The Effects of Long-term Grazing Management on Vegetation and Some Soil Characteristics (A Case Study: Hamzavi Research Station in Hanna-Semirom, Isfahan)

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KAZEMI M.S.; Karimzadeh H. R.; TARKESH ESFAHANI M.; BASHARI H.

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Journal: Journal of Water and Soil Science Year:2019 | Volume:22 | Issue:4 Page(s): 15-27

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Title

The Effects of Long-term Grazing Management on Vegetation and Some Soil Characteristics (A Case Study: Hamzavi Research Station in Hanna-Semirom, Isfahan)

Author(s)

KAZEMI M.S. | Karimzadeh H. R. | TARKESH ESFAHANI M. | BASHARI H. | Issue Writer Certificate

Keywords

Canonical correspondence analysisQ2

VegetationQ2

Grazing managementQ1

SoilQ2

Cluster analysisQ1

ExclusionQ2

Abstract

Evaluating the possible relationships between Vegetation and environmental characteristics can assist managers to identify effective factors influencing plants establishment and to characterize various Vegetation communities. This study was aimed to evaluate the effects of long term grazing Exclusion ( more than 33 years) and the controlled grazing system (resting – rotation grazing system) on the Vegetation distribution and some Soil properties in the Hamzavi research station in Hanna area-Semirom, Isfahan. Six transects (three parallel transects and three transects perpendicular to the general slope of the area) were established in each area and 10 square plots with the size of 2m2 were placed along each transect; then, the cover percentage, production and list of all plant species were recorded. In each area, eighteen plots were collected randomly and in each plot, five Soil samples were collected from 0-30 cm of the Soil and then the samples were mixed and one sample of the compound was selected as an evidence plot. Soil properties such as pH, EC, CaCO3, organic carbon, absorbable phosphor, total nitrogen, K, Ca, Mg, Soil saturated percentage, cation exchange capacity, Soil clay, silt, sand and fine sand contents were measured in the Soil laboratory. The independent t test was used to compare the Vegetation characteristics in two areas. Cation exchange capacity, CaCO3, gravel percentage, Soil phosphor content and Grazing management were identified as the most discriminative factors in separating Vegetation communities based on Canonical correspondence analysis (CCA) and Cluster analysis. Controlled Grazing management significantly modified some Soil characteristics and increased the production (352 versus 184. 2 kg/ha) and Vegetation cover percentage (25. 46 versus 18. 37), as compared to the Exclusion area (α = 5%). The Vegetation density was increased significantly in the Exclusion rather than controlled grazing area (3. 03 versus 2. 02 plant/m2). This study, therefore, revealed that controlled Grazing management was more effective on improving some Soil quality and Vegetation characteristics rather than p long term grazing

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APA: Copy

KAZEMI, M.S., Karimzadeh, H. R., TARKESH ESFAHANI, M., & BASHARI, H.. (2019). The Effects of Long-term Grazing Management on Vegetation and Some Soil Characteristics (A Case Study: Hamzavi Research Station in Hanna-Semirom, Isfahan). WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 22(4 ), 15-27. SID. https://sid.ir/paper/365746/en

Vancouver: Copy

KAZEMI M.S., Karimzadeh H. R., TARKESH ESFAHANI M., BASHARI H.. The Effects of Long-term Grazing Management on Vegetation and Some Soil Characteristics (A Case Study: Hamzavi Research Station in Hanna-Semirom, Isfahan). WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2019;22(4 ):15-27. Available from: https://sid.ir/paper/365746/en

IEEE: Copy

M.S. KAZEMI, H. R. Karimzadeh, M. TARKESH ESFAHANI, and H. BASHARI, “The Effects of Long-term Grazing Management on Vegetation and Some Soil Characteristics (A Case Study: Hamzavi Research Station in Hanna-Semirom, Isfahan),” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 22, no. 4 , pp. 15–27, 2019, [Online]. Available: https://sid.ir/paper/365746/en

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