Relationship between habitat characteristics and Salep (Orchis palustris Jacq.) production in Targavar meadows of Urmia

Motamedi, J.; Sofi Khajavi, E.; Alijanpour, A.; Sheidai Karkaj, E.

doi:10.22092/ijmapr.2019.120774.2263

Document Type : Research Paper

Authors

¹ Rangeland Research Division, Research Institute of Forests and Rangelands, Agricultural Research Education and Extension Organization (AREEO), Tehran, Iran

² M.Sc. in Rangeland Management, West Azarbaijan Bureau of Natural Resourse and Watershed Management, Ardebil, Iran

³ Department of Forestry, Faculty of Natural Resources, Urmia University, Urmia, Iran

⁴ Department of Range and Watershed Management, Faculty of Natural Resources, Urmia University, Urmia, Iran

https://doi.org/10.22092/ijmapr.2019.120774.2263

Abstract

Study on the habitat characteristics of medicinal plants and estimating their production is one of the basic requirements for designing a future perspective document for utilization of by-products. Salep (Orchis palustris Jacq.) is one of the most important and highly valuable medicinal plants having a significant distribution in the meadows of Targavar region of Urmia. Hence, among the meadows, six locations that were easier to reach and the distribution of Salep was more uniform were selected. In each location, using 60 plots of 60×25 cm² that were randomly located within 10 plots with 10×1 m², the number of Salep bases were counted and traits including crown cover percentage, plant height and tuber production were measured. Three composite soil samples from each location were randomly taken from the depth of root development of dominant species, and soil characteristics including sand, silt, clay, acidity, electrical conductivity, organic matter and total nitrogen were measured. The depth of groundwater (in each location) was considered as a criterion for moisture level and altitude, to analyze the relationship between habitat characteristics and plant traits. For this purpose, based on the calculated gradient length, the redundancy analysis (RDA) method was used as a linear method. The results of RDA showed that plant traits, especially tuber weight, were directly affected by the amount of organic matter, organic carbon, total nitrogen and clay percentage of the habitats. The mentioned traits are reversely related with altitude, groundwater depth and soil acidity of locations. In general, the Salep species more prefer low-altitude habitats such as alluvial plains with fertile, neutral acidity and heavy texture soils and high groundwater surface.

Keywords

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Iranian Journal of Medicinal and Aromatic Plants Research

Relationship between habitat characteristics and Salep (Orchis palustris Jacq.) production in Targavar meadows of Urmia

References

References

Volume 35, Issue 2 - Serial Number 94
May and June 2019
Pages 240-251

Relationship between habitat characteristics and Salep (Orchis palustris Jacq.) production in Targavar meadows of Urmia

References

References

Volume 35, Issue 2 - Serial Number 94May and June 2019Pages 240-251

Volume 35, Issue 2 - Serial Number 94
May and June 2019
Pages 240-251