MAPPING BRANT'S OAK (QUERCUS BRANTII LINDL.) MORTALITY USING GEOSTATISTICAL METHODS IN DASHT-E BARM, FARS PROVINCE

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AHMADI SH.; ZAHEDI AMIRI GH.; MARVIE MOHADJER M.R.

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Journal: Iranian Journal of Forest and Poplar Research Year:2016 | Volume:24 | Issue:3 Page(s): 439-450

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Title

MAPPING BRANT'S OAK (QUERCUS BRANTII LINDL.) MORTALITY USING GEOSTATISTICAL METHODS IN DASHT-E BARM, FARS PROVINCE

Author(s)

AHMADI SH. | ZAHEDI AMIRI GH. | MARVIE MOHADJER M.R. | Issue Writer Certificate

Keywords

GEOSTATISTICQ2

MORTALITYQ1

OAKQ1

SPATIAL VARIATIONQ2

ZAGROSQ2

Abstract

This research was conducted to study the spatial distribution of Brant's OAK (Quercus brantii Lindl.) MORTALITY using GEOSTATISTICal prediction and mapping approaches in Dashte-e Barm, Fars province. Field sampling was performed based on a 500m×500m systematic random grid and 1200 m2 rectangular forest plots. Different GEOSTATISTICal methods were used for plotting anisotropic empirical semivariogram and surface creation. Results of cross validation showed that ordinary kriging with spherical model achieved superior results. The models were used for wall-to-wall prediction maps with four classes, including<10%, 10-25%, 25-60% and>60% MORTALITY. The 25-60%, MORTALITY class occupied the largest area (3827 ha), whereas the<10% class covered the smallest portion of the study area (260 ha). In addition, the probability of MORTALITY was spatially mapped, in which the probability of>60% tree MORTALITY across the entire study site was shown to be less than 25%. This research concluded that GEOSTATISTICal kriging methods could be applied to predict and map missing tree MORTALITY values in forest stands. Our analysis suggests that these methods can be used to generate prediction and probability maps in ZAGROS OAK stands for overarching goals such as forest MORTALITY, pest and disease managements.

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APA: Copy

AHMADI, SH., ZAHEDI AMIRI, GH., & MARVIE MOHADJER, M.R.. (2016). MAPPING BRANT'S OAK (QUERCUS BRANTII LINDL.) MORTALITY USING GEOSTATISTICAL METHODS IN DASHT-E BARM, FARS PROVINCE. IRANIAN JOURNAL OF FOREST AND POPLAR RESEARCH, 24(3), 439-450. SID. https://sid.ir/paper/111410/en

Vancouver: Copy

AHMADI SH., ZAHEDI AMIRI GH., MARVIE MOHADJER M.R.. MAPPING BRANT'S OAK (QUERCUS BRANTII LINDL.) MORTALITY USING GEOSTATISTICAL METHODS IN DASHT-E BARM, FARS PROVINCE. IRANIAN JOURNAL OF FOREST AND POPLAR RESEARCH[Internet]. 2016;24(3):439-450. Available from: https://sid.ir/paper/111410/en

IEEE: Copy

SH. AHMADI, GH. ZAHEDI AMIRI, and M.R. MARVIE MOHADJER, “MAPPING BRANT'S OAK (QUERCUS BRANTII LINDL.) MORTALITY USING GEOSTATISTICAL METHODS IN DASHT-E BARM, FARS PROVINCE,” IRANIAN JOURNAL OF FOREST AND POPLAR RESEARCH, vol. 24, no. 3, pp. 439–450, 2016, [Online]. Available: https://sid.ir/paper/111410/en

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