The Impact of Land Use Change on Soil Physical Quality in Gilan-e-Gharb Region

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Ashraf Amirinejad A.; GHOTBI S.

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Journal Paper

Paper Information

Journal: Journal of Water and Soil Science Year:2018 | Volume:22 | Issue:2 Page(s): 41-51

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Title

The Impact of Land Use Change on Soil Physical Quality in Gilan-e-Gharb Region

Author(s)

Ashraf Amirinejad A. | GHOTBI S. | Issue Writer Certificate

Keywords

Land useQ2

DeforestationQ2

Soil physical qualityQ1

Abstract

The soil quality is defined as the ability of soil to function as an essential part of the human habitat. In this study, the effects of Land use change (conversion of forest lands into agricultural lands) on the Soil physical quality were studied in the Gilan-e-Gharb region. For this study, soil samples were collected from surface and subsurface layers of both Land uses, and the peak and shoulder slope positions, in Miandar and Vidjanan catchments. Soil physical properties such as soil texture and particle size distribution, soil hydraulic conductivity, bulk density, mean weight diameter of aggregates, water holding capacity, and the soil organic carbon content were measured. The results showed that Land use change of the forest to agricultural lands resulted in a sharp decline in the soil organic matter (52%) and an increase in silt and sand percentage and soil bulk density. Also, Deforestation decreased the mean weight diameter of aggregates (from 0. 39 to 0. 14 mm in Miandar) and clay percent. It caused a reduction in the total porosity followed by a decrease of soil water holding capacity, and a decrease in the saturated hydraulic conductivity (from 10. 34 to 1. 86 cm/h), as well. In general, the results proved that the Land use change from forest to agriculture severely decreased Soil physical quality and its productivity.

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APA: Copy

Ashraf Amirinejad, A., & GHOTBI, S.. (2018). The Impact of Land Use Change on Soil Physical Quality in Gilan-e-Gharb Region. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 22(2 ), 41-51. SID. https://sid.ir/paper/361319/en

Vancouver: Copy

Ashraf Amirinejad A., GHOTBI S.. The Impact of Land Use Change on Soil Physical Quality in Gilan-e-Gharb Region. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2018;22(2 ):41-51. Available from: https://sid.ir/paper/361319/en

IEEE: Copy

A. Ashraf Amirinejad, and S. GHOTBI, “The Impact of Land Use Change on Soil Physical Quality in Gilan-e-Gharb Region,” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 22, no. 2 , pp. 41–51, 2018, [Online]. Available: https://sid.ir/paper/361319/en

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