Forest biodiversity increases productivity via complementarity from greater canopy structural complexity - Xianglu Deng; Bernhard Schmid; Helge Bruelheide; Chen Chen; Yi Li; Shan Li; Felix Morsdorf; Tama Ray; Meredith C. Schuman; Ting Tang; Goddert von Oheimb; Keping Ma; et al. (Proceedings of the National Academy of Sciences, 2025)