The effect of Drill seeded exclosures on vegetation changes using multivariate analysis in Tang-e-Sorkh rangelands in Boyerahmad province, Iran

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JAHANTAB ESFANDIAR; MIRZAEE MOHAMMAD REZA; GHOLAMI PARVIZ

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Journal: Journal of Rangeland Year:2019 | Volume:13 | Issue:2 Page(s): 274-284

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Title

The effect of Drill seeded exclosures on vegetation changes using multivariate analysis in Tang-e-Sorkh rangelands in Boyerahmad province, Iran

Author(s)

JAHANTAB ESFANDIAR | MIRZAEE MOHAMMAD REZA | GHOLAMI PARVIZ | Issue Writer Certificate

Keywords

Drill seedingQ2

Species richnessQ2

Species diversityQ1

Rényi entropy profileQ1

ExclosureQ2

Abstract

Preserving Species diversity is one of the important objectives of ecosystem management. The aim of this study is to investigate the effect of drill seeded enclosures on vegetation changes in Tang-e-Sorkh rangelands in Boyerahmad province, Iran. Samples were taken from two areas: a 10 years Exclosure plus Drill seeding with Ferula assa-foetida L. and an area which is currently grazed as the control site. For sampling purpose, three 100-meter transects were put in each area, then for every ten meters of the transect a plot of one square meter was installed. Species richness were assessed through well known indicators, such as Sheldonchr('39')s evenness index, Shannon entropy, Simpson index. Results of two sites were statistically compared. The multivariate analysis was used to evaluate the response of plant species to Exclosure and grazing conditions. In general, 47 and 41 species were identified respectively in Exclosure and grazing regions having 28 of species in common. Results also showed that 19 and 13 species are unique to the Exclosure and control area, respectively. As the results of the statistical comparison it is concluded the Exclosure area has a significantly higher diversity and richness than the grazing area, but there is no significant difference in uniformity (evenness) between the two regions. Ré nyi entropy profile showed that the Exclosure area where the alpha values is higher than one, has higher diversity than the grazing area. There is no significant difference between the canopy cover percentage of different vegetation groups in these two regions, but the Exclosure area has a higher rate of overall plant cover percentage. Results of this study suggest the expansion of the Exclosure areas with Drill seeding using medical plants and valuable indigenous species, such as Ferula assa-foetida L., also systematic grazing program is proposed in the studied area.

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APA: Copy

JAHANTAB, ESFANDIAR, MIRZAEE, MOHAMMAD REZA, & GHOLAMI, PARVIZ. (2019). The effect of Drill seeded exclosures on vegetation changes using multivariate analysis in Tang-e-Sorkh rangelands in Boyerahmad province, Iran. RANGELAND, 13(2 ), 274-284. SID. https://sid.ir/paper/377260/en

Vancouver: Copy

JAHANTAB ESFANDIAR, MIRZAEE MOHAMMAD REZA, GHOLAMI PARVIZ. The effect of Drill seeded exclosures on vegetation changes using multivariate analysis in Tang-e-Sorkh rangelands in Boyerahmad province, Iran. RANGELAND[Internet]. 2019;13(2 ):274-284. Available from: https://sid.ir/paper/377260/en

IEEE: Copy

ESFANDIAR JAHANTAB, MOHAMMAD REZA MIRZAEE, and PARVIZ GHOLAMI, “The effect of Drill seeded exclosures on vegetation changes using multivariate analysis in Tang-e-Sorkh rangelands in Boyerahmad province, Iran,” RANGELAND, vol. 13, no. 2 , pp. 274–284, 2019, [Online]. Available: https://sid.ir/paper/377260/en

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