东部小城镇土地生态安全评价方法及应用——以山东省大汶口镇为例

Land Ecological Security Evaluation of Small Town in the East of China

本文在对土地生态安全的概念等理论进行研究的基础上,从经济社会安全、城镇环境安全、辖区农村环境安全和城乡资源利用4个系统层指标着手,把土地安全评价与生态环境安全评价相结合,细化研究层次,通过对评价指标的科学性与完备性等检验,最终选择了24项元指标,构建了适合小城镇特征的土地生态安全评价指标体系,提出功效-安全度函数模型的评价方法,并以泰安市大汶口镇为例,进行土地生态安全状况综合评价。结果表明,大汶口镇土地生态安全状况处于较安全状态,但也存在较多的不安全因素。

Based on having good understanding of the concept and theory of land ecological security, this paper mainly established the indicator system of land ecological security evaluation of small town in the east of China, which including 24 indicators and in view of economical and social safety, urban environmental security, rural environmental security and utilization of resources in urban and rural area. And this paper put forwards an assessment method which called efficacy function-security degree model,the land of Dawebkou Town is systematically evaluated based on this model. The result shows that it is relative secure of the land at Dawenkou Town, and also there are some unsafe factors in the land use.