Funding for this research was provided by:
The GB Hartmann family foundation (11, 2014-2015, part 3)
Danish Nature Agency
Vemmetofte Kloster
Chinese Scholarship Council (201406300059)
Article History
Received: 30 June 2017
Accepted: 9 January 2018
First Online: 8 February 2018
Free to read: This content has been made available to all.