ASSESSMENT OF VEGETATION CHANGES IN RANGELANDS UNDER DIFFERENT GRAZING INTENSITIES CASE STUDY: CHARANDOW OF KURDISTAN PROVINCE

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IMANI J.; TAVILI A.; BANDAK I.; GHOLINEJAD B.

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Paper Information

Journal: IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH Year:2010 | Volume:17 | Issue:3 (40) Page(s): 393-401

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Title

ASSESSMENT OF VEGETATION CHANGES IN RANGELANDS UNDER DIFFERENT GRAZING INTENSITIES CASE STUDY: CHARANDOW OF KURDISTAN PROVINCE

Author(s)

IMANI J. | TAVILI A. | BANDAK I. | GHOLINEJAD B. | Issue Writer Certificate

Keywords

GRAZING INTENSITIES FORAGE PRODUCTIONQ3

DENSITY OF PLANTQ2

CANOPY COVER PERCENTAGEQ2

CHARANDOW OF KURDISTANQ2

Abstract

Analysis of vegetation is one of the important factors in appropriate management of rangelands. The current research was conducted to evaluate CANOPY COVER PERCENTAGE, forage production, and species density in four areas including reference area, personal rangeland, key area and critical area in the region of village. In each area, 5 transects were established on which 10 quadrate 1 m 2 were used with regard to the plant type and distribution of species. The lengths of each transect and the distance between them were determined 100 m and 20 m respectively according to the species density and distribution. CANOPY COVER PERCENTAGE, forage production and species density were recorded in all quadrates. Clipping and weighing method was used to estimate forage production. Data analysis was performed using one way ANOVA and Duncan test. Results indicated that there was significant difference in CANOPY COVER PERCENTAGE (p£0/1), forage production (p£0/05) and species density (p£0/01) among 4 studied areas. The result showed that with moving from reference to critical area, CANOPY COVER PERCENTAGE, forage production and species density dramatically decreased as palatable species (class I), average palatable species and non palatable and invasive species had the most CANOPY COVER PERCENTAGE, forage production and density respectively in reference area, personal rangeland and common area between village and critical area. Perennials and palatable grasses such as Bromus tomentellus and Hordeum bolbosum had the highest CANOPY COVER PERCENTAGE, forage production and density in reference area. With a gradual increase in grazing intensity, percentage of palatable species decreased while non palatable species like Boisseria squarrosa and Centaurea virgata increased. This research revealed that heavy grazing jeopardized the sustainability of the rangeland ecosystem by creating unfavorable changes in vegetation characteristics.

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References

مقایسه پوشش گیاهی مناطق مرجع، کلید و بحرانی پارک ملی گلستان و مناطق همجوار

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APA: Copy

IMANI, J., TAVILI, A., BANDAK, I., & GHOLINEJAD, B.. (2010). ASSESSMENT OF VEGETATION CHANGES IN RANGELANDS UNDER DIFFERENT GRAZING INTENSITIES CASE STUDY: CHARANDOW OF KURDISTAN PROVINCE. IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH, 17(3 (40)), 393-401. SID. https://sid.ir/paper/106769/en

Vancouver: Copy

IMANI J., TAVILI A., BANDAK I., GHOLINEJAD B.. ASSESSMENT OF VEGETATION CHANGES IN RANGELANDS UNDER DIFFERENT GRAZING INTENSITIES CASE STUDY: CHARANDOW OF KURDISTAN PROVINCE. IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH[Internet]. 2010;17(3 (40)):393-401. Available from: https://sid.ir/paper/106769/en

IEEE: Copy

J. IMANI, A. TAVILI, I. BANDAK, and B. GHOLINEJAD, “ASSESSMENT OF VEGETATION CHANGES IN RANGELANDS UNDER DIFFERENT GRAZING INTENSITIES CASE STUDY: CHARANDOW OF KURDISTAN PROVINCE,” IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH, vol. 17, no. 3 (40), pp. 393–401, 2010, [Online]. Available: https://sid.ir/paper/106769/en

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