Regeneration Potentials of Native Tree Species Diversity in Himchari National Park (HNP), Cox's Bazar, Bangladesh

Saddam Hossen; Mohammed Kamal Hossain; Mohammad Fahim Uddin

doi:10.36808/if/2019/v145i6/146196

Regeneration Potentials of Native Tree Species Diversity in Himchari National Park (HNP), Cox's Bazar, Bangladesh

Authors

Saddam Hossen Institute of Forestry and Environmental Sciences, University of Chittagong
Mohammed Kamal Hossain Institute of Forestry and Environmental Sciences, University of Chittagong
Mohammad Fahim Uddin Institute of Forestry and Environmental Sciences, University of Chittagong

DOI:

https://doi.org/10.36808/if/2019/v145i6/146196

Keywords:

Regeneration, Importance Value Index, Biological Diversity, Native Tree.

Abstract

Natural regeneration status of native tree species of Himchari National Park (HNP) was assessed through stratified random sampling method during January 2017 to May 2018. For regeneration study, about 51 subplots (5Ã—5m) were taken at the centre of each of the 51 sample quadrats (20m x 20m). A total of 760 seedlings of 41 species under 21 families were recorded in HNP. About 57.14% (12) families were represented by only one species and 14% (3) by more than two species. Highest (14.34%) family relative density was represented by Myrtaceae family followed by Dipterocarpaceae (12.37%) family. Family relative diversity was also found maximum (12.12%) for each Myrtaceae and Moraceae family followed by Mimosaceae (9.76%) family. Maximum (26.54) FIV index was found for Myrtaceae followed by Mimosaceae (21.99). The highest number of seedlings was accounted for Grewia nervosa 12.37 % (94) followed by Acacia auriculiformis 8.95% (68). The maximum IVI of regenerated seedlings was found for Grewia nervosa (26.43) followed by Acacia auriculiformis (20.27). Different biological diversity indices such as species diversity index, Shanon-Wiener's diversity index, Shanon's maximum diversity index, species evenness index, Margalef's diversity index and Simpson's diversity index were 0.054, 3.166, 3.714, 0.853, 6.03 and 0.057 respectively.

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