东营市绿化生态安全评价研究

绿化是城市生态系统的基础成分,也是城市生命力和健康水平的直接体现,对绿化生态安全的评价,能够客观的反应出城市生态系统生命组织的健康状况,可为城市绿化的规划建设提供依据。本研究应用特尔菲专家评价法,遵循了科学准确、系统规范、可操作性和针对性强的原则,从绿化及植被指标、对有害生物抗性指标、立地土壤指标、环境条件指标、生态效益指标五个大的方面的建立了东营市绿化生态安全评价指标体系,对东营市绿化生态安全现状进行了综合评判与分析。结果表明：东营市绿化生态安全等级处于Ⅳ级。

Evaluation of virescence ecological safety in Dongying

Virescence is the basic component of urban ecosystem as well as the direct reflection of the vitality and health of a city. The evaluation of virescence ecological safety can objectively reflect the health condition of the life organization of an urban ecological system and provide the basis for the planning and construction of the urban landscaping. By using the evaluation method of Delphi expert and following the principle that is scientific and accurate, systemic and standard, operational and tar- geted, the study establishes the evaluating indicator system of virescence ecological safety in Dongying from five aspects of the index of virescence and vegetation, the index of harmful biological resistance, the index of soil, the index of environmental conditions and the index of ecological benefit. It also makes comprehensive evaluation and analysis of present situation of virescence ecological safety in Dongying. The results show that the virescence ecological safety of Dongying is level IV.