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Information Journal Paper

Title

Evaluation of probability-statistical functions in order to fit canopy classes of trees in Chartagh forests

Pages

  49-57

Abstract

 Background and Objective: The distribution of canopy classes is the most important structural characteristics of Zagros forest stands. Determining the fitting pattern of canopy classes in Zagros forests shows that, the overall status of these forests from the destruction process and ecological sequence points of view at different times. The aim of this research was to evaluate of probabilitystatistical functions in order to fit canopy classes of trees in Chartagh forests of Ardal city, Chaharmahal ve Bakhtiari, Iran. Material and Methodology: For this purpose, an area of 50 hectares in Ardal forests was selected (3157 trees) were fully callipered and statistically analyzed. Exponential, Gamma, Normal, Beta, Weibull and Log-normal probability distribution patterns were fitted to crown canopy classes. Characteristics of distribution patterns were estimated using maximum likelihood method. Kolmogorov-Smirnov, Anderson-Darling and Chi-square tests were used for comparing of actual probability and probability which derived from functions. Findings: The results of fitting tests showed that log-normal probability distribution was suitable for canopy classes modelling in Chartagh forests. Discussion and Conclusion: Log-normal probability distributions can be used for those who want to simulate changes of forests.

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    APA: Copy

    MIRZAEI, MEHRDAD, Moradi Emamgheysi, Ismaeil, ESLAM BONYAD, AMIR, & Hassanzad Navroodi, Iraj. (2022). Evaluation of probability-statistical functions in order to fit canopy classes of trees in Chartagh forests. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, 24(3 (118) ), 49-57. SID. https://sid.ir/paper/1064023/en

    Vancouver: Copy

    MIRZAEI MEHRDAD, Moradi Emamgheysi Ismaeil, ESLAM BONYAD AMIR, Hassanzad Navroodi Iraj. Evaluation of probability-statistical functions in order to fit canopy classes of trees in Chartagh forests. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY[Internet]. 2022;24(3 (118) ):49-57. Available from: https://sid.ir/paper/1064023/en

    IEEE: Copy

    MEHRDAD MIRZAEI, Ismaeil Moradi Emamgheysi, AMIR ESLAM BONYAD, and Iraj Hassanzad Navroodi, “Evaluation of probability-statistical functions in order to fit canopy classes of trees in Chartagh forests,” JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, vol. 24, no. 3 (118) , pp. 49–57, 2022, [Online]. Available: https://sid.ir/paper/1064023/en

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