P1: Spatial above- and belowground complementarity
P2: Complementarity through trait variation
P3: Growth and temporal stability
P4: Herbivory
P5: Leaf fungal pathogens and endophytes
P6: Biodiversity effects on leaf and litter metabolomes
P7: Rhizosphere and root microbes
P8: Soil multifunctionality
P9: Modelling generalised diversity interactions