Table 4.

Resistance value criteria for different resistance types.

Resistance Types	Factors		Weight	Resistance Value
Land Use and Land Cover	Paddy filed		0.3	100
	Irrigated land			90
	Forestland			1
	Shrubland			1
	Open woodland			1
	Other forestlands			1
	High-density grassland			50
	Middle-density grassland			60
	Low-density grassland			70
	River			10
	Lake			10
	Pond			10
	Beach land			10
	Urban construction land			800
	Rural construction land			700
	Mine			1000
	Swampland			50
	Bare			50
	Rock			50
Topological Factors	Relief/m	[0, 25]	0.15	100
		(25, 50]		80
		(50, 75]		60
		(75, 100]		40
		(100, 239]		1
	Slope/°	[0, 8]	0.15	100
		(8, 15]		80
		(15, 25]		60
		(25, 35]		40
		(35, 47]		1
Road	Distance to road I (railroad, national highway, provincial highway)	[0, 200]	0.15	100
		(200, 400]		80
		(400, 800]		60
		(800, 1600]		40
		(1600, 3200]		20
		(3200, + ∞)		1
	Distance to road II (country highway)	[0, 150]	0.15	100
		(150, 250]		80
		(250, 450]		60
		(450, 800]		40
		(800, 1000]		20
		(1000, + ∞)		1
Pollution Sources	Distance to pollution sources (m)	[0, 2000)	0.1	100
		[2000, 4000)		80
		[6000, 8000)		60
		[8000, 10,000)		40
		[10,000, + ∞)		1