%A WANG Geng, WU Wei %T Spatial distribution of ecological security status assessment of West-Liaohe River based on geographic information system %0 Journal Article %D 2007 %J Front. Environ. Sci. Eng. %J Frontiers of Environmental Science & Engineering %@ 2095-2201 %R 10.1007/s11783-007-0075-4 %P 471-476 %V 1 %N 4 %U {https://journal.hep.com.cn/fese/EN/10.1007/s11783-007-0075-4 %8 2007-12-05 %X Eco-security assessment is a hot research area in resource and environmental science, which involves data with much spatial, non-linear, and random features. Geographic information system (GIS), as a useful tool to analyze and mana