Acknowledgements
Fieldwork for this study, including travel to and stay at Arctic Station
was funded through the transnational access program INTERACT –
International Network for Terrestrial Research and Monitoring in the
Arctic. I am grateful to the Government of Greenland for sampling
permission. I express my thanks to Anders Michelsen and Daan Blok for
support with fieldwork preparation and sample transport. I thank Lennard
van Rij for field assistance and Till Groh for lab assistance.