IN CONTEXT

KEY FIGURE

Alexander von Humboldt (17691859)

BEFORE

1750 Carl Linnaeus explains that the distribution of plants is determined by climate.

AFTER

1831–36 Charles Darwin makes various observations on the voyage of HMS Beagle, confirming that many animals living in one area are not found in similar habitats elsewhere.

1874 British zoologist Philip Sclater produces a description of the zoogeography (the geographical distribution of animals) of the world’s birds.

1876 Alfred Russel Wallace publishes his two-volume book The Geographical Distribution of Animals, which becomes the definitive biogeography text for the next 80 years.

The ...

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