Introduced Species - Invasive Exotic Diseases

Invasive Exotic Diseases

History is rife with the spread of exotic diseases, such as the introduction of smallpox into the indigenous peoples of the Americas by the Spanish, where it obliterated entire populations of indigenous civilizations before they were ever even seen by Europeans.

Problematic exotic disease introductions in the past century or so include the chestnut blight which has almost eliminated the American Chestnut tree from its forest habitat, and Dutch elm disease, which has severely reduced the American Elm trees in forests and cities.

Read more about this topic:  Introduced Species

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