Acknowledgements
We gratefully acknowledge funding by the Deutsche Forschungsgemeinschaft (DFG; German Research Foundation – 319936945/GRK2324) and the University of Chinese Academy Sciences (UCAS). We acknowledge the support of the International Research Training Group TreeDì and thank the members of the BEF-China platform and especially many local helpers involved in collecting the samples. The Experimental Interaction Ecology group is supported by the German Centre for Integrative Biodiversity Research (iDiv). We gratefully acknowledge the support of iDiv funded by the German Research Foundation (DFG-FZT 118, 202548816). R.B. acknowledges funding by the Saxon State Ministry for Science, Culture and Tourism (SMWK; grant 3-7304/35/6-2021/48880).