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Effect of Final Felling on Natural Regeneration in Rhizophora dominated Forests of Matang Mangrove Reserve

P. B. L. Srivastava and Abdullah Sani Bin Shaffie

Pertanika Journal of Tropical Agricultural Science, Volume 2, Issue 1, July 1979

Keywords: Mangrove; natural regeneration

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A study was undertaken to determine the effect of final felling on the natural regeneration of mangrove forests in Matang Reserve. Two adjoining compartments (nos. 38 and 39) having typical Rhizophora forests and belonging to innundation classes III and IV were located from which three plots which were ready for felling and another three which had been felled during the past six months, were sampled. Although, four species were recorded both at pre-felling and post-felling stages, the most common were Rhizophora apiculata and Bruguiera parviflora. The former was more abundant than the latter in most of the plots. All the plots were highly stocked particularly with Rhizophora seedlings. Both the species showed considerable variation in different height classes in between the plots both at prefelling and post-felling stages. Before felling the maximum number of seedlings of Rhizophora belonged to I' - 5f height class (72%) those below T and between 5' - 10' accounted for 25 per cent and 3 per cent respectively. After felling, the pattern was the same but the proportion of the seedlings in V - 5' group decreased to54 per cent. Those below V increased in number. A pronounced deleterious effect was not observed on the stocking of Rhizophora seedlings in compartment 38 after logging, The reverse was true in the overcrowded compartment 39. In the case of B. parviflora, the highest number of seedlings belonged to the Hi (below V) class (over 80% of the total) both before and after logging. An increase of about 16% was recorded in the number of this species in logged-over plot 6. However, most of the plots in the present study were found to be adequately stocked with Rhizophora seedlings.

ISSN 1511-3701

e-ISSN 2231-8542

Article ID

PERT-0029-1979

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