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INDONESIA
Jurnal Hutan Tropika
Published by Universitas Palangka Raya
ISSN : 16937643     EISSN : 26569736     DOI : https://doi.org/10.36873/jht.v14i1.327
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
adalah jurnal yang memiliki fokus dalam bidang ilmu dan teknologi kehutanan tropika serta semua aspek yang terkait dengan bidang ini. Jurnal ini memiliki ISSN: 1693-7643. Jurnal Hutan Tropika diikelola oleh jurusan Kehutanan, Fakultas Pertanian, Universitas Palangka Raya (Jurnal Hutan Tropika is a journal that focused on science and technology of tropical forestry and also all aspects concerned. This journal has ISSN: 1693-7643. Journal Hutan Tropika is managed by Forestry Department, Faculty of Agricultural, Universitas Palangka Raya)
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Kehutanan
Articles 400 Documents
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Kualitas Papan Partikel Kayu Limbah Gergajian Meranti Putih dan Purun Danau Menggunakan Perekat Poliuretan: The Quality of Particleboards from White from Waste Wood Meranti and Purun Danau Sawdust Using Polyurethane Adhesive Indrayanti, Lies; Santoso, Mahdi; Yanarita, Yanarita; Saragih, Jon Riston
JURNAL HUTAN TROPIKA Vol 20 No 2 (2025): Volume 20 Nomor 2 Tahun 2025
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v20i2.23857

Abstract

This study aims to evaluate the quality of particleboard made from a combination of white meranti wood particles and purun. The research is conducted at the Laboratory of Forest Products Technology and Forest Management, Department of Forestry, Faculty of Agriculture, Universitas Palangka Raya. A Complete Randomized Design with a single factor—particle composition ratio of white meranti to purun (100:0, 75:25, 50:50, 0:100)—is applied. The result shows that moisture content, density, thickness swelling, internal bonding, and screw withdrawal strength met the requirements of SNI 03-2105-2006. However, the Modulus of Elasticity (MOE) and Modulus of Rupture (MOR) values do meet the standard, indicating that the composition variation do not improve these parameters. ANOVA reveals that particle composition has no significant effect on all parameters except water absorption and internal bonding. Duncan’s test indicates that the 0:100 ratio yield the best water absorption, likely due to purun’s hygrscopis.. Conversely, the 100:0 ratio produced the best internal bonding, attributed to meranti’s fiber structure and particle surface supporting adhesive bonding. The findings suggest that particleboard quality is more influenced by raw material–adhesive interactions and process variables, such as adhesive type and content, than by raw material composition variation
Heritabilitas Sifat Tinggi Pohon dan Diameter Batang Shorea balangeran (Korth.) Burck di Kebun Bibit Rakyat dan Shorea leprosula Miq di Kebun Benih Semai Universitas Palangka Raya: Heitability Of Tree Height and Stem Diameter of Shorea balangeran (Korth.) Burck In Community Nurseries And Shorea leprosula Miq in Sedling Seed Orchards and Community Nurseries of The University of Palangka Raya Sudomo, Muhammad Fadhil Amiruddin; Silvianingsih, Yosefin Ari; Pidjath, Chartina; Pindonta , Yopi Em
JURNAL HUTAN TROPIKA Vol 20 No 2 (2025): Volume 20 Nomor 2 Tahun 2025
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v20i2.23913

Abstract

This study aims to estimate the heritability of tree height and stem diameter in two Dipterocarpaceae species, Shorea balangeran from the People’s Nursery and Shorea leprosula from the Seed Orchard of Universitas Palangka Raya. Both species play an important ecological and economic role as dominant components of peat swamp forests and lowland forests. Genetic parameters observed include genotypic variance, environmental variance, phenotypic variance, and heritability values calculated using analysis of variance (ANOVA) in a completely randomized design. The results indicate that variations in both traits are predominantly controlled by genetic rather than environmental factors. Shorea balangeran exhibited high heritability for tree height (86.18%) and stem diameter (84.25%). Likewise, Shorea leprosula showed similarly high heritability for height (85.72%) and diameter (88.53%). These high heritability values suggest that the traits are stable and heritable, making both species suitable as superior seed sources in tree improvement programs. The findings reinforce the importance of selecting plus trees to support conservation efforts and the production of high-quality seeds
Keanekaragaman Tumbuhan dan Preferensi Pakan Monyet Ekor Panjang di Kawasan Telaga Warna Bogor : Diversity of Plants Used as Food by Long-Tailed Monkeys in the Telaga Warna Area of Bogor Hartati, Bunga Resa; Marpaung, Sutan Sahala Muda; Setiarno, Setiarno; Trianingtyas, Andhira; Samad, Radhiatunnisa S; Putra, Rizky Auliansyah; Putro, Dhymas Sulistyono
JURNAL HUTAN TROPIKA Vol 20 No 2 (2025): Volume 20 Nomor 2 Tahun 2025
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v20i2.23971

