1. Department of Biogeochemical Processes Max‐Planck‐Institute for Biogeochemistry Jena Germany
2. Department of Environmental Sciences–Botany Basel University Basel Switzerland
3. Department of Natural Systems and Resources Technical University of Madrid (UPM) Madrid Spain
4. Department of Plants and Crops, Laboratory of Plant Ecology, Faculty of Bioscience Engineering Ghent University Gent Belgium
5. Department of Forest Botany and Tree Physiology, Laboratory for Radioisotopes Georg‐August University Göttingen Göttingen Germany
6. Department of Bioclimatology Georg‐August University Göttingen Göttingen Germany
7. UMR 1332 Biologie du Fruit et Pathologie, INRAE University of Bordeaux Villenave d'Ornon France
8. Institute for Forest Protection, Julius Kühn‐Institute Federal Research Centre for Cultivated Plants Quedlinburg Germany