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All Journal BIOTROPIA - The Southeast Asian Journal of Tropical Biology Jurnal Sylva Lestari
Suratman, Mohd Nazip
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Energy Environmental Science Immunology & microbiology Materials Science & Nanotechnology Veterinary

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ENDEMISM AND CONSERVATION STATUS OF TREE SPECIES OF FRESHWATER SWAMP FOREST, PERAK TENGAH, MALAYSIA Nawi, Liliwirianis; Suratman, Mohd Nazip; Yusof, Farida Zuraina Mohd; Mohamad, Abdul Latiff
BIOTROPIA Vol. 31 No. 2 (2024): BIOTROPIA Vol. 31 No. 2 August 2024
Publisher : SEAMEO BIOTROP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11598/btb.2024.31.2.1874

Abstract

ARTICLE HIGHLIGHTS- Approximately 3,364 tree individuals with a diameter at breast height (dbh) of 10.0 cm and above were assessed in the Perak Tengah freshwater swamp forest. - The study has recognised 58 species identified are new to Perak.- 72 tree species are listed as endemic, and 194 species are listed in the Red List of Threatened Species by The International Union for Conservation of Nature (IUCN).- This study mphasize the need to preserve ecology and mitigate threats. ABSTRACTThe forests of Peninsular Malaysia have long been recognized as a significant home of endemic species. The purpose of this study was to assess the endemism and conservation status of tree species present in the Perak Tengah freshwater swamp forest. A total of 150 plots (20 m × 20 m) were established in the study area using a random sampling design. Approximately 3,364 tree individuals with diameter at breast height (dbh) of 10.0 cm and above were enumerated in all plots. In the study area, 58 species identified are new to Perak, 72 tree species are listed as endemic, and 194 species are listed in the Red List of Threatened Species by IUCN. Thus, it is crucial to preserve the ecology and lessen the impact of threats in the Perak Tengah freshwater swamp forest, which is home to numerous endemic and endangered species.
Identification of Key Actors in the Conservation of Amorphophallus gigas in North Sumatra Using the MACTOR Method Rambey, Ridahati; Rahmawaty; Rauf, Abdul; Nababan, Esther Sorta Mauli; Ismail, Mohd Hasmadi; Suratman, Mohd Nazip
Jurnal Sylva Lestari Vol. 14 No. 2 (2026): May
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v14i2.1255

Abstract

Indonesia’s tropical forests harbor exceptional plant diversity; however, rising global demand for forest-based commodities is intensifying extraction and increasing the risk of extinction. In North Sumatra, Amorphophallus gigas persists within community-managed agroforestry understorey systems, yet a surge in tuber demand since 2019 has accelerated harvesting and expanded trade networks from local collectors to export markets. These pressures threaten the species and highlight the need to identify and coordinate key actors in governing sustainable harvesting and habitat management. This study applies a prospective mixed qualitative–quantitative approach, combining in-depth interviews with farmers, village authorities, collectors, government agencies, academics, non-governmental organizations, industry representatives, and exporters. The MACTOR method was used to assess actor influence and dependence and to map convergence and divergence across three objectives: species conservation, agroforestry habitat protection, and income-oriented cultivation. Results indicate that the Center for Conservation of Natural Resources (BBKSDA) North Sumatra is the most influential and least dependent actor, while farmers remain highly dependent despite managing most habitats on private land. Habitat protection is the most mobilizing objective but shows substantial divergence, reflecting unresolved trade-offs between conservation and cultivation. These findings underscore governance imbalances and the need for inclusive, adaptive strategies, including farmer incentives, capacity building, formalized harvesting rules, and synergies between ex situ conservation and sustainable agroforestry. Keywords: actor, Amorphophallus gigas, conservation, MACTOR, Sustainability
Co-Authors Abdul Rauf Ismail, Mohd Hasmadi Mohamad, Abdul Latiff Nababan, Esther Sorta Mauli Nawi, Liliwirianis Rahmawaty Yusof, Farida Zuraina Mohd