Globally consistent influences of seasonal precipitation limit grassland biomass response to elevated CO₂

Mark J. Hovenden, Sebastian Leuzinger, Paul C. D. Newton, Andrew Fletcher, Simone Fatichi, Andreas Luscher, Peter B. Reich, Louise C. Andresen, Claus Beier, Dana M. Blumenthal, Nona R. Chiariello, Jeffrey S. Dukes, Juliane Kellner, Kirsten Hofmockel, Pascal A. Niklaus, Jian Song, Shiqiang Wan, Aimee T. Classen, J. Adam Langley