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  5. The biodiversity crisis

47.1 The biodiversity crisis  (Page 15/27)

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  • Card 15 / 27:
    Describe the two methods used to calculate contemporary extinction rates.

    Extinction rates are calculated based on the recorded extinction of species in the past 500 years. Adjustments are made for unobserved extinctions and undiscovered species. The second method is a calculation based on the amount of habitat destruction and species-area curves.

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Source:  OpenStax, Biology. OpenStax CNX. Feb 29, 2016 Download for free at http://cnx.org/content/col11448/1.10
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