Drought-induced Ponderosa pine seedling mortality controls the extent of the lower tree line in the U.S. Northern Rocky Mountains


Marco P Maneta1, Caelan Simeone2, Zachary A Holden3, Anna Sala4, Gerard Sapes3 and Solomon Dobrowski3, (1)Associate Professor, University of Montana, Geosciences, Missoula, MT, United States, (2)U.S. Geological Survey, Oregon Water Science Center, Portland, United States, (3)University of Montana, Missoula, MT, United States, (4)The University of Montana, Missoula, MT, United States