协惯量分析与典范对应分析在植物群落排序中的应用比较

被引：16

作者：

张斌

张金屯

苏日古嘎

张钦弟

程佳佳

田世广

机构：

[1] 北京师范大学生命科学学院

来源：

植物生态学报 | 2009年 / 33卷 / 05期

关键词：

排序; 协惯量分析; 典范对应分析; 黄檗;

D O I：

暂无

中图分类号：

Q948 [植物生态学和植物地理学];

学科分类号：

071012 ; 0713 ;

摘要：

采用协惯量分析(PCA-CACOIA)和典范对应分析(CCA)两种排序方法,对北京小龙门林场的黄檗(Phellodendron amurense)群落进行了分析,并用Spearman秩相关系数检验了对应排序轴的相关性。两种排序方法得出的结果基本一致,两者的第一排序轴都反映了海拔高度和坡向对群落分布的影响,而各自第二、第三排序轴所代表的环境意义有所差异,并出现了交叉,但是两者的前3个排序轴均反映了海拔、坡位、土壤厚度和凋落物层厚度的变化趋势,说明在环境因子个数较少或共线性效应不明显的情况下,协惯量分析也能达到CCA的分析效果,并且在排序轴特征值解释量上高于典范对应分析。

引用

页码：842 / 851

页数：10

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