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[Several problems in ecological security assessment research].

Genxu Wang1, Guodong Cheng, Ju Qian

  • 1State Key Lab. of Fozen Soil Engineering, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, School of Resources and Environmental Sciences, Lanzhou University, Lanzhou 730000, China. gxwang@ns.lzb.ac.cn

Ying Yong Sheng Tai Xue Bao = the Journal of Applied Ecology
|January 22, 2004
PubMed
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Ecological security assessment evaluates ecosystem health and sustainability against risks. Future directions include integrated index systems and ecological models for comprehensive risk and health evaluation.

Area of Science:

  • Ecological security assessment
  • Environmental risk management

Context:

  • Ecological security assessment involves evaluating ecosystem completeness and sustainability under various risks.
  • Core components include ecological risk assessment and ecological health assessment.

Purpose:

  • To identify and judge the ecosystem's ability to maintain health amidst risks.
  • To establish integrated measure index systems combining ecological risk and health.

Summary:

  • Ecological risk assessment encompasses risk identification and vulnerability, while ecological health includes completeness, vigor, and resilience.
  • Future index systems may involve superimposing exposure analysis indices based on EDI, REI, and IRI classifications.
  • Ecological model methods for assessing different-scale ecological security are a key future development area.

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Impact:

  • Highlights the need for integrating ecological risk and health assessments.
  • Suggests advancements in index system construction and quantitative assessment methods.
  • Emphasizes the integration of ecological security assessment with prediction, guarantee, and management strategies.