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Disappearing Opportunities EXTINCTION Estimate and Method of estimation % Global Lossper 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 rates1 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 books1 0.6-5% 6,000-50,000 18,000-150,000 Mace (1994)

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Consequences of Deforestation Erosion Loss of Renewable Resources Atmospheric Role

Local Climate Regulation Loss of Species, Disease Climactic Role Extinction

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