1. Earth and Environmental Sciences Division Los Alamos National Laboratory Los Alamos NM 87545 USA
2. Climate and Global Dynamics Division National Center for Atmospheric Research Boulder CO 80305 USA
3. University of Bordeaux Bordeaux Sciences Agro, UMR INRA‐TCEM 1220 33140 Villenave d'Ornon France
4. Nicholas School of the Environment Duke University Box 90328 Durham NC 27708 USA
5. Department of Forest Sciences University of Helsinki PO Box 24 00014 Helsinki Finland
6. Department of Geography State University of New York at Buffalo 105 Wilkeson Quadrangle Buffalo NY 14261 USA
7. Department of Biology University of Utah 257 South 1400 East Salt Lake City UT 84112 USA
8. Department of Biology MSC03 2020, 1 University of New Mexico Albuquerque NM 87131‐0001 USA
9. School of Geography and Development and Laboratory of Tree‐Ring Research University of Arizona 1215 Lowell Street Tucson AZ 85721‐0058 USA
10. CREAF Cerdanyola del Vallès 08193 Spain
11. Univ Autònoma Barcelona Cerdanyola del Vallès 08193 Spain
12. ICREA at CREAF Cerdanyola del Vallès 08193 Spain
13. School of GeoSciences University of Edinburgh Crew Building West Mains Road Edinburgh EH9 3JN UK
14. INRA, UR1263 EPHYSE F‐33140 Villenave d'Ornon France
15. Bioforsk – Norwegian Institute for Agricultural and Environmental Research Ås Norway
16. Natural Resource Ecology Laboratory Colorado State University Fort Collins CO 80523‐1499 USA
17. USDA Forest Service Rocky Mountain Research Station Fort Collins CO 80526 USA
18. College of Forestry Oregon State University Corvallis OR 97331‐5704 USA
19. Departamento de Ciencias del Agua y del Medio Ambiente Instituto Tecnológico de Sonora Ciudad Obregón Sonora 85000 Mexico