From: Heavy grazing reduced the spatial heterogeneity of Artemisia frigida in desert steppe
Quantitative characteristics | Scale | Stocking rate | Model parameter | Semi-variogram | Patch parameters | |||||
---|---|---|---|---|---|---|---|---|---|---|
Model | RSS | C0 | C0 + C | C/(C0 + C)(%) | A0 | Auto-corr. Ranges(m) | D0 | |||
Density | 2.5 m × 2.5 m(a) | CK | Exponential | 6.168 × 10–3 | 0.077 | 0.587 | 86.882 | 5.575 | 16.725 | 1.847 |
 | LG | Exponential | 3.700 × 10–3 | 0.101 | 0.792 | 87.247 | 8.525 | 25.569 | 1.783 | |
 | MG | Spherical | 5.597 × 10–5 | 0.007 | 0.127 | 94.488 | 4.300 | 4.300 | 1.966 | |
 | HG | Exponential | 1.355 × 10–5 | 0.003 | 0.028 | 89.286 | 1.700 | 5.100 | 1.961 | |
5 m × 5 m(b) | CK | Gaussian | 7.012 × 10–5 | 0.176 | 1.057 | 83.349 | 11.300 | 19.572 | 1.603 | |
 | LG | Spherical | 7.504 × 10–4 | 0.057 | 1.759 | 96.760 | 41.900 | 41.900 | 1.574 | |
 | MG | Spherical | 6.638 × 10–3 | 0.047 | 0.387 | 87.855 | 12.050 | 12.050 | 1.898 | |
 | HG | Gaussian | 4.987 × 10–4 | 0.000 | 0.103 | 99.903 | 7.350 | 12.730 | 1.713 | |
Height | 2.5 m × 2.5 m(c) | CK | Exponential | 4.177 × 10–4 | 0.001 | 0.188 | 99.468 | 4.375 | 13.125 | 1.844 |
 | LG | Gaussian | 6.064 × 10–3 | 0.002 | 0.302 | 99.338 | 4.000 | 6.928 | 1.829 | |
 | MG | Spherical | 5.685 × 10–3 | 0.014 | 0.142 | 90.141 | 11.975 | 11.975 | 1.800 | |
 | HG | Gaussian | 6.324 × 10–4 | 0.001 | 0.044 | 97.727 | 3.800 | 6.582 | 1.968 | |
5 m × 5 m(d) | CK | Spherical | 1.849 × 10–5 | 0.011 | 0.094 | 88.298 | 11.300 | 11.300 | 1.892 | |
 | LG | Gaussian | 3.045 × 10–4 | 0.001 | 0.166 | 99.398 | 5.300 | 9.180 | 1.819 | |
 | MG | Gaussian | 4.267 × 10–4 | 0.001 | 0.068 | 98.529 | 6.450 | 11.171 | 1.648 | |
 | HG | Gaussian | 1.339 × 10–4 | 0.000 | 0.027 | 99.630 | 8.550 | 14.809 | 1.967 |