GIS-based gully erosion susceptibility modeling, adapting bivariate statistical method and AHP approach in Gombe town and environs Northeast Nigeria

Geoenvironmental Disasters

Table 7 Showing FR values for landuse classes

	factor classes	No. of points	% of points	class area	% of class area	Frequency ratio	Relative frequency
Landuse	Urban area	29,393	27.43	66,507	11.47	2.39	0.48
	BARESURFACE	7585.291	7.07	110,674	19.08	0.37	0.07
	SHRUBS & GRASSES	51,200.72	47.78	324,531	55.97	0.85	0.17
	FARMLANDS	18,963.23	17.69	78,107	13.47	1.31	0.26
	Sum	107,142.2	100	579,819	100	4.93	1