Mapping tree density at a global scale

Titelangaben

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, Andreas ; 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.:
Mapping tree density at a global scale.
In: Nature. Bd. 525 (2015) . - S. 201-205.
ISSN 1476-4687
DOI: https://doi.org/10.1038/nature14967

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Abstract

Ground-sourced tree density data is assembled to provide a global map of tree density, which reveals that there are three trillion trees (tenfold more than previous estimates); tree numbers have declined by nearly half since the start of human civilization and over 15 billion trees are lost on an annual basis.