秦岭南坡陕西洋县辖区哺乳动物物种多样性的空间分布格局

颜文博,吉晟男,帅凌鹰,赵雷刚,朱大鹏,曾治高

Spatial distribution patterns of mammal diversity in Yangxian County of Shaanxi Province on the southern slope of the Qinling Mountains

Yan Wenbo,Ji Shengnan,Shuai Lingying,Zhao Leigang,Zhu Dapeng,Zeng Zhigao

表2 秦岭南坡洋县辖区哺乳动物物种多样性与环境因子最优线性模型

Table 2 Determinants of species diversity for mammals from best-fit explanatory models in Yangxian County on the southern slope of the Qinling Mountains

多样性 Diversity 环境因子 Environment variables 因子系数 Coefficient t P 哺乳动物总体 Overall 丰富度 Richness Tmean 5.71 1.63 0.12 T2mean -0.32 -2.14 < 0.05 Vegn 8.96 2.09 0.05 Vegn2 -0.99 -1.71 0.11 EVI -2.38e+03 -2.17 < 0.05 EVI2 3.62e+03 2.25 < 0.05 多样性指数 Diversity index Tmean 1.02 2.55 < 0.05 T2mean -4.73e-02 -2.21 < 0.05 AP -0.16 -2.31 < 0.05 AP2 9.05e-05 2.34 < 0.05 Vegn2 2.59e-02 2.28 < 0.05 啮齿类动物 Rodents 丰富度 Richness Tmean 7.11 3.12 < 0.01 T2mean -0.33 -3.10 < 0.01 AP2 2.60e-05 2.36 < 0.05 Vegn 1.04 2.73 < 0.05 EVI -1.45e+03 -2.68 < 0.05 EVI2 2.10e+03 2.70 < 0.05 多样性指数 Diversity index Tmean 1.43 2.13 < 0.05 T2mean -6.41e-02 -2.06 0.06 AP2 3.79e-06 1.19 0.25 Vegn2 1.85e-02 1.24 0.24 EVI -2.62e+02 -1.66 0.12 EVI2 3.66e+02 1.61 0.13 非啮齿类动物 Non-rodent mammals 丰富度 Richness T2mean -0.09 -5.81 < 0.01 Vegn 5.97 1.92 0.07 Vegn2 -0.74 -1.79 0.09 EVI2 1.84e+02 3.22 < 0.01 多样性指数 Diversity index Tmean 0.94 2.35 < 0.05 T2mean -0.04 -2.47 < 0.05 Vegn2 0.04 3.19 < 0.01 EVI2 -16.74 -1.49 0.16