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, AZ, United States, Genet Helene, University of Alaska Fairbanks, Institute of Arctic Biology, Fairbanks, AK, United States, Donald Lee Taylor, University of New Mexico, 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, Flagstaff, AZ, United States