Acknowledgements
We thank Nora Adam, Lukas Albrecht, Jennifer Gabriel, Nicole Gorringe, Johanna Häussler, Max Hofmann, Susanne Marr, Johanna Müller, Stefanie Pencs, Robin Schmidt, Andreas Schuldt, Esra Sohlstroem, Rebekka Sontowski, Marie Sünnemann, Daniel Uhlig, and Anja Worrich for their help with the greenhouse experiments. Furthermore, we thank the Jena Experiment technical staff Steffen Eismann, Ute Köber, Gerlinde Kratzsch, Katja Kunze, and Heike Scheffler for their work in maintaining the field site and also many student helpers for weeding of the experimental plots. Further, we thank the central coordination team Anne Ebeling and Annette Jesch, and the data management team led by Birgitta König-Ries. The Jena Experiment is funded by the Deutsche Forschungsgemeinschaft (DFG; FOR 1451, FOR 5000), with additional support by the Friedrich Schiller University Jena, the Max Planck Institute for Biogeochemistry, and the German Centre for Integrative Biodiversity Research (iDiv) Halle–Jena–Leipzig. We also thank Ernst-Detlef Schulze, Bernhard Schmid, Wolfgang W. Weisser, and Christiane Roscher for initiating and establishing the Jena Experiment. Moreover, we acknowledge support of iDiv funded by the German Research Foundation (DFG FZT 118, 202548816). CR acknowledges funding by the German Federal Environmental Foundation (DBU).