J.W. Ferry Slik
An estimate of the number of tropical tree species
Slik, J.W. Ferry; Arroyo-Rodr�guez, V�ctor; Aiba, Shin-Ichiro; Alvarez-Loayza, Patricia; Alves, Luciana F.; Field, Richard
Authors
V�ctor Arroyo-Rodr�guez
Shin-Ichiro Aiba
Patricia Alvarez-Loayza
Luciana F. Alves
Dr RICHARD FIELD RICHARD.FIELD@NOTTINGHAM.AC.UK
Professor of Biodiversity Science
Abstract
The high species richness of tropical forests has long been recognized, yet there remains substantial uncertainty regarding the actual number of tropical tree species. Using a pantropical tree inventory database from closed canopy forests, consisting of 657,630 trees belonging to 11,371 species, we use a fitted value of Fisher’s alpha and an approximate pantropical stem total to estimate the minimum number of tropical forest tree species to fall between ∼40,000 and ∼53,000, i.e. at the high end of previous estimates. Contrary to common assumption, the Indo-Pacific region was found to be as species-rich as the Neotropics, with both regions having a minimum of ∼19,000–25,000 tree species. Continental Africa is relatively depauperate with a minimum of ∼4,500–6,000 tree species. Very few species are shared among the African, American, and the Indo-Pacific regions. We provide a methodological framework for estimating species richness in trees that may help refine species richness estimates of tree-dependent taxa.
Citation
Slik, J. F., Arroyo-Rodríguez, V., Aiba, S., Alvarez-Loayza, P., Alves, L. F., & Field, R. (2015). An estimate of the number of tropical tree species. Proceedings of the National Academy of Sciences, 112(24), https://doi.org/10.1073/pnas.1423147112
Journal Article Type | Article |
---|---|
Publication Date | Jun 1, 2015 |
Deposit Date | Jul 9, 2015 |
Publicly Available Date | Mar 28, 2024 |
Journal | Proceedings of the National Academy of Sciences |
Print ISSN | 0027-8424 |
Electronic ISSN | 1091-6490 |
Publisher | National Academy of Sciences |
Peer Reviewed | Peer Reviewed |
Volume | 112 |
Issue | 24 |
DOI | https://doi.org/10.1073/pnas.1423147112 |
Public URL | https://nottingham-repository.worktribe.com/output/750648 |
Publisher URL | http://www.pnas.org/content/112/33/E4628.short |
Related Public URLs | http://www.pnas.org/content/112/24/7472 |
Additional Information | Not all authors listed. |
Files
PNAS resubmission, 09 Mar 15.pdf
(204 Kb)
PDF
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