茶园土壤重金属乡镇尺度下空间异质性分析——以江浙优质名茶种植园为例

董立宽, 方斌

Analysis of spatial heterogeneity of soil heavy metals in tea plantation: Case study of high quality tea garden in Jiangsu and Zhejiang

Likuan DONG, Bin FANG

表5 茶园重金属半方差函数拟合结果

Tab. 5 Fitting results of semi-variance function of heavy metals in tea garden

研究区Area 元素Element 块金值 C0 基台值C0+C 块金系数 C0/(C0+C) 变程（km） Range 决定系数 R2 残差 RSS 理论模型 Model 东山镇 Cu 0.020 0.100 0.196 1.980 0.620 1.933E-03 Spherical Zn 0.026 0.128 0.202 2.782 0.840 1.493E-03 Spherical Cd 0.019 0.329 0.058 1.160 0.673 2.200E-02 Gaussian As 0.156 0.328 0.476 5.400 0.800 2.340E-02 Linear Se 0.037 0.193 0.192 1.850 0.552 5.577E-03 Spherical 溪龙乡 Cu 0.107 0.969 0.110 0.492 0.592 1.690E-01 Spherical Zn 0.025 0.126 0.198 0.949 0.815 2.203E-03 Spherical Cd 0.300 0.337 0.890 3.200 0.596 2.150E-02 Linear As 0.009 0.183 0.049 0.729 0.694 5.289E-03 Gaussian Se 0.261 0.455 0.574 3.100 0.633 1.570E-02 Linear