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- Earth Notes - Wildlife and Roads
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For many wild animals, crossing busy roads is a risky challenge that often ends badly. That?s why a growing number of biologists and transportation planners are working to help elk, pronghorn, cougars, bighorn sheep, and other animals safely navigate our increasingly paved world.
Roads, along with canals, fences, railroads, and buildings, can block the free movement that all species need for healthy gene flow from one group to another. Removing such barriers, or at least providing crossings, can help animals mingle ? and prevent dangerous vehicle-animal collisions.
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Piece Description
For many wild animals, crossing busy roads is a risky challenge that often ends badly. That?s why a growing number of biologists and transportation planners are working to help elk, pronghorn, cougars, bighorn sheep, and other animals safely navigate our increasingly paved world. Roads, along with canals, fences, railroads, and buildings, can block the free movement that all species need for healthy gene flow from one group to another. Removing such barriers, or at least providing crossings, can help animals mingle ? and prevent dangerous vehicle-animal collisions.
Transcript
For many wild animals, crossing busy roads is a risky challenge that often ends badly. That?s why a growing number of biologists and transportation planners are working to help elk, pronghorn, cougars, bighorn sheep, and other animals safely navigate our increasingly paved world.
Roads, along with canals, fences, railroads, and buildings, can block the free movement that all species need for healthy gene flow from one group to another. Removing such barriers, or at least providing crossings, can help animals mingle ? and prevent dangerous vehicle-animal collisions.
Paul Beier [BUY-ER] is a conservation biologist at Northern Arizona University. He says that the key to success in helping wildlife cross roads is early planning, when a new road is proposed or an existing one is expanded. The Arizona Department of Transportation, for instance, has retrofitted Highway 260 between P...
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