| Autor: |
Ferry Slik, J. W., Arroyo-Rodríguez, Víctor, Shin-Ichiro Aiba, Alvarez-Loayza, Patricia, Alves, Luciana F., Ashton, Peter, Balvanera, Patricia, Bastian, Meredith L., Bellingham, Peter J., van den Berg, Eduardo, Bernacci, Luis, da Conceição Bispo, Polyanna, Blanc, Lilian, Böhning-Gaese, Katrin, Boeckx, Pascal, Bongers, Frans, Boyle, Brad, Bradford, Matt, Brearley, Francis Q., Hockemba, Mireille Breuer-Ndoundou |
| Předmět: |
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| Zdroj: |
Proceedings of the National Academy of Sciences of the United States of America; 6/16/2015, Vol. 112 Issue 24, p7472-7477, 6p |
| Abstrakt: |
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 minimumof ∼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. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
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