SPATIAL VARIABILITY OF QUANTITATIVE PROPERTIES OF ARTEMISIA AUCHERI AND SOME SOIL PROPERTIES USING GEOSTATISTICS IN VAVSAR RANGELAND OF SARI

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JAFARIAN Z.; KARGAR M.; GHORBANI J.

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Paper Information

Journal: IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH Year:2014 | Volume:21 | Issue:2 Page(s): 234-246

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Title

SPATIAL VARIABILITY OF QUANTITATIVE PROPERTIES OF ARTEMISIA AUCHERI AND SOME SOIL PROPERTIES USING GEOSTATISTICS IN VAVSAR RANGELAND OF SARI

Author(s)

JAFARIAN Z. | KARGAR M. | GHORBANI J. | Issue Writer Certificate

Keywords

SOIL PROPERTIESQ2

ARTEMISIA AUCHERIQ2

PRODUCTIONQ2

DENSITYQ2

CANOPY COVERQ2

VAVSAR RANGELANDQ2

Abstract

Spatial variability and heterogeneous geographical distribution of soil physical and chemical properties in rangeland ecosystems are affected by physical and biological factors including different managements, soil microclimate and topography, leading to the vegetation changes.Therefore, this research was aimed to study the spatial variability of PRODUCTION, DENSITY and CANOPY COVER of ARTEMISIA AUCHERI in the line with some SOIL PROPERTIES variability in VAVSAR RANGELANDs of Kiasar. The sampling method was random-systematic. A total of five transects of 100m length were selected in the study area with a distance of 100m on which 10 plots of 2m2 were established with a distance of 10m. Soil samples were taken from a depth of 0-15 in each plot. In addition, PRODUCTION, DENSITY and CANOPY COVER of ARTEMISIA AUCHERI were measured in each plot. According to the results of geostatistical analysis in GS+ software, the percentage of clay and the DENSITY of ARTEMISIA AUCHERI, showed the highest variation coefficients with the values of 82% and 53%, respectively. The variograms’ amplitude varied from 196.2m for PRODUCTION to 910m for the percentage of moisture, lime, EC, and CANOPY COVER. According to the results of cross validation, the models of lime percentage, DENSITY and PRODUCTION of ARTEMISIA AUCHERI showed spatial correlation, and, consequently, had higher accuracy to be used in Kiriging interpolation.

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APA: Copy

JAFARIAN, Z., KARGAR, M., & GHORBANI, J.. (2014). SPATIAL VARIABILITY OF QUANTITATIVE PROPERTIES OF ARTEMISIA AUCHERI AND SOME SOIL PROPERTIES USING GEOSTATISTICS IN VAVSAR RANGELAND OF SARI. IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH, 21(2), 234-246. SID. https://sid.ir/paper/107127/en

Vancouver: Copy

JAFARIAN Z., KARGAR M., GHORBANI J.. SPATIAL VARIABILITY OF QUANTITATIVE PROPERTIES OF ARTEMISIA AUCHERI AND SOME SOIL PROPERTIES USING GEOSTATISTICS IN VAVSAR RANGELAND OF SARI. IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH[Internet]. 2014;21(2):234-246. Available from: https://sid.ir/paper/107127/en

IEEE: Copy

Z. JAFARIAN, M. KARGAR, and J. GHORBANI, “SPATIAL VARIABILITY OF QUANTITATIVE PROPERTIES OF ARTEMISIA AUCHERI AND SOME SOIL PROPERTIES USING GEOSTATISTICS IN VAVSAR RANGELAND OF SARI,” IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH, vol. 21, no. 2, pp. 234–246, 2014, [Online]. Available: https://sid.ir/paper/107127/en

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