Influence of Temperature Change on Spring Phenology of Ligneous Plants in Tulufan Region

Based on the historical climate data and spring phenological data in the same period from Tulufan and Shanshan station during 1980-2004,we statistically analyzed the change tendency of air temperature and spring phenology and their correlativity,the correlations of each phenology,and the influences of temperature change in different time interval on phenology.Hereby,this paper discussed the possibility impact of future climatic change on spring phenology of ligneous plants in Tulufan region.