1. CREAF Center for Ecological Research and Forestry Applications, Unitat d'Ecologia, Departament Biologia Animal, Biologia Vegetal i Ecologia, Edifici C, Universitat Autònoma de Barcelona, 08193 Bellaterra (Barcelona), Spain
2. Unitat Ecofisiologia, CSIC‐CEAB‐CREAF, CREAF Center for Ecological Research and Forestry Applications, Edifici C, Universitat Autónoma de Barcelona, 08193 Bellaterra (Barcelona), Spain