STUDY OF GRAZING INTENSITIES ON VEGETATION OF STEPPE RANGELANDS OF NIR IN YAZD

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BAGHESTANI MEYBODI N.; ARZANI HOSSEIN; SHOKAT FADAEI M.; NIKKHAH A.

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Journal: IRANIAN JOURNAL OF NATURAL RESOURCES Year:2004 | Volume:57 | Issue:1 Page(s): 155-170

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Title

STUDY OF GRAZING INTENSITIES ON VEGETATION OF STEPPE RANGELANDS OF NIR IN YAZD

Author(s)

BAGHESTANI MEYBODI N. | ARZANI HOSSEIN | SHOKAT FADAEI M. | NIKKHAH A. | Issue Writer Certificate

Keywords

YAZDQ3

NIRQ4

STOCKING RATEQ4

GRAZING CAPACITYQ3

GOATQ4

STEPPEQ4

SALSOLA RIGIDAQ4

STIPA BARBATAQ4

ARTEMISIA SIEBERI.Q4

Abstract

Sustainable utilization of rangeland is dependent upon suitable grazing intensity. Due to this fact, in this study, grazing intensities in STEPPE rangeland of YAZD province were taken into account. The study was performed in NIR Range and Animal Research Station. A randomized complete block design (RCBD) with 3 replications was used for two years (1379-1380). Each block represented four grazing intensities as follows: heavy, moderate, light and control (no grazing). Moderate grazing intensity was defined to be equal to GRAZING CAPACITY. Heavy and light intensities were defined as either 25 percent higher or lower than the moderate intensity, respectively. The cover and yield in experimental units were assessed for all species each separately at the beginning and end of grazing seasons (for two years). The results indicated that: vegetation cover and composition of the species were not significantly affected by applied grazing intensities (P< 0.05), but heavy grazing intensity reduced vegetation cover of SALSOLA RIGIDA as well as STIPA BARBATA. Maximum and minimum yield in these two species were the result of moderate and heavy grazing intensities, respectively. The differences between maximum and minimum yield (S. rigida, S. barbata) were significant (P< 0.05). Total yield in perennial plants was similar to that in the mentioned species. Considering the results in this study, moderate grazing intensity is recommended for sustainable utilization of these rangelands. Because of slow trend of vegetation change in the arid lands, it is recommended that this study be continued for the next ten years.

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APA: Copy

BAGHESTANI MEYBODI, N., ARZANI, HOSSEIN, SHOKAT FADAEI, M., & NIKKHAH, A.. (2004). STUDY OF GRAZING INTENSITIES ON VEGETATION OF STEPPE RANGELANDS OF NIR IN YAZD. IRANIAN JOURNAL OF NATURAL RESOURCES, 57(1), 155-170. SID. https://sid.ir/paper/22825/en

Vancouver: Copy

BAGHESTANI MEYBODI N., ARZANI HOSSEIN, SHOKAT FADAEI M., NIKKHAH A.. STUDY OF GRAZING INTENSITIES ON VEGETATION OF STEPPE RANGELANDS OF NIR IN YAZD. IRANIAN JOURNAL OF NATURAL RESOURCES[Internet]. 2004;57(1):155-170. Available from: https://sid.ir/paper/22825/en

IEEE: Copy

N. BAGHESTANI MEYBODI, HOSSEIN ARZANI, M. SHOKAT FADAEI, and A. NIKKHAH, “STUDY OF GRAZING INTENSITIES ON VEGETATION OF STEPPE RANGELANDS OF NIR IN YAZD,” IRANIAN JOURNAL OF NATURAL RESOURCES, vol. 57, no. 1, pp. 155–170, 2004, [Online]. Available: https://sid.ir/paper/22825/en

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