Changes of the Phenological Phase of Populus tomentosa and its Response to Climate Change
QI Ru-ying~(1),YAN Jin-rui~(2),WANG Qi-lan~(3)(1.Qinghai Province Climate Center,Xining 810001,China;2.Qinghai Province Climate Science Institute;3.The Northwest Plateau Institute of Biology,CAS)
Chinese Journal of Agrometeorology . 2006, (01): 41 -45 .