EFFECTS OF CLIMATE AND LONG-TERM GRAZING EXCLUSION ON SELECTED SOIL BIOLOGICAL QUALITY INDICATORS IN RANGELANDS OF CENTRAL ZAGROS

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SHEKL ABADI M.; KHADEMI H.; NOUR BAKSH F.; KARIMIAN EGHBAL M.

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Journal: Journal of Water and Soil Science Year:2007 | Volume:11 | Issue:41 (A) Page(s): 103-114

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Title

EFFECTS OF CLIMATE AND LONG-TERM GRAZING EXCLUSION ON SELECTED SOIL BIOLOGICAL QUALITY INDICATORS IN RANGELANDS OF CENTRAL ZAGROS

Author(s)

SHEKL ABADI M. | KHADEMI H. | NOUR BAKSH F. | KARIMIAN EGHBAL M. | Issue Writer Certificate

Keywords

SOIL CHEMICAL QUALITYQ3

BIOLOGICAL QUALITYQ3

CLIMATEQ2

GRAZING MANAGEMENTQ3

CENTRAL ZAGROSQ3

Abstract

The effect of overgrazing on vegetation changes in CENTRAL ZAGROS has been studied by a few scientists, but there is no detailed information on the impact of such practices on soil properties. The objective of this study was to assess the effect of CLIMATE and GRAZING MANAGEMENT on selected soil biochemical properties. Fourteen experimental range sites protected against grazing as well as their adjacent overgrazed sites in Chadegan, Pishkuh and Poshtkuh were selected. In each site, samples were collected from the depths 0-5 and 5-15 cm. Soil organic C (OC), microbial biomass C (MBC), total nitrogen (TN), organic C to total N ratio (C/N), microbial biomass C to organic C ratio (Cmic/Coc) and metabolic quotient (qCO2) were measured and/or calculated. The results showed that the lowest SOC, MBC, TN and Cmic/Coc occur in Chadegan due to low fresh materials input. The above parameters in Pishkuh and Poshtkuh regions are 2.5 to 3 times greater than those in Chadegan area. Grazing intensity in Pishkuh is less than that in Poshtkuh region and there is no significant difference between grazed and protected sites in Pishkuh. But, there is a significant difference between grazed and protected plots in Poshtkuh due to a higher grazing intensity. Higher Cmic/Coc and lower qCO2 suggest that the quality of organic matter is better in Poshtkuh and Pishkuh. In conclusion, highly degraded rangelands in Pishkuh and Poshtkuh seem to be able to recover very quickly with proper management, while Chadegan region needs a much longer period of time to restore.

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APA: Copy

SHEKL ABADI, M., KHADEMI, H., NOUR BAKSH, F., & KARIMIAN EGHBAL, M.. (2007). EFFECTS OF CLIMATE AND LONG-TERM GRAZING EXCLUSION ON SELECTED SOIL BIOLOGICAL QUALITY INDICATORS IN RANGELANDS OF CENTRAL ZAGROS. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 11(41 (A)), 103-114. SID. https://sid.ir/paper/14643/en

Vancouver: Copy

SHEKL ABADI M., KHADEMI H., NOUR BAKSH F., KARIMIAN EGHBAL M.. EFFECTS OF CLIMATE AND LONG-TERM GRAZING EXCLUSION ON SELECTED SOIL BIOLOGICAL QUALITY INDICATORS IN RANGELANDS OF CENTRAL ZAGROS. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2007;11(41 (A)):103-114. Available from: https://sid.ir/paper/14643/en

IEEE: Copy

M. SHEKL ABADI, H. KHADEMI, F. NOUR BAKSH, and M. KARIMIAN EGHBAL, “EFFECTS OF CLIMATE AND LONG-TERM GRAZING EXCLUSION ON SELECTED SOIL BIOLOGICAL QUALITY INDICATORS IN RANGELANDS OF CENTRAL ZAGROS,” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 11, no. 41 (A), pp. 103–114, 2007, [Online]. Available: https://sid.ir/paper/14643/en

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