Assessment of foot-and-mouth disease risk areas in mainland China based spatial multi-criteria decision analysis

BMC Veterinary Research

Table 1 The standardization and weight of risk factors for risk mapping

Risk factors	Average weight	Standard deviation	Standardization	Source	Reference
Buffalo density (head/km²)	0.12	0.0219	Sigmoidal increase	FAO	[11]
Cattle density (head/km²)	0.16	0.0282	Sigmoidal increase	FAO	[11]
Pig density (head/km²)	0.08	0.0063	Sigmoidal increase	FAO	[23]
Sheep density (head/km²)	0.04	0.0141	Sigmoidal increase	FAO	Self assessment
Goat density (head/km²)	0.04	0.0089	Sigmoidal increase	FAO	[11]
Distance to previous outbreak points (Km)	0.18	0.0282	Sigmoidal decrease	FAO	[24]
Distance to national boundaries (Km)	0.08	0.0179	Sigmoidal decrease	NGCC	[23]
Distance to livestock market and slaughterhouse (Km)	0.10	0.0155	Sigmoidal decrease	AMAP	[25]
Major road density (Km)	0.06	0.0190	Sigmoidal decrease	NGCC	[26]
Grazing area (Km)	0.14	0.0276	Sigmoidal increase	LUH	[27]

FAO The Food and Agriculture Organization, NGCC National Geomatics Center of China, LCH Land-Use Harmonization

ISSN: 1746-6148