Tipping a SPRUCE tree over - how extreme heat and desiccation may push southern boreal species beyond their capacity

Jeff Warren1, Joanne Childs2, Eric J Ward3, Stan Wullschleger4 and Paul J Hanson2, (1)Oak Ridge National Laboratory, Environmental Sciences Division, Oak Ridge, TN, United States, (2)Oak Ridge National Laboratory, Climate Change Science Institute, Oak Ridge, TN, United States, (3)U.S. Geological Survey, Wetland and Aquatic Research Center, Lafayette, LA, United States, (4)Oak Ridge National Laboratory, Climate Change Science Institute, Environmental Science Division, Oak Ridge, TN, United States