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All Journal Journal of Degraded and Mining Lands Management Forest and Society
Kamlun, Kamlisa Uni
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Social Sciences

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Mapping the Demand for Ecosystem Services in Human-Dominated Topical Forest of Sabah, Malaysia Kamlun, Kamlisa Uni; Bürger-Arndt , Renate; Fatah , Fazleen Abdul
Forest and Society Vol. 8 No. 1 (2024): JUNE
Publisher : Forestry Faculty, Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24259/fs.v8i1.31485

Abstract

Mapping the demand for ecosystem services (ES) is a profoundly debated research topic that needs to be investigated further to overcome spatial discrepancies between supply and demand in the literature. This study proposes a holistic approach to valuing ES, which is demanded by local people living adjacent to Sabah’s protected area in the southwestern part of Sabah, Malaysia. To assess the local people's demand for ecosystem services, we applied the 'ES Matrix Assessment' method. Timber, global climate regulation, recreation, and ecotourism are selected to illustrate the changes in ES demand patterns reported in the Klias Peninsula region. To identify the ES required by local people based on land-cover type, we used a weighted arithmetic mean approach. Then, using multiple regressions, we identified socio-demographic characteristics that influence demand for ES obtained from the Klias Peninsula's tropical forest. The 6-point Likert scale results showed that timber received medium (3) to highly relevant demand (4) among local people in the forest ecosystem, while climate regulation demand was the most highly relevant demand (5) in the forest ecosystem, and recreation and ecotourism are highly demanded in the forest ecosystem and water-based area. Overall, ethnicity, source(s) of income, distance from the protected area, length of residence, and education level have influenced the population's perception of ecosystem service demand in peat swamp forest, mangrove, and forest land, and these factors are statistically significant at the 1% to 5% levels. Our approach possesses the advantage of being intuitively straightforward, making it easy to convey to stakeholders and decision-makers across various ecosystem service (ES) applications. Therefore, our approach, while relatively simple, remains realistic and easy to apply, effectively raising awareness about the utility of the ecosystem services concept for stakeholders and policymakers.
Assessing cocoa (Theobroma cacao L.) growth under facilitating tree stands of Neolamarckia cadamba and Falcataria moluccana with potential for land restoration Dumil, Haverdly; Bahrin, Mohammad Azriel; Triscca, Vhienna; M Khatta, Aida Nabihah; Kamlun, Kamlisa Uni; Muda, Boney; Hassan, Affendy; Awang Besar, Normah
Journal of Degraded and Mining Lands Management Vol. 12 No. 5 (2025)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2025.125.8875

Abstract

In the field of agroforestry, Theobroma cacao, Neolamarckia cadamba, and Falcataria moluccana are commonly employed to assess growth performance; however, research on their above-ground and below-ground characteristics remains limited. This study aimed to evaluate the growth performance and root distribution of these species within both monocropping and intercropping systems in Madai, Kunak, Sabah, for a six-month period. The study utilised 20 plots arranged in a Randomized Complete Block Design with five treatments: monocropping of T. cacao, N. cadamba, and F. moluccana, as well as intercropping combinations of N. cadamba with T. cacao and F. moluccana with T. cacao. Key metrics measured included height and diameter for above-ground growth, along with Specific Root Length (SRL), Root Length Density (RLD), and Root Biomass (RB) for below-ground growth. The findings indicated that in monocropping, T. cacao achieved an average height of 3.79 m and F. moluccana 5.11 m, while intercropping combinations exhibited various heights. Overall, T. cacao demonstrated robust height and root growth in monocropping systems, with no significant differences observed between above-ground and below-ground parameters.
Co-Authors Awang Besar, Normah Bahrin, Mohammad Azriel Bürger-Arndt , Renate Dumil, Haverdly Fatah , Fazleen Abdul Hassan, Affendy M Khatta, Aida Nabihah Muda, Boney Triscca, Vhienna