1. CREAF Cerdanyola del VallèsBarcelona08193 CataloniaSpain
2. CSIC, Global Ecology Unit CREAF‐CSIC‐UAB BellaterraBarcelona08193 CataloniaSpain
3. CIDE, CSIC‐UV‐GV València 46113 Spain
4. Faculty of Geosciences and Environmental Engineering Southwest Jiaotong University Chengdu 610031 China