A global analysis of root distributions for terrestrial biomes Jackson, R. B. ; Canadell, J. ; Ehleringer, J. R. ; Mooney, H. A. ; Sala, O. E. ; Schulze, E. D. Abstract Publication: Oecologia Pub Date: November 1996 DOI: 10.1007/BF00333714 Bibcode: 1996Oecol.108..389J