Malaysian Applied Biology Journal

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Malays. Appl. Biol. (2007) 36(2): 33–40



1 School of Environmental and Natural Resource Sciences, Faculty of Science & Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
2 Associate Professor, Institute of Forestry and Environmental Sciences, University of Chittagong, Bangladesh
*E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it


The study was undertaken at Dulhazara Safari Park in Cox’s Bazar Forest Division of Bangladesh. The objectives were to investigate the species diversity of trees and characterize the structure of the stand. A total of 560 individuals with dbh (at 1.3 m) > 5cm of 82 species represented by 31 families and 62 genera were recorded from a 2-ha sampled area. The plot consisted of 50 stratified random sample plots of 20 m x 20 m quadrats. The identified four strata of trees were dominated by different species. Dipterocarpus turbinatus appeared to be dominated in the upper storey followed by Syzygium sp., Quercus sp., and Glochidion sp. in the lower storey. The percentage distribution of tree individuals in different dbh and height classes showed that most of the tree species were scatteredly distributed and varied in floristic structural composition among different strata. Euphorbiaceae contained the highest number of species (10) followed by the family Leguminosae (seven), Meliaceae (five), Moraceae (five), Dipterocapaceae (four), Anacardiaceae (four), Lauraceae (four), Myrtaceae (four) and the remaining families contained less than four species. The species within the genera were poorly represented. Syzygium had four species whereas Dipterocarpus, Ficus and Artocarpus had three species each only. The basal area was 56.02 m2 in 2-ha sampled area. Dipterocarpus turbinatus showed highest basal area (19.65%) out of the total. Importance value index (IVi) revealed that Dipterocarpaceae as the dominant family and Dipterocarpus turbinatus as the single dominant species in the area.

Key words: diversity, stand, conservation, Dulhazara Safari Park


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