Funding for this research was provided by:
Bundesamt für Naturschutz (3515822100)
Text and Data Mining valid from 2019-10-31
Received: 22 May 2019
Accepted: 29 August 2019
First Online: 31 October 2019
Ethics approval and consent to participate
: Experimental procedures were approved by the Ministry of Energy Transition, Agriculture, Environment, Nature and Digitalization (MELUND) Schleswig-Holstein, license number V244–69134/2016(92–8/16).
: Not applicable.
: The authors declare that they have no competing interests.