Simulation and display methods of spatial data in landscape ecology Simulating methods of average annual rainfall on spatial changes Error Analysis and Rectification in Spatial Data of Forest Resource by Designing Survey Construction of an eco-environmental database for watershed-scale data: an example from the Tarim River Basin Evolution law of architectural landscape during the urban renewal process in Tiexi District Construction of traditional Chinese medicine resources information spatial database Ecological risk assessment of land use based on exploratory spatial data analysis (ESDA): A case study of Haitan Island, Fujian Province. Establishment and applications of the spatial database of land resources information in Anshun,Guizhou Province