Abstract
This study evaluated the greenhouse gas (GHG) emissions reduction potential of utilizing empty fruit bunch (EFB) pellets from Indonesia as a power generation fuel in Japan. EFB is commonly processed through mulching or combustion; thus, these methods were used as the reference scenarios to compare emissions with EFB pellet utilization. Additionally, we assessed whether EFB pellets could outperform coal-fired and liquid natural gas (LNG) combined cycle power
Abstract
Gum rosin, a distillation product of pine sap with turpentine as a co-product, is a significant non-timber forest product (NTFP) in Indonesia. This study evaluated the social sustainability of gum rosin production across four factories in Central Java during a three-year period of 2020–2022 through a Social Life Cycle Assessment (SLCA). The study focused on social performance and identifying social hotspots using the Subcategory Assessment Method (SAM) based
Abstract:
This research aimed to analyze variation of the anatomical characteristics (cell dimension and proportion) in axial and radial direction of Acacia aulacocarpaplanted in Indonesia. Three trees of 27-year-old A. aulacocarpaplanted in Gunung Kidul Yogyakarta were used. This research covered a completely randomized design with two factors, the axial direction (base, middle, and top of the stem) and the radial direction (near pith, middle, andnear bark) in triplicate.
Abstract
To switch the origins of wood resources from natural to planted forests, evaluation of wood from planted trees is essential. The objective of this study is to provide the relevant wood properties promoting the utilization of wood from planted trees in the tropics. Growth characteristics (stem diameter at 1.3 m above the ground and tree height) and stress-wave velocity of stems were measured for two six-year-old red meranti species, Rubroshorea leprosula and
Abstract
Pinus merkusii shows great potential as a resin-producing wood in Indonesia, with the global demand for pine resin reaching 1 million tons annually. This study investigated the effect of ethephon on the anatomical properties of P. merkusii, particularly the resin duct that affects resin productivity, to increase the efficiency of pine resin tapping. Ethephon was mixed with Vaseline to create concentrations of 0%, 2%, 4%, and 8% and then applied to the seedlings
Kepada seluruh Staf Pendidik Fakultas Kehutanan Universitas Gadjah Mada, dalam meningkatkan iklim diseminasi hasil-hasil penelitian di lingkungan Fakultas Kehutanan Universitas Gadjah Mada, dengan ini kami sampaikan informasi bahwa Fakultas Kehutanan UGM menawarkan Hibah Bantuan Publikasi dalam lima skema dan satu skema penghargaan sebagai berikut.
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Abstract
Coffee is commonly cultivated under agroforestry systems, including dry-field and homegarden. These systems were differentiated based on their proximity to the settlements, which might influence the species composition. This study aimed to observe plant composition, diversity, vegetation structure, and microclimate in coffee agroforestry systems and the physiological conditions of coffee. The experimental design was based on purposive sampling. A total of 100
Abstract
The development of bamboo as a raw material for construction materials has drawbacks, including low physical properties. Therefore, this work aimed to determine the physical and mechanical properties of laminated boards modified with citric acid, boric acid, and polystyrene. In addition, the study analysed the optimum immersion time and the phenomenon of the modifications provided. Two-step conditions were designed for the immersion of bamboo lamina. The first
Abstract
Understanding drought propagation is essential for effective water resource management. This study employs an innovative approach to examine the transition from meteorological drought (MD) to hydrological drought (HD) in the Upper Nan Watershed (UNW), Thailand, using the standardized precipitation evapotranspiration index (SPEI) and standardized streamflow index (SSI). Cross-wavelet transform (XWT) and Pearson’s correlation analyses reveal a significant positive
