Results of a phylogenetic ordination analysis using canonical correspondence analysis for diets of 25 species in a snake community in temperate South America, using snake body size as a covariate.

Clades are ranked by the amount of variation explained at each node. Percentage of the variation explained (relative to total unconstrained variation) and F- and P-values for each variable are given (9,999 permutations were used) for each main matrix. Note that no groups used for variable selection yielded individual P≤0.05.Results of a phylogenetic ordination analysis using canonical correspondence analysis for diets of 25 species in a snake community in temperate South America, using snake body size as a covariate.支系（Clades）依据各节点所解释的变异量进行排序。各主矩阵均给出了各变量的变异解释百分比（相对于总无约束变异）、F值与P值（本次分析采用9999次置换检验）。需注意：用于变量选择的所有分组均未得到单个P值≤0.05的结果。本数据集包含南美温带地区蛇类群落中25个物种食性的系统发生排序分析结果，该分析采用典范对应分析（canonical correspondence analysis, CCA），并以蛇类体型作为协变量。