Ratcliffe, S., Liebergesell, M., Ruiz-Benito, P., González, J. M., Castañeda, J. M. M., Kändler, G., Lehtonen, A., Dahlgren,
J., Kattge, J., Peñuelas, J., Zavala, M. A., & Wirth, C. (2016). Modes of functional
biodiversity control on tree productivity across the European continent. Global Ecology and Biogeography,
25(3), 251-262. doi:10.1111/geb.12406.