南岭哺乳类和鸟类物种丰富度空间分布格局及其影响因子

王丽媛, 胡慧建, 姜杰, 胡一鸣

Species richness patterns of mammals and birds and their drivers in the Nanling Mountain Range

Liyuan Wang, Huijian Hu, Jie Jiang, Yiming Hu

表2 基于空间误差模型的哺乳类和鸟类物种丰富度空间分布格局影响因子的结果

Table 2 The results of factors influencing the spatial distribution pattern of mammal and bird species richness based on spatial error model

类群 Group 变量 Variables 空间误差模型 Spatial error model 标准估计值 Standard estimate (β) 标准误差 Standard error z检验概率值 Pr(>|z|) 哺乳类 Mammal 年均温 Average annual temperature -0.096 0.009 < 0.01 气温年较差 Annual range of temperature 0.138 0.009 < 0.01 年均降水量 Average annual precipitation -0.039 0.010 < 0.01 归一化植被指数 Normalized difference vegetation index -0.021 0.003 < 0.01 人类足迹指数 Human footprint index 0.000 0.003 0.92 生境异质性 Habitat heterogeneity -0.045 0.004 < 0.01 海拔 Elevation -0.013 0.006 0.03 鸟类 Bird 年均温 Average annual temperature 0.398 0.008 < 0.01 气温年较差 Annual range of temperature -0.454 0.009 < 0.01 年均降水量 Average annual precipitation 0.235 0.009 < 0.01 归一化植被指数 Normalized difference vegetation index -0.001 0.003 0.68 人类足迹指数 Human footprint index 0.006 0.003 0.03 生境异质性 Habitat heterogeneity 0.014 0.004 < 0.01 海拔 Elevation 0.037 0.006 < 0.01