Analyzing Climate Suitability of Pinus yunnanensis Based on Kira’s Indices Spatio-temporal distribution characteristics of climatic suitability degree of maize in Western Liaoning Province from 1956 to 2010 Evaluation of climate suitability of winter wheat based on cloud model analysis— A case study of Suzhou, Anhui Province CLIMATE SUITABILITY OF AMERICAN CINSENG INTRODUCED IN NORTHERN CHINA