摘要
运用德尔菲法对预选评价指标集进行筛选,建立评价指标体系并确定各评价因子的权重值;根据各因子在空间上的分布规律与赋予的权重,确立土地生态适宜性分级标准;通过GIS方法对土地利用适宜图和土地利用现状图进行叠置分析,得出各土地利用的适宜程度,可全面了解掌握常德市土地利用现状潜力,探讨土地利用模式,为土地利用规划提供科学依据。
The index of evaluating is selected and the weight value is determined by using Delphi method. According to the spatial distribution of the factors and their weight values, the grade standard of adaptability about land ecosystem is established in Changde City. the land use desirability is obtained from the suitability land use map and the present land use map by using spatial overlap analysis within gis. Through the evaluation the status of land use is comprehensively understood and scientific basis for land use plan is provided in Changde City.
出处
《国土与自然资源研究》
北大核心
2009年第4期42-44,共3页
Territory & Natural Resources Study
基金
湖南省自然科学基金项目(09JJ6039)
湖南省社会科学基金(08JD19)
湖南文理学院重点项目(JJZD0910)
