华北地区主要灌丛群落物种组成及系统发育结构特征

柴永福,许金石,刘鸿雁,刘全儒,郑成洋,康慕谊,梁存柱,王仁卿,高贤明,张峰,福臣,刘晓,岳明

Species composition and phylogenetic structure of major shrublands in North China

CHAI Yong-Fu,XU Jin-Shi,LIU Hong-Yan,LIU Quan-Ru,ZHENG Cheng-Yang,KANG Mu-Yi,LIANG Cun-Zhu,WANG Ren-Qing,GAO Xian-Ming,ZHANG Feng,SHI Fu-Chen,LIU Xiao,YUE Ming

表1 华北地区灌丛研究中采用的环境因子

Table 1 Environmental variables used in the study of major shrublands in North China

编码 Code 环境因子 Environmental variables 缩写 Abbreviation Bio1 年平均气温 Annual mean air temperature AMT Bio2 每月最高气温与最低气温差值的平均值 Mean diurnal air temperature range MDTR Bio3 等温性 Isothermality ISO Bio4 季节性气温变异 Air temperature seasonality TS Bio5 最热月的最高气温 Max temperature of the warmest month MTWM Bio6 最冷月的最低气温 Min temperature of the coldest month MTCM Bio7 气温的年较差 Temperature annual range TAR Bio8 最湿季度的平均气温 Mean temperature of the wettest quarter MTWEQ Bio9 最干季度的平均气温 Mean temperature of the driest quarter MTDQ Bio10 最热季度的平均气温 Mean temperature of the warmest quarter MTWAQ Bio11 最冷季度的平均气温 Mean temperature of the coldest quarter MTCQ Bio12 年降水量 Annual precipitation AP Bio13 最湿月的降水量 Precipitation of the wettest month PWM Bio14 最干月的降水量 Precipitation of the driest month PDM Bio15 降水季节性变化 Precipitation seasonality PS Bio16 最湿季度的降水量 Precipitation of the wettest quarter PWEQ Bio17 最干季度的降水量 Precipitation of the driest quarter PDQ Bio18 最热季度的降水量 Precipitation of the warmest quarter PWAQ Bio19 最冷季度的降水量 Precipitation of the coldest quarter PCQ Alt 海拔 Altitude Alt