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TROPICAL RAINFORESTS: Disappearing Opportunities
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About this site
Providing tropical forest news, statistics, photos, and information, rainforests.mongabay.com is the world's most popular rainforest site. [more] |
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Modern Extinction Estimates
| Estimate and Method of estimation | % Global Loss
per decade | 10 million sp.
Annual Loss | 30 million sp.
Annual Loss | Source |
| 0.2-0.3% annually based on tropical deforestation rate of 1% annually | 2-3% | 20,000-30,000 | 60,000-90,000 | Wilson
(1989, 1993) |
| 2-13% loss between 1990 and 2015 using species area curve and increasing deforestation rates | 0.8-5.2% | 8,000-52,000 | 24,000-156,000 | Reid
(1992) |
| Loss of half the species in the area likely to be deforested by 2015 | 8.3% | 83,000 | 250,000 | Raven
(1988) |
| Fitting exponential extinction functions based on IUCN red data books | 0.6-5% | 6,000-50,000 | 18,000-150,000 | Mace
(1994) |
Continued: Extinction
Unless otherwise specified, this article was written by Rhett A. Butler [Bibliographic citation for this page]
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