华北地区荆条灌丛分布及物种多样性空间分异 规律

唐丽丽,杨彤,刘鸿雁,康慕谊,王仁卿,张峰,高贤明,岳明,张梅,郑璞帆,石福臣

Distribution and species diversity patterns of Vitex negundo var. heterophylla shrublands in North China

TANG Li-Li,YANG Tong,LIU Hong-Yan,KANG Mu-Yi,WANG Ren-Qing,ZHANG Feng,GAO Xian-Ming,YUE Ming,ZHANG Mei,ZHENG Pu-Fan,SHI Fu-Chen

表3 华北不同垂直带荆条灌丛物种多样性指数

Table 3 Biodiversity indices of Vitex negundo var. heterophylla shrublands in different elevational zones in North China

海拔 Elevation 灌木层Shrub layer 草本层Herb layer H D J H D J 高(群丛4) High (Association 4) 0.796 2.246 0.275 0.928 3.099 0.207 中(群丛3) Middle (Association 3) 0.832 2.041 0.347 0.892 2.617 0.268 低(群丛2) Low (Association 2) 0.847 2.434 0.274 0.834 2.353 0.217