Modelling of sprouting potential of the Quercus brantii in coppice stands of central Zagros

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SADEGHI KAJI H.; SOLTANI A.; Kahyani S.

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Journal: FOREST RESEARCH AND DEVELOPMENT Year:2020 | Volume:6 | Issue:1 Page(s): 107-120

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Title

Modelling of sprouting potential of the Quercus brantii in coppice stands of central Zagros

Author(s)

SADEGHI KAJI H. | SOLTANI A. | Kahyani S. | Issue Writer Certificate

Keywords

CoppiceQ1

Logistic regressionQ1

ModellingQ2

Quercus brantiiQ2

Zagros forestQ1

Abstract

Determination of the sprouting potential of the Quercus brantii, the relationship between the shoots variables with the stump diameter and the number of shoots in each stool are the objectives of this study. For these purposes, a total of 93 stumps in the coppicing stands in Chaharmahal and Bakhtiari Province were selected in a growth period of personal protection. The logistic model was used to determine the potential for sprouting with age and stump diameter variables. The relationship between the shoots variables with a different model (linear and non-linear) was investigated. The results of the logistic model showed that a model including the stump diameter is the appropriate model for determining the potential of sprouting. The polynomial model in terms of model selection criteria among other models showed better results for estimating the three variable include dominant heights, mean height and number of shoots in each stool. The highest coefficient of determination (R² adj = 0. 639) and the best result for the selection criteria of the model were the numbers of shoots per stool with the stump diameter. The results of ANOVA analysis showed that there were significant differences between different diameter classes. There is no significant difference between 5-25 cm and 25-55 cm diameters classes.

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APA: Copy

SADEGHI KAJI, H., SOLTANI, A., & Kahyani, S.. (2020). Modelling of sprouting potential of the Quercus brantii in coppice stands of central Zagros. FOREST RESEARCH AND DEVELOPMENT, 6(1 ), 107-120. SID. https://sid.ir/paper/386327/en

Vancouver: Copy

SADEGHI KAJI H., SOLTANI A., Kahyani S.. Modelling of sprouting potential of the Quercus brantii in coppice stands of central Zagros. FOREST RESEARCH AND DEVELOPMENT[Internet]. 2020;6(1 ):107-120. Available from: https://sid.ir/paper/386327/en

IEEE: Copy

H. SADEGHI KAJI, A. SOLTANI, and S. Kahyani, “Modelling of sprouting potential of the Quercus brantii in coppice stands of central Zagros,” FOREST RESEARCH AND DEVELOPMENT, vol. 6, no. 1 , pp. 107–120, 2020, [Online]. Available: https://sid.ir/paper/386327/en

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