LAND USE ASSESSMENT IN GOMISHAN PLAIN (WITH EMPHASIS ON SOIL CHARACTERISTICS)

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MEHRANI AZITA; RIAZI BORHAN; JAVADI SEYED AKBAR; SHAHIDI HAMEDANI KHOSRO

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Paper Information

Journal: JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY Year:2015 | Volume:16 | Issue:SPECIAL ISSUE Page(s): 263-272

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Title

LAND USE ASSESSMENT IN GOMISHAN PLAIN (WITH EMPHASIS ON SOIL CHARACTERISTICS)

Author(s)

MEHRANI AZITA | RIAZI BORHAN | JAVADI SEYED AKBAR | SHAHIDI HAMEDANI KHOSRO | Issue Writer Certificate

Keywords

LAND USEQ2

SOIL CHARACTERISTICQ1

DRYLAND FARMINGQ2

RANGELANDQ2

GOMISHANQ2

Abstract

Introduction: Ecological condition in terms of drought, lack of precipitation, salinity of soil and water level restrict restoration of plant layer. Therefore, selection of the best managerial procedure is very important to provide vegetation to decrease the soil erosion. This research considers one of the unique ecosystem zones in terms of salinity, and high water level. The selected zone has been subjected overgrazing by animals in recent years, and this has resulted in intensified erosion and degredation of soil in the region.Materials and methods: To investigate the role of LAND USE and its effects on soil surface, two areas including two farmlands and one RANGELAND in the vicinity of the study area were selected. Soil sampling was done to measure the physical (texture and structure) and chemical (nitrogen, PH, EC, organic material) fuatures in the three areas. Sampling method used in this study consisted of taking 3 transects of 100 m long from each area as well as taking 3 rendom samples to the depth of 15 cm from each transect by spade. To measure the amount of soil permeability in each area (exclusion, RANGELAND, DRYLAND FARMING) 3 spots were selected randomly. This was performed in 3 replicates and totally 9 experiments were done.Results: The result of experiments indicated that exploitation in the form of RANGELAND and DRYLAND FARMING had not a meaningful effect on the soil texture, but increased the compressibility of soil surface. Consequently no meaningful effect was observed in nitrogen and organic content of the soil. LAND USE in the form of DRYLAND FARMING increased EC factor of soil, and in the form of RANGELAND had no meaningful effect on EC. The result of soil permeability experiment shows that the soil permeability in exclusion area is approximately 10 times and 9 times greater than soil permeability in the RANGELAND and the DRYLAND FARMING, respectively.Results and Discussion: With regard to the hazards of desertification in the study area, exploitation in any form of LAND USE (farming and pasture) should be viewed with hesitation. Considering the success of excluded area, decrease of salinity and increase of soil permeability, exclusion should be considered as an amendatory method.Dry farming can cause high salinity and decrease soil permeability. For this reason, it is required for that farmland to be converted to the implant pasture due to the low rate of precipitation in this zone.

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APA: Copy

MEHRANI, AZITA, RIAZI, BORHAN, JAVADI, SEYED AKBAR, & SHAHIDI HAMEDANI, KHOSRO. (2015). LAND USE ASSESSMENT IN GOMISHAN PLAIN (WITH EMPHASIS ON SOIL CHARACTERISTICS). JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, 16(SPECIAL ISSUE), 263-272. SID. https://sid.ir/paper/87000/en

Vancouver: Copy

MEHRANI AZITA, RIAZI BORHAN, JAVADI SEYED AKBAR, SHAHIDI HAMEDANI KHOSRO. LAND USE ASSESSMENT IN GOMISHAN PLAIN (WITH EMPHASIS ON SOIL CHARACTERISTICS). JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY[Internet]. 2015;16(SPECIAL ISSUE):263-272. Available from: https://sid.ir/paper/87000/en

IEEE: Copy

AZITA MEHRANI, BORHAN RIAZI, SEYED AKBAR JAVADI, and KHOSRO SHAHIDI HAMEDANI, “LAND USE ASSESSMENT IN GOMISHAN PLAIN (WITH EMPHASIS ON SOIL CHARACTERISTICS),” JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, vol. 16, no. SPECIAL ISSUE, pp. 263–272, 2015, [Online]. Available: https://sid.ir/paper/87000/en

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