Bill Morris and Alex Rose measure plants in an alpine cirque above Kennecott, Alaska (Photo: Daniel Doak).

Bill Morris and Alex Rose measure plants in an alpine cirque

Bill Morris and Alex Rose measure plants in an alpine cirque above Kennecott, Alaska (Photo: Daniel Doak).

Photo courtesy of: 
Daniel Doak
From: 
ARC, NWT study: Climate change may create tipping points for populations, not just species