Spatial distribution of tree species richness in Xiaodonggou forest region of the Altai Mountains, Northwest China STUDIES ON EPIDEMIOLOGY AND PREDICTION OF SOYBEAN MOSAIC VIRUS Study on fire behavior in grassland PREDICTING SPECIES′ POTENTIAL DISTRIBUTION—SVM COMPARED WITH GARP Prediction of suitable regions and risk subdivisions of spiralling whitefly, Aleurodicus dispersus Russell, in China