1. CREAF, 08193 Bellaterra (Cerdanyola del Vallès) Catalonia Spain
2. Basque Centre for Climate Change (BC3) Leioa Spain
3. Department of Forest Ecology and Management Swedish University of Agricultural Sciences (SLU) Umeå Sweden
4. BEECA Universitat de Barcelona Barcelona Catalonia Spain
5. INRAE UMR1391 ISPA Villenave d'Ornon France