Quantitative Attribution Analysis of the Spatial Differentiation of Gully Erosion in the Black Soil Region of Northeast China

Table 6

The dominant interactions between two covariates in gully density.

Interaction	Two-factor value	The sum of the values of two factors	Result	Explanation
	0.217			Nonlinear enhanced
	0.214			Nonlinear enhanced
	0.131			Nonlinear enhanced
	0.154			Nonlinear enhanced
	0.145			Nonlinear enhanced
	0.172			Nonlinear enhanced
	0.136			Nonlinear enhanced
	0.154			Nonlinear enhanced
	0.172			Nonlinear enhanced
	0.188			Nonlinear enhanced
	0.134			Nonlinear enhanced
	0.136			Nonlinear enhanced
	0.224			Nonlinear enhanced
	0.150			Nonlinear enhanced
	0.287			Nonlinear enhanced
	0.229			Nonlinear enhanced
	0.211			Nonlinear enhanced