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
Abstract
This study examines four regression models to estimate tree-level above-ground carbon stock (AGC) in the clonal teak plantations of Wanagama Forest, Indonesia using a data fusion of UAV-LiDAR and RGB aerial imagery. Data collected in the field were diameter at breast height and tree height. Vegetation indices were derived from the visible bands of a georeferenced orthomosaic captured by DJI Mavic 2 Pro. The LiDAR data was obtained using GeoSun GS-100M device
Abstract
We explore the impact of teaching methods and learning styles on student engagement in a conservation education program focused on primate conservation in Indonesia. Engaging students is essential for fostering environmental literacy and encouraging pro-environmental behaviours. We assessed the effectiveness of active versus didactic teaching methods and visual, auditory, and kinaesthetic learning styles in enhancing engagement. Using a formative assessment
Abstract
land limitation dramatically affects people with land-based livelihoods, such as farmers, andis often an obstacle to earning sufficient income for their family’s needs. Privately ownedforests (POFs) are a land-based farming activity with a long history in indonesian society. thisstudy aimed to determine the socio-economic conditions, inequality, poverty, and livelihooddynamics of POF farmers. the research was conducted in three villages in ciamis Regency,West
