a. 9 m2 grain
Variable Estimate p-value
Intercept 4.691 <0.001
Distance to nearest drainage -0.001 0.002
Elevation -0.004 <0.001
Hillshade -0.007 0.017
Northness 0.350 <0.001
Slope 0.017 0.014
b. 1 m2 grain b. 1 m2 grain b. 1 m2 grain
Variable Estimate p-value
Intercept 2.980 <0.001
Distance to nearest drainage -0.001 0.035
Elevation -0.004 <0.001
Hillshade -0.006 0.009
Northness 0.028 0.801
Slope 0.018 <0.001
Topographical wetness index 0.074 0.003
Elevation*Northness 0.001 0.039
c. Difference in species richness between grains (native Δ9-1) c. Difference in species richness between grains (native Δ9-1) c. Difference in species richness between grains (native Δ9-1)
Variable Estimate p-value
Intercept 1.108 <0.001
Distance to nearest drainage -0.001 0.061
Northness 0.123 0.045
Topographical wetness index -0.035 0.121