Study of vegetation changes in rangelands of Esfahan province under grazing and nongrazing conditions

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JAFARI Z.; NIKNAHAD GHARMAKHER H.; Mesri s.

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Journal Paper

Paper Information

Journal: IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH Year:2017 | Volume:23 | Issue:4 Page(s): 680-688

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Information Journal Paper

Title

Study of vegetation changes in rangelands of Esfahan province under grazing and nongrazing conditions

Author(s)

JAFARI Z. | NIKNAHAD GHARMAKHER H. | Mesri s. | Issue Writer Certificate

Keywords

EsfahanQ2

exclosureQ2

rangelandsQ2

vegetationQ2

Abstract

This research was aimed to study the vegetation changes under grazing and non-grazing conditions during five years in order to evaluate vegetation improvement or destruction over time. The study of vegetation changes was carried out inside and outside the exclosure within the sample units. Each sample unit consisted of two parallel transects with 20 quadrates. Within each quadrate, the canopy cover percentage and composition percentage of each species were estimated. The forage yield was measured by clipping and weighing using one-square-meter quadrates. No significant difference was recorded for the canopy cover of inside and outside the exclosure. Statistical analysis was performed in a completely randomized block design and no significant differences were found among the study years. However, significant differences were found for forage yield of inside and outside the exclosure. Therefore, the reduction in forage yield of outside the exclosure is directly related to the intensity of utilization. The life form of species was determined based on Raunkiaer's system Hemicryptophytes was the dominant form in the study area. The results showed that although the exclosure caused to improve rangeland vegetation, the difference between inside and outside the exclosure was not significant. Generally, the results indicated that vegetation changes in the study area were slow and gradual and exclosure could not be considered as an improvement method in short-term. Direct human intervention is required for the restoration of rangelands, located in arid regions.

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APA: Copy

JAFARI, Z., NIKNAHAD GHARMAKHER, H., & Mesri, s.. (2017). Study of vegetation changes in rangelands of Esfahan province under grazing and nongrazing conditions. IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH, 23(4 ), 680-688. SID. https://sid.ir/paper/106809/en

Vancouver: Copy

JAFARI Z., NIKNAHAD GHARMAKHER H., Mesri s.. Study of vegetation changes in rangelands of Esfahan province under grazing and nongrazing conditions. IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH[Internet]. 2017;23(4 ):680-688. Available from: https://sid.ir/paper/106809/en

IEEE: Copy

Z. JAFARI, H. NIKNAHAD GHARMAKHER, and s. Mesri, “Study of vegetation changes in rangelands of Esfahan province under grazing and nongrazing conditions,” IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH, vol. 23, no. 4 , pp. 680–688, 2017, [Online]. Available: https://sid.ir/paper/106809/en

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