USE OF GIS IN MAPPING OPEN SPACES
FOR THE IDENTIFICATION OF POTENTIAL ALLOTMENT GARDEN SITES IN DISTRICTS 6 & 7 OF BARANGAY MACASANDIG, CAGAYAN DE ORO CITY
The use of Geographic Information System (GIS) and Analytical Hierarchy Process (AHP) for urban agriculture planning presents a compelling decision scenario to local government officials. The research was carried out in Districts 6 and 7 of Barangay Macasandig area. The area has 10.50 percent or 14.09 hectares of open spaces possible for allotment gardening purposes. GIS has been used to match the suitability of these open spaces based on five parameters namely water resource, soil, proximity to road, proximity to market and proximity to houses for urban agriculture planning. AHP model was applied to identify the priority of these parameters. Digital maps, household survey, community maps and GPS ground truth data were used. Results showed that technical and community perspectives may vary in weighing decision elements. For both perspectives however, it revealed that water resource is the most important parameter in the selection of suitable areas. Finally, the integration of GIS and AHP identified thirteen (13) potential allotment garden sites with respect to area suitability and maps of potential communities.
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