Islands

Islands

Second Voyage of the H.M.S. Beagle• Introduced to ad for a naturalist by Henslow• Robert Fitzroy (1805-1865)• 27 December 1831-2 October 1836

Naturalists inspired to explore (a short list)• Henry Walter Bates

(1825-1892)

• Alfred Russel Wallace (1823-1913)

• Joseph Dalton Hooker (1817-1911)

• Thomas Henry Huxley (1825-1895)

Wallace in Amazonia• 1848 left England with Bates• Collected near Belem and then they separated• Wallace spent 4 years on the Rio Negro & returned in 1852

Wallace in Moluccas• 1854 to Moluccas (the Spice Islands)• Cataloged >126,000 specimens• Noted differences in island taxa• Returned in 1862

Wallace and BiogeographyThe Geographical Distribution of Animals (1876)

Island Biogeography by Wilson and MacArthur

Theory that explores the relationship between evolution and extinction relative to area

Robert Helmut MacArthur (1930-1972), USA

Edward Osborne Wilson (1929), USA

Major Implications for Landscape Ecology and Wildlife Management