黄土高原腹地人工林下草本层群落构建机制

施晶晶,赵鸣飞,王宇航,薛峰,康慕谊,江源

Community assembly of herbaceous layer of the planted forests in the central Loess Plateau, China

SHI Jing-Jing,ZHAO Ming-Fei,WANG Yu-Hang,XUE Feng,KANG Mu-Yi,JIANG Yuan

表1 黄土高原腹地人工林下草本群落物种组成变差分解结果(%)

Table 1 Results of variation partitioning of understory species composition of the planted forests in the central Loess Plateau (%)

分解部分 Partitioned parts 分解结果 Value of each part 纯环境因子解释部分 Pure interpretation of environmental variables 9.8 纯空间因子解释部分 Pure interpretation of geographic variables 14.1 联合解释部分 Joint interpretation 23.9 未解释部分 Unexplained part 52.2