Contact: Morgan Kelly, Princeton Office of Communications
Caption: The researchers set up 36 exclosures — which are designed to keep animals out rather than in — that fell within four types: one type open to all animals; another that excluded elephants; one in which elephants and impalas were excluded; and another off limits to all animals. The researchers used cameras to capture 30,000 hours of foraging activity by elephants (bottom), impalas (top right), small-dog-sized antelopes known as dik-diks (top left), and rodents. The Sodom apple proliferated with each group of animal that was excluded.
Credit: Photos courtesy of Robert Pringle, Department of Ecology and Evolutionary Biology
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