Contact: Natasha Pinol
American Association for the Advancement of Science
Caption: The supplemental map shows the plant regions color-coded by the contributions they make to the total numbers of plant endemics -- those found nowhere else. The scale is cumulative. For example, Colombia in South America, combined with areas that are warmer colored -- Ecuador, Panama, and Costa Rica -- has more than seven endemic plant species per 1,000 square kilometers in a sample of 100,000 plant species.
Credit: [Image courtesy of L. Joppa, P. Visconti, C.N. Jenkins, S.L. Pimm]
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