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:: Volume 6, Issue 12 (12-2018) ::
PEC 2018, 6(12): 239-260 Back to browse issues page
Effect of Drill-Seeding by Prangos ferulacea on vegetation composition in rangeland ecosystems of central Zagros
Iman Haghiyan * , Parviz Ghoalmi , Hamza Ali Shirmardi
Assistant professor, Rangeland and watershed management department, University of Torbat heydarieh, Torbat heydarieh , haghiyan24@gmail.com
Abstract:   (4142 Views)
Drill-seeding with Prangos ferulacea had been one of the most common techniques of rangeland restoration in central Zagros. No monitoring has been done to show this species impacts on composition species after drill-seeding. In this, study the effect of drill-seeding of this species was studied on species composition. This was carried out on Tange Sayad rangelands in Chaharmahal and Bakhtiari province. Vegetation was sampled on four sites, one as control and three densities of drill-seeding with P. ferulacea (low, moderate and high). The sampling was done using 1.5*1.5 m2 plot along transects.The result of this study showed 75 species were recorded in this area. In control site and low, moderate and high density of drill-seeding by Prangos 69, 50, 30 and 33 plant species were observed  respectively. The results showed that the species Astragalus microcephalus, Bromus danthoniae, Bromus tectorum and Melica persicawere  the major species in control site and Geranium tuberosum, Prangos ferulacea and Ziziphora tenuir were more dominant in higher density of drill-seeding sites. Also, Multivariate analyses showed that drill-seeding significantly influenced the speciescomposition of vegetation composition. The result showed that goal of restoration was achieved regarding forage biomass and soil conservation. However, this species have negative impact on vegetation due to its dense stand. Therefore, it is recommended to avoid dense seeding. Also, it is better to apply mixed seeding. 
Keywords: Drill-seeding, Species composition, Prangos ferulacea, Central Zagros
Full-Text [PDF 201 kb]   (792 Downloads)    
Type of Study: Applicable | Subject: Special
Received: 2017/06/2 | Accepted: 2017/09/1 | Published: 2018/11/24
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Haghiyan I, Ghoalmi P, Shirmardi H A. Effect of Drill-Seeding by Prangos ferulacea on vegetation composition in rangeland ecosystems of central Zagros. PEC 2018; 6 (12) :239-260
URL: http://pec.gonbad.ac.ir/article-1-339-en.html


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Volume 6, Issue 12 (12-2018) Back to browse issues page
مجله حفاظت زیست بوم گیاهان Journal of Plant Ecosystem Conservation
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