1. The Nature Conservancy, Washington Field Office Seattle WA98121USA
2. Arnold Arboretum of Harvard University Boston MA02130USA
3. Department of Organismic and Evolutionary Biology Harvard University Cambridge MA02138USA
4. Global Change Ecology and Evolution (GloCEE) Research Group, Department of Life Sciences University of Alcalá Alcalá de Henares MA28805Spain
5. Department of Environmental Science and Policy George Mason University Fairfax VA22030USA
6. Forest & Conservation Sciences Faculty of Forestry University of British Columbia Vancouver BCV6T 1Z4Canada