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2 华北不同纬度带荆条灌丛物种多样性指数

Table 2 Biodiversity indices of Vitex negundo var. heterophylla shrublands in different latitudinal zones in North China

纬度 Latitude 灌木层 Shrub layer 草本层 Herb layer H D J H D J 高(群丛1) High (Association 1) 0.848 3.159 0.194 0.928 3.452 0.167 中(群丛2、3、4) Middle (Association 2, 3, 4) 0.826 2.240 0.298 0.884 2.690 0.231 低(群丛5) Low (Association 5) 0.821 3.386 0.167 0.975 4.324 0.169