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The deterioration of ecological environment has aroused broad attention. This paper constructed an urban ecological security warning assessment index system. The index system was composed of vigor, organizational structure, resilience, maintenance of ecosystem service and human health. Then it established an assessment model of urban ecological security warning based on fuzzy matter-element theory...
During recent years, urban ecological deterioration and environmental pollution are getting worse. Assessment of urban ecological security has become an important area in geoscience, resource and environmental science, ecology and ecological economics. This paper constructed an assessment index system of urban ecological security. The index system was composed of ecosystem pressure, ecosystem state...
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