Parhizkar, P., Sagheb-Talebi, K., Mattaji, A., Namiranian, M., Hasani, M., Mortazavi, M. (2011). Tree and regeneration conditions within development stages in Kelardasht beech forest (Case study: reserve area-Langa). , 19(1), 153-141. doi: 10.22092/ijfpr.2011.107624
pejman Parhizkar; Khosro Sagheb-Talebi; Asadollah Mattaji; Manouchehr Namiranian; Majeid Hasani; Mohammad Mortazavi. "Tree and regeneration conditions within development stages in Kelardasht beech forest (Case study: reserve area-Langa)". , 19, 1, 2011, 153-141. doi: 10.22092/ijfpr.2011.107624
Parhizkar, P., Sagheb-Talebi, K., Mattaji, A., Namiranian, M., Hasani, M., Mortazavi, M. (2011). 'Tree and regeneration conditions within development stages in Kelardasht beech forest (Case study: reserve area-Langa)', , 19(1), pp. 153-141. doi: 10.22092/ijfpr.2011.107624
Parhizkar, P., Sagheb-Talebi, K., Mattaji, A., Namiranian, M., Hasani, M., Mortazavi, M. Tree and regeneration conditions within development stages in Kelardasht beech forest (Case study: reserve area-Langa). , 2011; 19(1): 153-141. doi: 10.22092/ijfpr.2011.107624

Tree and regeneration conditions within development stages in Kelardasht beech forest (Case study: reserve area-Langa)

تحقیقات جنگل و صنوبر ایران
Article 13, Volume 19, Issue 1 - Serial Number 43, March 2011, Pages 153-141    PDF (3.08 M)
Document Type: Research article
DOI: 10.22092/ijfpr.2011.107624
Authors
pejman Parhizkar* 1; Khosro Sagheb-Talebi2; Asadollah Mattaji3; Manouchehr Namiranian4; Majeid Hasani5; Mohammad Mortazavi6
1Ph.D. student of forestry, Islamic Azad University, Science and Research Branch
2Associate Prof., Research Institute of Forests and Rangelands
3Associate Prof., Islamic Azad University, Science and Research Branch
4Professor, Faculty of Natural Resources, University of Tehran
5Research expert, Research Institute of Forests and Rangelands
6M.Sc. of Forestry, Forest, Range and Watershed Organization
Abstract
This study was carried out in the reserve area of district one of Langa region in Kelardasht. Development stages including initial, optimal and decay were identified and one sample plot with one hectare area  (100 m×100 m) was selected in each development stage. Quantitative characteristics of saplings with diameter at breast height less than 7.5cm were determined in the micro plots. One hemispherical photograph was taken by Fish-eye camera lens in order to study the status of light in development stages as well as the relationship between quantitative and qualitative characteristics of saplings and relative light intensity. Light intensity parameters were processed by Gap Light Analyzer (GLA) V.2 software. Results showed that mean frequency of seedlings and saplings and mean annual height growth increased by increasing of relative light intensity in the decay stage. Frequency of trees decreased from initial to optimal stage and then towards decay stages. Maximum and minimum of stocked volume was measured at initial and decay stages, respectively. Stocked volume of larger timber classes in development stages was higher than small timber classes. Considering the obtained results, we can recommend to establish the regeneration in the optimal stage by creating gap and can improve the quality of the regeneration in the initial and decay stages by silvicultural interventions.  
 
Keywords
beech; development stages; GLA; relative light intensity; reserve area
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