Locating Ornamental and Medicinal Saffron Cultivation Based on AHP Analysis in GIS Environment in Ardabil Province

Journal of Ornamental Plants

مقاله 2، دوره 8، شماره 3، آبان 2018، صفحه 155-169   

نوع مقاله: Research Paper

نویسندگان

Vahid Ashrafi¹؛ Bahram Mirshekari²؛ Shahryar Dashti^{* 3}؛ Ebrahim Khalilvand²؛ Salim Farzaneh⁴

¹Ph.D Student of Agronomy, Faculty of Agriculture, Tabriz Branch, Islamic Azad University, Tabriz, Iran

²Department of Agronomy and Plant Breeding, Tabriz Branch, Islamic Azad University, Tabriz, Iran

³Department of Agronomy, Maraghe University, Maragheh, Iran

⁴Department of Agronomy, Mohaghegh Ardabili University, Ardabil, Iran

چکیده

The ornamental and medicinal saffron with high economic value encompasses a great share of non-oil exports in Iran. As a result, identification of suitable areas for saffron cultivation in Ardabil province located in northwestern part of Iran necessitate effective planning for expanding cultivation and production of this product. Given the effect of various environmental factors on growth and yield of saffron, land evaluation process requires comprehensive spatial and descriptive information for cultivation of this plant. Geographic Information Systems (GIS) allows taking advantage of this type of data and facilitates spatial analysis of collected data based on identified models. In this study, Multi-criteria Decision-making (MCDM) and Analytic Hierarchy Process (AHP) methods were used based on environmental ecological needs for saffron cultivation. Modeling and spatial analysis of data layers were performed in ArcGIS software. Research methods encompass data collection and entry, statistical calculations and analyses, criteria clustering and valuation, spatial modeling and integration of diverse information. Accordingly, land capability of Ardabil province was assessed for saffron cultivation. Final zoning map was prepared. The results showed effectiveness of hierarchical analysis in assessment of land capability for cultivation of saffron. According to this criteria, Ardabil province was divided into four parts as follows: 19.8 % of this province had highly suitable capability (355429.8 ha), 26.7 % had suitable capability (479291.7 ha), 29.3 % had moderate suitability (525964.3 ha) and 24.2 % had no suitability in cultivation of this plant (434414.2 ha). As a result, it is recommended to cultivate saffron in northern part of Ardebil (Moghan).

کلیدواژه‌ها

decision-making؛ Land capability؛ Multi-criteria؛ Spatial analysis؛ zoning

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