In collaboration with Scientific Association of Iranian Medicinal Plants

Document Type : Research Paper

Authors

1 Graduated Ph.D. in Range Management, Faculty of Natural Resources, University of Tehran, Karaj, Iran

2 Faculty of Natural Resources, Campus of Agriculture and Natural Resources, University of Tehran, Karaj, Iran

3 Faculty of Natural Resources, Campus of Agriculture and Natural Resources, University of Tehran,, Karaj, Iran

4 Faculty of Economics and Agricultural Development, Campus of Agriculture and Natural Resources, University of Tehran,, Karaj, Iran

5 Agricultural Research, Education & Extension Organization (AREEO), Tehran, Iran

6 Rangeland Research Division, Research Institute of Forests and Rangelands, Agricultural Research Education and Extension Organization (AREEO), Tehran, Iran

Abstract

The utilization of medicinal plants based on the ecological principles is one of the aspects of multi-purpose use of rangelands. Therefore, the capability of Darmiyan mountain rangelands in the east of the country to exploit medicinal plants was evaluated. For this purpose, in addition to the ecological indicators, the economic, social, and environmental indicators related to the indigenous knowledge were also considered. In this regard, the vegetation inventory was performed inside the 60 two-square-meter plots located at a distance of 20 m from each other along the 200-meter transects, and the share of medicinal species in the plant composition was calculated. The limitations and potentials of the region to exploit the medicinal plants were also evaluated from the point of view of exploiters and experts by designing a set of questions in the form of Likert scale. The final suitability map to exploit the medicinal plants based on the good, medium, low, and non-suitable degrees of suitability was prepared by integrating the maps in the GIS and based on the FAO limiting factor approach. The results showed that 50.11% (6367.83 ha) and 49.89% (6341.44 ha) of the rangelands had medium and low suitability for exploitation, respectively. The canopy percentage had the highest share of limiting the suitability of plant types, in which the harvest of medicinal plants is less recommended to protect the soil and improve the rangeland conditions. The guaranteed purchase of medicinal plants from the exploiters and providing them with the necessary training on various aspects of this profession, will also increase the capability of this type of rangelands exploitation. Accordingly, they should be given more attention in designing the instructions to determine the rangelands suitability to exploit the medicinal plants.

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Main Subjects

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