The role of deep nitrogen and dynamic rooting profiles on vegetation dynamics and productivity in response to permafrost thaw and climate change in Arctic tundra

Rebecca E Hewitt, Northern Arizona University, Center for Ecosystem Science and Society, Flagstaff, United States, Helene Genet, University of Alaska Fairbanks, Fairbanks, AK, United States, Donald Lee Taylor, University of New Mexico Main Campus, Department of Biology, Albuquerque, NM, United States, Anthony David McGuire, U.S. Geological Survey, Fairbanks, AK, United States and Michelle C Mack, Northern Arizona University, Center for Ecosystem Science and Society, Flagstaff, AZ, United States