staniaszek-Kik, Monika http://orcid.org/0000-0001-7969-0312
Żarnowiec, Jan http://orcid.org/0000-0002-9662-7531
Stefańska-Krzaczek, Ewa http://orcid.org/0000-0002-5802-0595
Article History
Received: 18 May 2020
Accepted: 26 March 2021
First Online: 22 April 2021
Declarations
:
: We obtained the approval of Karkonosze National Park for conducting the study—license number: 5/2003 (366).
: The authors declare no competing interests.