区域生态安全综合评价与制图——以重庆市忠县为例

在相关研究成果基础上 ,从理论、技术方法、模型和案例应用等方面对区域生态安全进行系统研究。主要工作包括 :( 1)建立区域生态安全评价理论框架 ,在理论上具有探索意义 ,在实践中可为生态安全评价提供理论依据和作为生态环境管理的方法论基础 ;( 2 )通过模型技术与遥感技术等的结合应用 ,实现多特征类型因子信息提取和实现区域生态安全从像元级微观评价数值到小流域级中观评价结果的转化 ;( 3)通过GIS技术对评价结果的等级表征进行制图实现 ,客观表达了评价结果的空间特性 ,确保了本研究成果的实用性

COMPREHENSIVE ASSESSMENT AND MAPPING OF THE REGIONAL ECOLOGICAL SAFETY--A CASE STUDY OF ZHONGXIAN COUNTY, CHONGQING CITY

On basis of achievements of related researches, this paper studies regional ecological safety systematically from the angle of theory, technology and methodology, practical application, etc. The study covers mainly: (1) set up of a theoretic framework for assessment of regional ecological safety, which is of explorative significance theoretically, and can be used in practice as a theoretic basis for assessment of ecological safety and a methodological basis for management of ecological environment; (2) with the application of model's and remote sensing technology, realization of extraction of information of multi characteristic type factors and the transformation from pixel level micro assessment value to small basin level meso assessment results in assessing regional ecological safety; (3) the assessment results' by GIS technology though mapping, expressing objectively spatial characteristics of the assessment and ensuring practicality of the research findings.