1. College of Biology and the Environment, Nanjing Forestry Univ. Nanjing China
2. State Key Laboratory of Tibetan Plateau Earth System, Resources and Environment (TPESRE), Inst. of Tibetan Plateau Research, Chinese Academy of Sciences Beijing China
3. Inst. Pirenaico de Ecología (IPE‐CSIC) Zaragoza Spain
4. School of Natural Resources and the Environment, Univ. of Arizona Tucson AZ USA
5. Laboratory of Tree‐Ring Research, Univ. of Arizona Tucson AZ USA
6. CSIC, Global Ecology Unit CREAF‐CSIC‐UAB Catalonia Spain
7. CREAF, Cerdanyola del Vallès Catalonia Spain