摘要
本文采用主分量分析、系统聚类分析和模糊聚类分析,对巴盟地区不同类型草场昆虫群落进行了排序或聚类,并对不同方法的排序效果进行了比较。结果表明,草场昆虫群落与草场类型及其植被条件有关。主分量分析和系统聚类分析的排序效果优于模糊聚类分析。
This Paper dealed with the cluster analysis and ordinatiom of grassland insect communities in Bamen Regiom by means of three methode i, e, principal component analysis, hierachical cluster analysis and fuzzy cluster analysis. Their ordination effects were compared and contrasted. The results indicated that the types of grassland insect communities related with grassland types and vegetation conditions, and principal component analysis and hierachical cluster analysis more effective than fuzzy cluster analysis.
基金
内蒙古科委基金
关键词
草原
昆虫群落
排序
grassland, insect community, ordination, cluster
