Crowther, T. W.
Glick, H. B.
Covey, K. R.
Bettigole, C.
Maynard, D. S.
Thomas, S. M.
Smith, J. R.
Hintler, G.
Duguid, M. C.
Amatulli, G.
Tuanmu, M.-N.
Jetz, W.
Salas, C.
Stam, C.
Piotto, D.
Tavani, R.
Green, S.
Bruce, G.
Williams, S. J.
Wiser, S. K.
Huber, M. O.
Hengeveld, G. M.
Nabuurs, G.-J.
Tikhonova, E.
Borchardt, P.
Li, C.-F.
Powrie, L. W.
Fischer, M.
Hemp, A.
Homeier, J.
Cho, P.
Vibrans, A. C.
Umunay, P. M.
Piao, S. L.
Rowe, C. W.
Ashton, M. S.
Crane, P. R.
Bradford, M. A.
Article History
Received: 6 May 2015
Accepted: 23 July 2015
First Online: 2 September 2015
Change Date: 9 September 2015
Change Type: Update
Change Details: Minor changes were made to the Author Contributions statements.
Change Date: 13 April 2016
Change Type: Update
Change Details: The link for the global tree density map was added to the Author Information section.
Competing interests
: The authors declare no competing financial interests.