华北区域环境梯度上阔叶林构建模式及分布成因
许金石,柴永福,刘晓,岳明,郭垚鑫,康慕谊,刘全儒,郑成洋,吉成均,闫明,张峰,高贤明,王仁卿,石福臣,张钦弟,王茂

Community assembly, diversity patterns and distributions of broad-leaved forests in North China
XU Jin-Shi,CHAI Yong-Fu,LIU Xiao,YUE Ming,GUO Yao-Xin,KANG Mu-Yi,LIU Quan-Ru,ZHENG Cheng-Yang,JI Cheng-Jun,YAN Ming,ZHANG Feng,GAO Xian-Ming,WANG Ren-Qing,SHI Fu-Chen,ZHANG Qin-Di,WANG Mao
表2 华北地区阔叶林环境因子对样方平均谱系距离(MPD)的方差分解结果
Table 2 Result of variance decomposition of environment factors to mean phylogenetic distance (MPD) of broad-leaved forests in North China
环境因子 Factor 解释程度 Explanation (%)
坡度 Slope 3.200 3
坡向 Aspect 15.643 7
年平均气温 MAT 48.043 8
月平均气温极差 MMTD 16.433 6
年降水量 MAP 15.065 3
降水季节变化量 SVP 1.613 2