Spatio-temporal distribution characteristics of climatic suitability degree of maize in Western Liaoning Province from 1956 to 2010 Analysis of inherent optical properties of Lake Taihu in spring and its influence on the change of remote sensing reflectance The characteristics of the spatial distribution of soil organic matter and factors influencing it in Ebinur Lake Basin of Xinjiang Autonomous Region, China Research on spatio-temporal change of temperature in the Northwest Arid Area