Journal of Forestry Research

, Volume 15, Issue 4, pp 255–260 | Cite as

Comparative regeneration status in a natural forest and enrichment plantations of Chittagong (south) forest division, Bangladesh

  • M. Kamal Hossain
  • M. Lutfor Rahman
  • A. T. M. Rafiqul Hoque
  • M. Khairul Alam
Article

Abstract

The natural regeneration of the tree species in pure natural forest stand and enrichment plantations of Baraitali Forest of Chittagong (South) Forest Division, Bangladesh was studied by stratified random quadrat method during April 2002 to November 2002. Totally 100 plots of 3 m × 3 m in size represents a total of 64 regenerating tree species from natural forest with an average seedlings of 24 767/hm2, while only 40 regenerating tree species were recorded from enrichment plantations with an average seedlings of 18 633/hm2. Maximum regeneration in natural forest was found withCastanopsis spp. (2200 seedlings/hm2) followed byGlochidion lanceolarium (2183 /hm2) whereas, in enrichment plantations maximum regeneration was found withDipterocarpus gracilis (2117/hm2) followed byAnogeissus acuminata (2000/hm2). For natural forest, highest relative density was found forCastanopsis spp (8.88%), relative frequency forGlochidion lanceolarium (7.36%), relative abundance forSyzygium spp. (3.79%) and Importance Value Index were recorded withGlochidion lanceolarium (18.24%). The corresponding values for enrichment plantations were highest withDipterocarpus gracilis (11.36%),Glochidion lanceolarium (9.71%),Dipterocarpus gracilis (5.92%),Glochidion lanceolarium (23.32%) respectively. Stem per hectare of some common trees with their seedlings and saplings in both the natural stands and enrichment plantations showed that onlyDipterocarpus gracilis successfully recruited in both sites but recruitment was higher in natural forest. Like many other primary rain forests, the Baraitoli forest typically has both substantial seedlings and soil seed bank from which regeneration may occur. The naturally regenerated seedlings are quite dense but it could not reach the pole stage due to human interference.

Keywords

Regeneration Natural forest Enrichment plantations Relative density Frequency Abundance Importance Value Index 

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Copyright information

© Northeast Forestry University 2004

Authors and Affiliations

  • M. Kamal Hossain
    • 1
  • M. Lutfor Rahman
    • 1
  • A. T. M. Rafiqul Hoque
    • 1
  • M. Khairul Alam
    • 2
  1. 1.Institute of Forestry and Environmental SciencesUniversity of ChittagongChittagongBangladesh
  2. 2.Forest Botany DivisionBangladesh Forest Research InstituteChittagongBangladesh

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