Abstract
Viper's bugloss (Echium amoenum Fisch. et Mey.), a medicinal plant, grows as wild and cultivated in Eshkevarat area located in the northern mountains of Iran. Information layers from environmental factors affected on the growth of this plant was prepared by geographical information system (GIS) and overlaid in order to the plant extension and preservation, as well increasing of rural society's economic conditions. Results showed that E. amoenum Fisch. et Mey. grows as wild in the area with average temperature of 12.5°C and precipitation of 750 to 800 mm. The surface under cultivation of this species may be increased up to 3 multiple by query. Key words: Information layers, geographical information system (GIS), Echium amoenumFisch. et Mey., query, Iran.
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