Journal of Oil Palm Research Vol. 31 December 2019   p.  604-614
DOI: https://doi.org/10.21894/jopr.2019.0050

SIGNIFICANT QUALITY OF FRAGMENTED FORESTS IN OIL PALM PLANTATIONS: LESSON FROM THE ASSEMBLAGE STRUCTURE OF FROGS (Amphibia: Anura)

Author(s): RAMLAH ZAINUDIN*; ELVY QUATRIN DEKA*; MUHAMMAD FADZIL AMRAM*; SHARIZATTY MOHD RAIS*; NUR AMIRAH SUNGIF*; MARLY MATLEEN AUGUSTINE AGOH*; NOORAINA ATIRA ALAUDIN*; MOHAMAD AMIRUL AZMI* and JAYASILAN MOHD-AZLAN*

Being known as a good environmental indicator, the anuran is an ideal animal model for investigating the quality of High Conservation Value (HCV) areas (fragmented forests) in maintaining or enhancing biodiversity values in an oil palm plantation. Using non-metric multidimensional scaling (NMDS) frogs from forest fragments and oil palm were investigated and compared, to identify species assemblages and guild. Our findings showed that species diversity differed significantly between High Conservation Values and the plantation areas. The High Conservation Value showed highest percentage of species endemism, and species of conservation importance in the areas. The NMDS analysis further suggests that the anuran assemblages at the oil palm plantation were disjunctive as the HCV areas provide isolated assemblages to the anuran species, different from that of the plantations. The number of species was found to be significantly influenced by water temperature, turbidity, salinity, and level of dissolved oxygen. Overall, the HCV areas supports high species diversity, including endemic and near threatened species compared to the plantation areas. Hence, these HCV areas are functioning and should be maintained as high priority areas for faunal conservation in an oil palm plantation.

Keywords: , , , ,

Author Information
* Department of Zoology, Faculty of Resource Science and Technology, Universiti Malaysia Sarawak, 94300 Kota Samarahan, Sarawak, Malaysia.
E-mail: zramlah@unimas.my


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