Multi-scale spatial analysis on NDVI and topographical factors using wavelet transform MULTI-SCALE ANALYSES OF POPULATION DISTRIBUTION PATTERNS Multi-scale analysis of ecosystem service trade-offs in urbanizing drylands of China: A case study in the Hohhot-Baotou-Ordos-Yulin region Response of river water quality to background characteristics of landscapes inTaihu Lake basin Multi-scale modeling of Arabidopsis thaliana response to different CO2 conditions: From gene expression to metabolic flux