1. CREAF Cerdanyola del Vallès Spain
2. Univ. Autònoma Barcelona Cerdanyola del Vallès Spain
3. Centre for Ecology and Hydrology Edinburgh Penicuik UK
4. Department of Forest Ecology and Genetics, Forest Research Centre INIA‐CIFOR Madrid Spain
5. Sustainable Forest Management Research Institute, INIA‐University of Valladolid Madrid Spain
6. UNIROUEN, IRSTEA, ECODIV Normandie Univ. Rouen France
7. Instituto di Genomica Applicata (IGA) Udine Italy
8. Institute of Biosciences and Bioresources, Division of Florence National Research Council Sesto Fiorentino Italy
9. UMR BIOGECO, INRA Univ. of Bordeaux Cestas France