1. Institute of Ecological Science, Department of Systems Ecology, Faculty of Earth and Life Sciences, Vrije Universiteit, De Boelelaan 1087, 1081 HV Amsterdam, The Netherlands
2. University of Insubria, Department of Structural and Functional Biology, via Dunant 3, 21100 Varese, Italy
3. Department of Geology, Area of Ecology, University of Alcalá, Ctra. Madrid‐Barcelona, Km 33.6000, E‐28871 Alcala de Henares (Madrid), Spain
4. Centro Nacional de Mejora Forestal ‘El Serranillo’, DGCONA (MIMAM), P.O. Box 249, E‐19004 Guadalajara, Spain
5. Departamento de Ecología Funcional y Biodiversidad, Instituto Pirenaico de Ecología (CSIC), P.O. Box 202, E‐50080 Zaragoza, Spain
6. ECOS, 50 First Cross Street, Rainbow Nagar, 605011 Pondicherry, India
7. Department of Plant Ecology, Utrecht University, P.O. Box 800.84, 3508 TB Utrecht, The Netherlands