PRODUCTION SUITABILITY ASSESSMENT IN RANGELAND BY GEOGRAPHIC INFORMATION SYSTEM (CASE STUDY: FEREIDOONSHAHR, ISFAHAN PROVINCE)

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GAVILI E.; VAHABI M.R.; ARZANI H.; GHASRIANI F.

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Journal: Journal of RS and GIS for Natural Resources Year:2011 | Volume:2 | Issue:1 Page(s): 63-76

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Title

PRODUCTION SUITABILITY ASSESSMENT IN RANGELAND BY GEOGRAPHIC INFORMATION SYSTEM (CASE STUDY: FEREIDOONSHAHR, ISFAHAN PROVINCE)

Author(s)

GAVILI E. | VAHABI M.R. | ARZANI H. | GHASRIANI F. | Issue Writer Certificate

Keywords

RANGELAND SUITABILITY ALLOWABLE USE FACTOR FORAGE PRODUCTION GRAZING CAPACITY GIS FEREIDOONSHAHRQ2

Abstract

The aim of this study is to determine suitability classes for sheep grazing in terms of forage production in rangeland of Fereidoonshahr. Four information layers were crossed used of Geographical Information System (GIS). The ratio of available forage to the whole produced forage in each vegetation type was calculated in three different modes. In the first method, According to the coefficient of the palatability and proper use factors, the utilizable forage of species of class I, II and III were calculated, in second method for each vegetation type and in the third method only utilizable forage species class, I and II according to the coefficient of the palatability and allowable use factors was determined. The results of this study showed that in the first method, the amount of grazing capacities is 20709 animal units per grazing season. 15.98% of the rangelands belong to the S1 class, 37.50% to the medium class (S2), and is the rest to be low suitability class (S3). In the second method, the amount of grazing capacities is 15989 animal units per grazing period and 96% of rangelands are located in low suitability class (S3). In the third method, the amount of grazing capacities is 3190 per grazing period and 16.53% of the rangeland are in the middle suitability class (S2), 15.98% at the low class (S3) and 67.48% at unsuitable class (N). Based on this study, the most important factors for suitability decline is the low rate of available forage for the livestock, low forage production of classes, I, II, and low palatability percentage. Based on this study, the most important factor in reducing the low level of competence Meadow's area available to livestock fodder due to reasons such as production plants small classes, I and II, the low percentage of palatability and operational level allowed. High livestock number (22170 animal units) on one hand and high land deterioration rate on the other calls for lower stocking rate in hope of better future for these rangelands.

Cites

ANP APPLICATION IN EVALUATING ECOLOGICAL CAPABILITY OF RANGE MANAGEMENT (CASE STUDY: BADREH REGION, ILAM PROVINCE)

References

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APA: Copy

GAVILI, E., VAHABI, M.R., ARZANI, H., & GHASRIANI, F.. (2011). PRODUCTION SUITABILITY ASSESSMENT IN RANGELAND BY GEOGRAPHIC INFORMATION SYSTEM (CASE STUDY: FEREIDOONSHAHR, ISFAHAN PROVINCE). JOURNAL OF RS AND GIS FOR NATURAL RESOURCES (JOURNAL OF APPLIED RS AND GIS TECHNIQUES IN NATURAL RESOURCE SCIENCE), 2(1), 63-76. SID. https://sid.ir/paper/189438/en

Vancouver: Copy

GAVILI E., VAHABI M.R., ARZANI H., GHASRIANI F.. PRODUCTION SUITABILITY ASSESSMENT IN RANGELAND BY GEOGRAPHIC INFORMATION SYSTEM (CASE STUDY: FEREIDOONSHAHR, ISFAHAN PROVINCE). JOURNAL OF RS AND GIS FOR NATURAL RESOURCES (JOURNAL OF APPLIED RS AND GIS TECHNIQUES IN NATURAL RESOURCE SCIENCE)[Internet]. 2011;2(1):63-76. Available from: https://sid.ir/paper/189438/en

IEEE: Copy

E. GAVILI, M.R. VAHABI, H. ARZANI, and F. GHASRIANI, “PRODUCTION SUITABILITY ASSESSMENT IN RANGELAND BY GEOGRAPHIC INFORMATION SYSTEM (CASE STUDY: FEREIDOONSHAHR, ISFAHAN PROVINCE),” JOURNAL OF RS AND GIS FOR NATURAL RESOURCES (JOURNAL OF APPLIED RS AND GIS TECHNIQUES IN NATURAL RESOURCE SCIENCE), vol. 2, no. 1, pp. 63–76, 2011, [Online]. Available: https://sid.ir/paper/189438/en

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