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Ecopersia، جلد ۱۲، شماره ۳، صفحات ۲۴۷-۲۵۹
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عنوان انگلیسی Structural Dynamics and Successional Trajectories in Zagros Mountain Oak Coppice Forests
چکیده انگلیسی مقاله Aims: The study aims to examine the structural modifications, successional trajectories, and plant diversity within semi-arid oak coppices, utilizing a comprehensive dataset obtained from an extensive land survey.
Materials & Methods: The study was conducted in a 175 km strip of Zagros Mountain forests dominated by Quercus brantii. 94 even-aged stands from 14 forests were selected. Various structural attributes, including tree density, basal area, canopy cover, and plant diversity measures were evaluated. Vascular flora was documented for each successional stage using the Raunkiær plant life-form classification. Data analysis involved ordination, clustering, and multivariate techniques.
Findings: Density, Holdridge complexity index, basal area and cover were identified as the most influential variables. Two main trajectories, progressive and retrogressive, were identified, with a total of 8 successional stages Significant differences in structural variables were observed across trajectories, with plant diversity peaking in the middle stages. The later stages of the progressive trajectory showed a significant increase in the relative cover and basal area of Fraxinus rotundifolia. The study demonstrates the existence of a progressive successional trajectory in unmanaged coppice forests, influenced by disturbances. Stand age, average diameter of sprout-clumps, and flora diversity do not solely determine the successional stages within this trajectory.
Conclusion: The study identified potential for a progressive trajectory in forests with appropriate density and cover. However, transforming these coppices into high-forests is unlikely. Active management beyond just protection is recommended. Such interventions can enhance resilience, diversity and ensure sustainable woodlands in the region.
کلیدواژه‌های انگلیسی مقاله Woodland resilience,Floristic diversity,Vegetative regeneration,Quercus brantii,Semi-arid forests
نویسندگان مقاله | Foroogh Bahmani
Department of Forest Science, Faculty of Natural Resources and Earth Science, Shahrekord University, Shahrekord, Iran


| Ali Soltani
Department of Forest Science, Faculty of Natural Resources and Earth Science, Shahrekord University, Shahrekord, Iran


| Davood Mafi-Gholami
Department of Forest Science, Faculty of Natural Resources and Earth Science, Shahrekord University, Shahrekord, Iran
نشانی اینترنتی http://ecopersia.modares.ac.ir/browse.php?a_code=A-10-82782-1&slc_lang=en&sid=24
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