Community structure at two compartments of a disturbed mangrove forests at pulau langkawi

W. I. Wan Norilani, Wan Juliana Wan Ahmad, A. Latiff, Muhamad Razali Salam

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

A study on floristic composition and estimation of above ground biomass of trees was carried out in two areas of disturbed mangroves at Kisap Forest Reserve, Pulau Langkawi. Two compartments that were selected was based on the different types of disturbances, i.e. compartment 5 (C5) was disrupted by human harvesting activities of mangrove trees for charcoal production, while compartment 7 (C7) was naturally disturbed from lightning strikes. In C5, a total of 1,217 trees measuring 1 cm DBH and above were enumerated in the plots of 0.25 ha which included 7 species and 5 genera in 3 families, i.e. Rhizophoraceae, Meliaceae and Avicenniaceae. In C7, a total of 390 individual trees of 8 species, 5 genera and 3 families were recorded. The three families recorded in C7 were also common in C5. Rhizophoraceae was recorded as the family with highest density in both compartments. Ceriops tagal had the highest density in C5, while Rhizophora apiculata was the most prominent species in the C7. Total basal area that represents tree coverage showed C5 had a value of 7.767 m2/ha with C. tagal as the major contributor at 5.022m2/ha. Total coverage in C7 was 18.184 m2/ha that was mostly contributed by R. apiculata at 11.135 m2/ha. Ceriops tagal (22.41 t/ha) and R. apiculata (111.75 t/ha), were the main contributors to the total biomass in C5 (37.34 t/ha) and C7 (162.29 t/ha), respectively. The distribution of individuals of six tree size classes in C7 was homogenous compared to that of C5, which had more saplings. In this study, the total biomass indicated that anthropogenic activities resulted in lower productivity of forest compared to natural disturbance. Therefore, conservation efforts of mangrove forest should be enhance in the management of mangrove forest in Pulau Langkawi.

Original languageEnglish
Title of host publicationAIP Conference Proceedings
PublisherAmerican Institute of Physics Inc.
Pages790-794
Number of pages5
Volume1614
ISBN (Print)9780735412507
DOIs
Publication statusPublished - 2014
Event2014 Postgraduate Colloquium of the Universiti Kebangsaan Malaysia, Faculty of Science and Technology, UKM FST 2014 - Selangor, Malaysia
Duration: 9 Apr 201411 Apr 2014

Other

Other2014 Postgraduate Colloquium of the Universiti Kebangsaan Malaysia, Faculty of Science and Technology, UKM FST 2014
CountryMalaysia
CitySelangor
Period9/4/1411/4/14

Fingerprint

compartments
biomass
disturbances
charcoal
lightning
productivity
conservation

Keywords

  • Biomass
  • Disturbance
  • Forest structure
  • Mangrove
  • Pulau langkawi

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Wan Norilani, W. I., Wan Ahmad, W. J., Latiff, A., & Salam, M. R. (2014). Community structure at two compartments of a disturbed mangrove forests at pulau langkawi. In AIP Conference Proceedings (Vol. 1614, pp. 790-794). American Institute of Physics Inc.. https://doi.org/10.1063/1.4895303C

Community structure at two compartments of a disturbed mangrove forests at pulau langkawi. / Wan Norilani, W. I.; Wan Ahmad, Wan Juliana; Latiff, A.; Salam, Muhamad Razali.

AIP Conference Proceedings. Vol. 1614 American Institute of Physics Inc., 2014. p. 790-794.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Wan Norilani, WI, Wan Ahmad, WJ, Latiff, A & Salam, MR 2014, Community structure at two compartments of a disturbed mangrove forests at pulau langkawi. in AIP Conference Proceedings. vol. 1614, American Institute of Physics Inc., pp. 790-794, 2014 Postgraduate Colloquium of the Universiti Kebangsaan Malaysia, Faculty of Science and Technology, UKM FST 2014, Selangor, Malaysia, 9/4/14. https://doi.org/10.1063/1.4895303C
Wan Norilani WI, Wan Ahmad WJ, Latiff A, Salam MR. Community structure at two compartments of a disturbed mangrove forests at pulau langkawi. In AIP Conference Proceedings. Vol. 1614. American Institute of Physics Inc. 2014. p. 790-794 https://doi.org/10.1063/1.4895303C
Wan Norilani, W. I. ; Wan Ahmad, Wan Juliana ; Latiff, A. ; Salam, Muhamad Razali. / Community structure at two compartments of a disturbed mangrove forests at pulau langkawi. AIP Conference Proceedings. Vol. 1614 American Institute of Physics Inc., 2014. pp. 790-794
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AB - A study on floristic composition and estimation of above ground biomass of trees was carried out in two areas of disturbed mangroves at Kisap Forest Reserve, Pulau Langkawi. Two compartments that were selected was based on the different types of disturbances, i.e. compartment 5 (C5) was disrupted by human harvesting activities of mangrove trees for charcoal production, while compartment 7 (C7) was naturally disturbed from lightning strikes. In C5, a total of 1,217 trees measuring 1 cm DBH and above were enumerated in the plots of 0.25 ha which included 7 species and 5 genera in 3 families, i.e. Rhizophoraceae, Meliaceae and Avicenniaceae. In C7, a total of 390 individual trees of 8 species, 5 genera and 3 families were recorded. The three families recorded in C7 were also common in C5. Rhizophoraceae was recorded as the family with highest density in both compartments. Ceriops tagal had the highest density in C5, while Rhizophora apiculata was the most prominent species in the C7. Total basal area that represents tree coverage showed C5 had a value of 7.767 m2/ha with C. tagal as the major contributor at 5.022m2/ha. Total coverage in C7 was 18.184 m2/ha that was mostly contributed by R. apiculata at 11.135 m2/ha. Ceriops tagal (22.41 t/ha) and R. apiculata (111.75 t/ha), were the main contributors to the total biomass in C5 (37.34 t/ha) and C7 (162.29 t/ha), respectively. The distribution of individuals of six tree size classes in C7 was homogenous compared to that of C5, which had more saplings. In this study, the total biomass indicated that anthropogenic activities resulted in lower productivity of forest compared to natural disturbance. Therefore, conservation efforts of mangrove forest should be enhance in the management of mangrove forest in Pulau Langkawi.

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