香榧是我国特有的珍贵木本油料经济树种。以东阳市DEM数据、林地利用数据等空间信息为基础,利用GIS技术,建立包括地形条件、土壤条件、林地利用等多因子的林地适宜性评价体系,对东阳市适宜发展香榧产业的林地进行综合分析评价,最终得获得东阳香榧用地适宜性分级图表,用以指导当地香榧产业发展。

Torreya grandis is a valuable woody oleiferous tree species typically in China.Based on Dongyang's data of DEM,forest land use management,etc.,the study in this paper utilizes GIS technology to establish a multiple-factor evaluation system for land suitability(factors including topographic condition,edaphic condition and forest land use),for a comprehensive analysis and evaluation of the forest land suitable for torreya grandis.Finally,a grading chart of suitability is attained,which can be used to guide the development of torreya grandis industry in Dongyang.