福建省生态环境空间格局图谱分析

本文基于地学信息图谱的理论,采用地学信息系统和遥感技术,编制了福建省生态环境综合评价等级图,并在定义区域生态环境质量指数基础上,编制出基于多种空间要素为背景的生态环境质量指数空间格局图,以构成福建省生态环境空间格局图谱。最后分析了福建省生态环境空间分布格局的形成、变化规律。

The Research of the Eco-envionmental Spatial Distribution Pattern Tupu in Fujian Province

Based on the theories of Geo-information Tupu and supported by the technologies of Geographical Information System and Remote Sensing, this paper, taking the Fujian province as a case, first selects hydro thermal conditions, land cover, topography etc. as the indexes, and calculates their weights using the Analytical Hierachical Process method, so as to workout the synthetic eco-environmental evaluation grade map of Fujian province. It then defines the regional eco-environmental quality index, selects the main geographical spatial elements such as coastal strip, main rivers, main cities, and the main railways etc. to build the buffering zones. Finally it overlays the buffering zone on the synthetic eco-environmental evaluation grade map to result a series of spatial distribution pattern maps of eco-environmental quality index, and applies these maps to constitute the eco-envionmental spatial distribution pattern Tupu of the Fujian province. According to the analysis of the Tupu, this paper draws the following conclusions: most of the economically flourishing regions possess of preferable eco-environments, and few of economically flourishing regions with the worse eco-environment locating in the middle coastal strip, where the vegetation cover rate is low due to human's irrational developments and utilization of land resources. In a word, with the theories of geo-information Tupu, the paper expounds the eco-environmental spatial distribution laws clearly and effectively, and this attempt explores and develops the investigative ideas and methods on eco-environment.