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Table 2 Geospatial data layers and the associated suitability scores for the prospect of having a swine farm in a particular geographical location

From: Modeling livestock population structure: a geospatial database for Ontario swine farms

GIS data layers Data source Categories Suitability scores
Road Network (excluding highways) StatCan Roads passing through population centers 0
Roads that don’t pass through population centers.  
 - Within 300 m 100
 - Between 301 and 500 m 50
 - Between 501 and 5000 m 25
 - More than 5 KM 0
Agricultural Ecumenea StatCan  - Intersect 100
 - Do not intersect 10
Population Centers/Residential Zones StatCan and DMTI Spatial Inc.  - Within a population center/residential zone 0
 - Within a 2 KM buffer around the outer perimeter of a population center 25
 - Between 2.001 and 15 KM buffer around a population center 95
 - More than 15 KM away from the outer perimeter of a population center 50
Crown Land - MNR Unpatented Land Public Ontario Land use information, Ministry of Natural resources  - Intersect 5
 - Do not intersect 100
Camp and Recreation spots Ontario Land use information, Ministry of Natural resources  - Intersect within 1KM buffer of the outer perimeter 0
 - Outside 1KM buffer of the outer perimeter 100
Government Institutional Land Use DMTI Spatial Inc.  - Intersect 0
 - Do not intersect 100
Resource and Industrial Land Use DMTI Spatial Inc.  - Intersect 0
 - Do not intersect 100
Waterbodies – Great Lakes NOAA  - Intersect within 1KM buffer of the outer perimeter 0
 - Outside 1KM buffer of the outer perimeter 100
Large Inland Waterbodies StatCan Larger waterbodies (e.g. ranking 1, 2 and 3). A geographical reference location:  
 - Intersect within 1KM buffer of the outer perimeter 0
 - Outside 1KM buffer of the outer perimeter 100
  1. aAgricultural Ecumene refers to the occupied land surface used for agricultural or any other economic purposes