Abstract:andscape diversity,composed of type diversity ,pattern diversity and patch diversity , isan important biodiversity research field. It measures the complexity of landscape structure,function and changes. Landscape diversity can be measured by diversity index , dominance,relative richness and a modified fractal dimension, It can be applied in both a nonspatial(sta-tistical)or a spatial sense. Landscape diversity indicates the number of landscape classes thatare in proximity to each point in a digital grid ce...