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Africa's vanishing herds http://apocadocs.com/s.pl?1228089556
As the rain begins to fall on Tanzania's Tarangire National Park, thousands of zebra, wildebeest and giraffe will begin one of the world's greatest migrations. But many of the herds trampling across the grass at the foot of the Rift Valley highlands are falling in number - and scientists do not know why.... Numbers of wildebeest have fallen from 50,000 to 6,000 in the past 20 years, and numbers of antelope species, such as hartebeest and oryx, have declined by 90 and 95 per cent respectively. Confusingly some species -- zebra, giraffe, gazelle and buffalo - have remained relatively stable. To understand such contrasting fortunes, scientists from America's Dartmouth and Utah universities are working to determine whether habitat loss, changed food sources, or hunting -- or a combination of all -- is responsible.
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[Read more stories about:
sixth extinction, ecosystem interrelationships]
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Ferris says: "D00d, that's so last century. We're in the age of dimished expectations! Get with the program!"
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'Doc Michael says:
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You mean that National Geographic special I saw in 1988 is no longer valid?!
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