IMPACT OF LIVESTOCK GRAZING ON PLANT SPECIES DIVERSITY AND RICHNESS AND SOME SOIL PHYSICO-CHEMICAL FEATURES

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KAMALI P.; ERFANZADEH R.

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Journal: NATURAL ECOSYSTEMS OF IRAN Year:2013 | Volume:4 | Issue:1 Page(s): 1-18

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Title

IMPACT OF LIVESTOCK GRAZING ON PLANT SPECIES DIVERSITY AND RICHNESS AND SOME SOIL PHYSICO-CHEMICAL FEATURES

Author(s)

KAMALI P. | ERFANZADEH R. | Issue Writer Certificate

Keywords

GRAZINGQ2

ORGANIC CARBONQ2

SHANNON-WIENER INDEXQ2

SOIL NITROGENQ2

VAZ WATERSHEDQ1

Abstract

In the recent years, livestock GRAZING and utilization of rangelands has drastically increased. So, study on the changes of plant cover and soil characteristics during the time are necessary. For this purpose, an exclosure had been established since 2001 in Vaz grasslands. The purpose of this study was to compare plant species diversity and richness, also the soil physical and chemical properties between exclosure and GRAZING area. Therefore, soil and plant samplings were done using randomized-systematic method. 8 transects were established and Seven plots were established along each transect, in total, 28 plots were placed inside and 28 plots outside of exclosure and plant and soil samples were taken in each of them. The results showed that N, C and soil porosity (P) in GRAZING area were equal to 0.28%, 0.13% and 40.62% respectively, which were significantly lower than exclosure (N=0.54%, C=0.18%, P=60.89). In contrast, EC, pH, bulk density and soil relative humidity in GRAZING area with averages of 0.98 dsm-1, 8.57, 1.63 gcm-3 and 21.35% respectively, were significantly higher than exclosure with averages of 0.78 dsm-1, 5.93, 1.33 gcm-3 and 12.53%. GRAZING increased diversity (3.41) in comparison with exclosure (2.67). In addition, GRAZING increased species with low palatability (Class III). So, the high frequency of these species (47.95%) in GRAZING area increased the plant diversity. Class II species had highest frequency with average of 51.34 in exclosure area. The results showed that relative percentage of species in the Raunkiaer system, were significantly different between grazed and ungrazed areas.

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APA: Copy

KAMALI, P., & ERFANZADEH, R.. (2013). IMPACT OF LIVESTOCK GRAZING ON PLANT SPECIES DIVERSITY AND RICHNESS AND SOME SOIL PHYSICO-CHEMICAL FEATURES. NATURAL ECOSYSTEMS OF IRAN, 4(1), 1-18. SID. https://sid.ir/paper/215277/en

Vancouver: Copy

KAMALI P., ERFANZADEH R.. IMPACT OF LIVESTOCK GRAZING ON PLANT SPECIES DIVERSITY AND RICHNESS AND SOME SOIL PHYSICO-CHEMICAL FEATURES. NATURAL ECOSYSTEMS OF IRAN[Internet]. 2013;4(1):1-18. Available from: https://sid.ir/paper/215277/en

IEEE: Copy

P. KAMALI, and R. ERFANZADEH, “IMPACT OF LIVESTOCK GRAZING ON PLANT SPECIES DIVERSITY AND RICHNESS AND SOME SOIL PHYSICO-CHEMICAL FEATURES,” NATURAL ECOSYSTEMS OF IRAN, vol. 4, no. 1, pp. 1–18, 2013, [Online]. Available: https://sid.ir/paper/215277/en

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