Rising temperatures will lead to loss of trout habitat in the southern Ap...( tat would be lost over the next century...)

Rising temperatures will lead to loss of trout habitat in the southern Appalachians

tat would be lost over the next century. Under the more extreme model from the Canadian Centre, 97 percent would be lost."

Trout habitat in the Southern Appalachians is already fragmented due to land use change, road building, channelization, and other disturbances. Under both temperature change scenarios, this fragmentation would increase. "As the remaining habitat for trout becomes more fragmented, only small refuges in headwater streams at the highest levels will remain," says Flebbe. "Small populations in isolated patches can be easily lost, and in a warmer climate, could simply die out."

"Although all three of these trout species will probably remain viable in other parts of their range, the world could lose the brook trout strain unique to the region," she adds. "And, as a result, trout fishing in the Southern Appalachians may become a heavily managed experience."

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Contact: Patricia Flebbe
pflebbe@fs.fed.us
540-231-7202
Southern Research Station - USDA Forest Service
4-Oct-2006

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