1. Centre for Ecology, Evolution and Environmental Changes & CHANGE ‐ Global Change and Sustainability Institute, Faculdade de Ciências Universidade de Lisboa Lisbon Portugal
2. Departament de Ciències Ambientals Universitat de Girona Girona Catalonia Spain
3. Swiss Federal Institute for Forest, Snow and Landscape Research WSL Birmensdorf Switzerland
4. Natural History Museum of Bern Bern Switzerland