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Byline: Hennie Lotter (Lotter is professor of philosophy at the University of Johannesburg.)
A hundred years ago, the only signs of elephants at Kruger National Park in northeastern South Africa, which had just opened, were a few tracks in a dry riverbed. Game hunters of the 19th century had hunted the creatures almost to extinction. Conservation efforts were so successful that by 1967 the authorities decided they had to start culling elephants--shooting them from helicopters and hauling their carcasses away in trucks--to keep their populations between 6, 000 and 8, 000, considered to be the park's "carrying capacity." Few people questioned the policy, which was dropped in 1995. Since then, however, the elephant population has soared to 14,000. Conservationists now fear that this herd might devastate vegetation, threatening many life forms with extinction.
A new proposal to ...