格网尺度对景观格局分析的影响研究——以河南封丘为例  

Effects of Grid Scale on Landscape Pattern Analysis

作　　者：汤庆新[1] 张保华[1] 张金萍[1] 刘子政[2] 周长辉[1] 刘子亭[1] 杨菁媛[1] 

机构地区：[1]聊城大学环境与规划学院,山东聊城252059 [2]山东科技职业学院,山东潍坊261053

出　　处：《安徽农业科学》2009年第8期3679-3679,3683,共2页Journal of Anhui Agricultural Sciences

基　　金：山东省社科规划项目(06CJZ002);山东省软科学项目(2007RKA068);山东省自然科学基金[2006ZX10(6LB508)];山东省优秀中青年科学家科研奖励基金(2007BS08026)

摘　　要：将GIS和景观生态学的数量分析方法相结合，通过设置不同的格网尺度，运用FRAGSTATS软件来获取相应的指数值，比较分析了3种不同格网尺度上的景观指数。结果表明，封丘县破碎缀块尺度大多在60-90m；随着格网尺度的不断增大，缀块的形状越来越规则；当格网过大时，占有较大比重的类型会合并相邻的其他类型的小缀块，造成数据分析结果的不准确性。With the software of FRAGSTATS, the landscape index value was obtained with the integrated technology of ecological quantity an- alytical method based on GIS by setting different grid scale, and a comparative analysis of three different grid scales of the landscape index was carried out. The results showed that the scale of most broken patches was between 60m - 90m in Fengqiu County ; the shape of patches was more regular with the growing scale of grid ; when the scale of the grid was too large, the type which was larger in proportion than others might merge the little patches of other types, which may lead to false data analysis.

关 键 词：格网尺度 景观格局 封丘县 

分 类 号：F301.24[经济管理—产业经济]