Document Type : Research Paper


1 Assistant Professor, Department of Natural Resources and Environment, Faculty of Agriculture, Shiraz University, Shiraz, Iran

2 MSc in Desert Management, Faculty of Agriculture, Shiraz University, Shiraz, Iran


َAutecology of Platychaete aucheri Boiss. was studies in south parts of Fars. Climatic data, topography and soil characteristics , vegetation attributes and phenology of desire species were studies. The nutritive value in three major stages was determined. The results showed the plant is able to grow under conditions of low rainfall and high temperature , but has little tolerance to cold and frost . The habitat altitude ranges from 543 to 1120 meters above sea level, slope aspect of south and southeast and 7 to 80 percent slope. Average canopy cover of species is between 8.15 to 29 percent. The soils of habitats were neutral to alkaline, non-saline, poor in organic matter and nutrients and the texture is sandy loam. The protein content (%) decreases during phonological stages (at high level 4.53% in flowering stage), also this protein content alone do not satisfy the livestock requirements. Due to the essential oils, the deep root system, woody aerial parts and as well as hairy leaf and stem, grazing pressure can be tolerated. Generally, P.aucheri has several benefits such as adaptation to hot and dry habitats of southern Fars, grazing resistant of life form, attractiveness of beekeeping, uses in traditional medicine and valuable role in controlling water and wind erosion may be introducing and considering as a multiple use species in combat desertification projects and reclamation of winter south rangelands of the country. Knowing of best methods to propagation and successful establishment of this endemic species requires further research.


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