Scale issues in ecology: concepts of scale and scale analysis Landscape heterogeneity of mountainous and hilly area in the western Henan Province based on moving window method Comparison on spatial scale analysis methods in landscape ecology Recognition of landscape characteristic scale based on two-dimension wavelet analysis. The characteristic scales of the urban landscape in the Nanjing metropolitan region Regional characteristic scale of NDVI based on wavelet analysis Spatial scale effect of land use landscape pattern in Yongdeng County, Gansu Province, China.