An earlier start of the thermal growing season enhances tree growth in cold humid areas but not in dry areas - Gao, Shan (Chinese Academy of Sciences. Institute of Tibetan Plateau Research) ; Babst, Flurin (University of Arizona. School of Natural Resources and the Environment) ; Camarero, Jesús Julio (Instituto Pirenaico de Ecología) ; Fu, Yongshuo H.. (Beijing Normal University. College of Water Sciences) ; Piao, Shilong (Chinese Academy of Sciences. Institute of Tibetan Plateau Research) ; Rossi, Sergio (Université du Québec à Chicoutimi. Département des Sciences Fondamentales) ; Shen, Miaogen (Beijing Normal University. Faculty of Geographical Science) ; Wang, Tao (Chinese Academy of Sciences. Institute of Tibetan Plateau Research) ; Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Liu, Ruishun (Chinese Academy of Sciences. Institute of Tibetan Plateau Research)