Kathy Kelsey, University of Colorado Denver, Geography and Environmental Science, Denver, CO, United States, Stine Højlund Pedersen, University of Alaska Anchorage, Department of Biological Sciences, Anchorage, United States, A. Joshua Leffler, South Dakota State University, Natural Resource Management, Brookings, SD, United States, Joseph O Sexton, terraPulse, Inc., Gaithersburg, MD, United States and Jeffrey M Welker, University of Alaska Anchorage, Anchorage, AK, United States; University of Oulu & UArctic, Ecology and Genetics Research Unit, Oulu, Finland