摘要
通过对黄龙县土地利用现状图的矢量化，再转化为栅格Grid图，利用景观格局分析软件Fragstats（栅格版），分别以25m和100m为步长在25—500m和100～2000m的粒度上对景观格局指数进行计算，分析景观指数的粒度效应，对比2个不同范围粒度域上景观指数呈现的异样性，并尝试性地提出理论景观格局指数。结果表明，9种景观指数有4种不同的变化规律，2个不同步长不同粒度域的景观指数有2类变化规律，且理论景观指数的提出对一些指数可以很好地解决同一个地方用不同分辨率所计算出的不同的景观格局指数，把结果统一到同一个标准上来。
By the land-use vectorization map of Huanglong County,and then converted to raster Grid map and use the landscape pattern analysis software Fragstats （Grid Edition） , the paper calculate respectively the 25m and 100m for step length in the 25 -500 m and 100 -2,000m particle size on landscape pattern indices to analyze the effect of grain change of landscape indices, compared to two different domains on the grain change range of the different character of the landscape indices, the paper try to put forward the theory landscape pattern indices. The results showed that nine kinds of landscape indices has 4 different regulations. The landscape indices with two different step length and different domain has two types of regulations. And the theory landscape indices raised a number of indicators can be a good solution to the same place with different resolutions worked out a different landscape pattern indices, unity the results to the same standards.
出处
《地域研究与开发》
CSSCI
北大核心
2011年第1期126-129,共4页
Areal Research and Development
基金
陕西省"13115"科技创新工程重大科技专项项目(2008ZDKG-75)
西北大学研究生创新基金项目(08YZZ27)
关键词
土地利用
景观格局
粒度效应
黄龙县
land use
landscape pattern
effects of grain change
Huanglong County
