Determination of Agricultural Land Suitability Classes with GIS-Based Multi-Criteria Decision Analysis in Rural Landscape
2022
Tugac, Murat Guven
Today, where natural resources are scarce and sensitive, land resources must be used correctly in order to increase agricultural productivity. For the effective utilization of land resources, it is important to determine the suitability of the land for use and to make land use preferences by considering ecological conditions. In this study, agricultural land suitability was determined by combining Multi-Criteria Decision Analysis and Geographic Information Systems (GIS) techniques. The Analytical Hierarchy Process (AHP) was applied to determine the relative importance weights of the criteria with respect to each other. Agricultural suitability classes were created by applying the weighted linear combination model to combine the criteria in the GIS environment. For the land suitability analysis, soil, topography, climate, and water resources were determined as the main criteria and 18 sub-criteria related to these criteria were evaluated. The study area is in a moderately suitable (59.6%) class for agricultural use due to constraints such as salinity, erosion, drainage, calcareousness, and soil depth. When land suitability maps are evaluated as basic base data, they can make important contributions to food safety, agricultural planning, and sustainable land management.
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