Vancheva, Nina
Bobeva, Aneliya
Pehlivanov, Luchezar
Stefanov, Tihomir
Georgiev, Boyko B. http://orcid.org/0000-0003-4736-4998
Article History
Received: 11 October 2019
Accepted: 21 April 2020
First Online: 7 May 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The authors carefully reviewed the ethical standards of the journal and hereby certify that the procedures used with the investigated species comply fully with those standards. The methods used in the current study were approved by the Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences.