AR-News: [US} Bison have nowhere left to roam
unclewolf at olypen.com
Thu Mar 11 08:05:20 EST 2004
Bison have nowhere left to roam
19:00 10 March 04
Exclusive from New Scientist Print Edition.
The migration of America's great mammals is being cut off by encroaching human habitation and energy plants and pipelines.
The problem has prompted a US wildlife biologist to recommend the establishment of "national migration corridors" to protect the routes these animals have used for at least the last 5800 years.
Virtually every large, migrating North American animal outside of Alaska lives in the Yellowstone National Park ecosystem. However, many of their migration routes are now being truncated.
Joel Berger, senior scientist with the Wildlife Conservation Society, says that 100 per cent of bison routes, 78 per cent of pronghorn antelope routes and 58 per cent of elk migration routes have been lost. However, migration of moose and mule deer is undisturbed.
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