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natural resources

Protecting Bighorn Sheep with Repeatable GIS Analysis

Bighorn sheep are timeless symbols of the Wild West, but their numbers have plummeted to just 8% of their peak population. Surprisingly, a significant cause of this decline is disease transmitted from domestic sheep. To mitigate disease spread, US federal land management agencies and state wildlife managers have discouraged shared use of ranges by bighorn and domestic sheep. In 2012, The US...