A baseline measure of tree and gastropod biodiversity in replanted and natural mangrove stands in Malaysia: Langkawi island and sungai merbok

Brenda Hookham, Aileen Tan Shau-Hwai, Benoit Dayrat, William Hintz

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The diversities of mangrove trees and of their associated gastropods were assessed for two mangrove regions on the west coast of Peninsular Malaysia: Langkawi Island and Sungai Merbok. The mangrove area sampled on Langkawi Island was recently logged and replanted, whereas the area sampled in Sungai Merbok was part of a protected nature reserve. Mangrove and gastropod diversity were assessed in four 50 m2 (10 × 5 m) sites per region. The species richness (S), Shannon Index (H') and Evenness Index (J') were calculated for each site, and the mean S, H' and J' values were calculated for each region. We report low tree and gastropod S, H' and J' values in all sites from both regions. For Langkawi Island, the mean S, H' and J' values for mangrove trees were S = 2.00±0, H' = 0.44±0.17 and J' = 0.44±0.17; the mean S, H' and J' values for gastropods were S = 4.00±1.63, H' = 0.96±0.41 and J' = 0.49±0.06. In Sungai Merbok, the mean S, H' and J' values for mangrove trees were S = 1.33±0.58, H' = 0.22±0.39 and J' = 0.22±0.39; the mean S, H' and J' values for gastropods were S = 4.75±2.22, H' = 1.23±0.63 and J' = 0.55±0.12. This study emphasises the need for baseline biodiversity measures to be established in mangrove ecosystems to track the impacts of anthropogenic disturbances and to inform management and restoration efforts.

Original languageEnglish (US)
Pages (from-to)1-12
Number of pages12
JournalTropical Life Sciences Research
Volume25
Issue number1
StatePublished - Aug 2014

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Gastropoda
Biodiversity
Malaysia
Islands
Ecosystems
Restoration
Coastal zones
biodiversity
anthropogenic activities
Ecosystem
conservation areas
coasts
species diversity
ecosystems

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

Cite this

@article{477debded52a45fe8eee5c261c4e854e,
title = "A baseline measure of tree and gastropod biodiversity in replanted and natural mangrove stands in Malaysia: Langkawi island and sungai merbok",
abstract = "The diversities of mangrove trees and of their associated gastropods were assessed for two mangrove regions on the west coast of Peninsular Malaysia: Langkawi Island and Sungai Merbok. The mangrove area sampled on Langkawi Island was recently logged and replanted, whereas the area sampled in Sungai Merbok was part of a protected nature reserve. Mangrove and gastropod diversity were assessed in four 50 m2 (10 × 5 m) sites per region. The species richness (S), Shannon Index (H') and Evenness Index (J') were calculated for each site, and the mean S, H' and J' values were calculated for each region. We report low tree and gastropod S, H' and J' values in all sites from both regions. For Langkawi Island, the mean S, H' and J' values for mangrove trees were S = 2.00±0, H' = 0.44±0.17 and J' = 0.44±0.17; the mean S, H' and J' values for gastropods were S = 4.00±1.63, H' = 0.96±0.41 and J' = 0.49±0.06. In Sungai Merbok, the mean S, H' and J' values for mangrove trees were S = 1.33±0.58, H' = 0.22±0.39 and J' = 0.22±0.39; the mean S, H' and J' values for gastropods were S = 4.75±2.22, H' = 1.23±0.63 and J' = 0.55±0.12. This study emphasises the need for baseline biodiversity measures to be established in mangrove ecosystems to track the impacts of anthropogenic disturbances and to inform management and restoration efforts.",
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A baseline measure of tree and gastropod biodiversity in replanted and natural mangrove stands in Malaysia : Langkawi island and sungai merbok. / Hookham, Brenda; Shau-Hwai, Aileen Tan; Dayrat, Benoit; Hintz, William.

In: Tropical Life Sciences Research, Vol. 25, No. 1, 08.2014, p. 1-12.

Research output: Contribution to journalArticle

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