Evaluation on Ecological Security of Land Resources

Ecological security is the basis of sustainable development.Ecological security assessment of land resources is a forefront research topic of sustainable utilization of land resources. A index system of twenty indicators on ecological security of land resources,including natural, economic and social aspects, is established. Using AHP method to determine the index weights and mathematical models to calculate ecological security values of land resources, Ecological security values of land resources are devided into five grades.