Table 3. Score table by each category for site topographical factors.

Constant	Variables	Category	Score		Variables	Category	Score
13.4421	①Parent rock	I	1.0537		③Soil texture	LS	−5.5146
		M	1.6759			L	0.0000
		S	0.0000		④Topography	Bz	−1.5532
	②Climate zone	Wt	−0.3657			Fm	−0.5959
		St	−0.2624			Hs	0.7185
		Ct	1.1964			Ht	0.0000
		Nt	0.0000		⑤Altitude	A1	−3.5892
	③Soil texture	SiCL	0.6803			A2	−1.5932
		SiL	1.2485			A3	−0.9850
		SL	−1.0830			A4	−0.5493
		SCL	−1.5770			A5	−0.1839
		CL	5.8589			A6	0.0000

Note: ①Parent rock; I(igneous rock eruptive), M(metamorphic rock), S(sedimentary rock), ②Climate zone; Wt(Warm temperate zone), St(Southern temperate zone), Ct(Central temperate zone), Nt(Northern temperate zone), ③Soil texture; SiCL(silty clay loam), SiL(silt loam), SL(sandy loam), SCL(sandy clay loam), CL(clay loam), LS(loamy sand ), L(loam), ④Topography; Bz(basal zone), Fm(foot of mountain), Hs(hillside), Ht(hill top), ⑤Altitude; A1(<100m), A2(101m∼200m), A3(201m∼300m), A4(301m∼400m), A5(401m∼500m), A6(500m<).