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Biogeography Prof. J. Hicke 1

Lomolino et al., 2006

Historical Human-Caused Extinctions

•  Why the earlier extinctions on islands? •  Why the decline in extinctions in more recent years?

Biogeography Prof. J. Hicke 2

Chapin et al., 2000; Pimm et al., 1995

Species Threatened with Extinction

Biogeography Prof. J. Hicke 3 Bill Marsh, NY Times, 2012

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Biogeography Prof. J. Hicke 4 Bill Marsh, NY Times, 2012

Biogeography Prof. J. Hicke 5

Lomolino et al., 2006

Why are extinctions occurring?

Plants: Causes of endangerment

Biogeography Prof. J. Hicke 6

Lomolino et al., 2006

Why are extinctions occurring?