区域生态安全综合评价与制图——以重庆市忠县为例  

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

作　　者：左伟[1] 周慧珍[2] 王桥[3] 李硕[3] 张桂兰[1] 

机构地区：[1]中国地图出版社,北京100054 [2]中国科学院南京土壤研究所,南京210008 [3]南京师范大学地理科学学院,南京210097

出　　处：《土壤学报》2004年第2期203-209,T003,共8页Acta Pedologica Sinica

基　　金：国家环境保护总局重大科技项目"中国西部地区生态环境遥感调查"( 2 0 0 0 )资助

摘　　要：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 。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.

关 键 词：区域生态安全 综合评价 模型技术 遥感技术 地理信息系统 制图 生态环境 忠县 

分 类 号：X171.1[环境科学与工程—环境科学]