Redefining fine roots improves understanding of below-ground contributions to terrestrial biosphere processes

M. Luke McCormack, Ian A. Dickie, David M. Eissenstat, Timothy J. Fahey, Christopher W. Fernandez, Dali Guo, Heljä Sisko Helmisaari, Erik A. Hobbie, Colleen M. Iversen, Robert B. Jackson, Jaana Leppälammi-Kujansuu, Richard J. Norby, Richard P. Phillips, Kurt S. Pregitzer, Seth G. Pritchard, Boris Rewald, Marcin Zadworny