Acknowledgements
We are deeply grateful to our collaborators at the Genetic Diversity
Centre (GDC) at ETH Zurich, in particular to Silvia Kobel and Aria
Minder for their assistance in producing and analyzing the data used in
this paper. A special thanks to Christian Roesti and Maude Poirier for
their invaluable help in field sampling. For their assistance in data
collection, we thank Giulia Donati, Fabian Fopp, Joan Casanelles Abella,
Marie-Angèle Pitteloud, Nico Baetz, Nadine Sandau. Thanks also to
Camille Albouy, Gabriel Dettling, Daniele Pezzotta, Marco Lanfranchi,
Janka Bollenbach, Angéline Bedolla, Alain Reymond, Jean-Nicolas
Pradervand, Glenn Litsios, Antoine Guisan and Nicolas Salamin. This work
was funded by the National Swiss Fund for research (grants 162604 to LP,
31003A_179481 to SR, 31003A-125145 to Antoine Guisan).