Abstract

Telaga Warna Bogor is a conservation area consisting of a Nature Reserve (CA) and Telaga Warna Nature Park (TWA) which harbors potential flora and fauna. The Long-tailed Macaque is one of the protected animals in the area and, with the rise of its IUCN conservation status, has been included in the red list of endangered species. The purpose of this study was to determine the food preferences of Long-tailed Macaques in the Telaga Warna area. The method used to determine food preferences was the line transect method, while the potential food trees were identified using the grid method, supplemented by a literature study for additional data on food preferences. The data analysis used was descriptive and qualitative. The food plant data was analyzed to determine density, frequency, dominance, and INP. The results of the study showed that the INP analysis of Villebrunea rubescens (42.21), Slonea sigun (33.82), and Castanopsis Argentea (22.91) had the highest values of the 17 food trees, indicating that these three plant species are quite abundant and have high potential as food for long-tailed macaques. The parts of plants most frequently eaten by long-tailed macaques were the fruit (47%), followed by the flowers (29%), and the leaves (24%). KEYWORDS Plant diversity, food preferences, long-tailed macaques, Telaga Warna Bogor.
Stagnasi Skema Hutan Tanaman Rakyat di Kabupaten Barru, Sulawesi Selatan: Stagnation of Community Plantation Forest in Barru Regency, South Sulawesi S. Samad, Radhiatunnisa; Samad, Sofyan; Rusadi, Nusrah; Trianingtyas, Andhira; Hartati, Bunga Resa; Putra, Rizki Auliansyah; Putro, Dhymas Sulistyono
JURNAL HUTAN TROPIKA Vol 20 No 2 (2025): Volume 20 Nomor 2 Tahun 2025
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v20i2.23973

Abstract

The Community Plantation Forest (CPF) program was established as a policy instrument to expand community access to forest management, support forest rehabilitation, and improve local livelihoods. However, its implementation in Barru Regency, which holds one of the largest allocations of HTR permits in South Sulawesi, has remained stagnant since the early phase of the program. This study aims to identify the factors influencing the implementation of HTR management and to examine community interest in the program. Data were collected through field observations and interviews conducted with Forest Farmer Group’s (FFGs) using a key informant sampling method. The factors affecting policy implementation were analyzed across five dimensions: policy, institutional arrangements, stakeholders, human resources, and forest resources. The findings indicate that strengthening community capacity and institutional structures, enhancing stakeholder collaboration, and implementing consistent monitoring and evaluation mechanisms are essential to improving the performance and long-term sustainability of the HTR program in Barru Regency.
Kajian Pemanfaatan Purun Dan Serbuk Gergajian Limbah Industri Kerajinan Masyarakat (Ikm) Sebagai Papan Partikel: Study On The Utilization Of Purun And Sawsdowns From Small Medium Industry (SMI) Waste As Particle Board Supriyati, Wahyu; Usop, Linggua Sanjaya; Adiwijaya, Saputra; Budayanti, Tari; Wulandari, Agtri; Alpian, Alpian
JURNAL HUTAN TROPIKA Vol 20 No 2 (2025): Volume 20 Nomor 2 Tahun 2025
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v20i2.23982

Abstract

Purun waste and sawdust are generally thrown away, not used by the community. This study examines the utilization of purun waste and sawdust with polyurethane adhesive. Purun is mixed with ironwood sawdust in a ratio of 5% and 95%; 10% and 90%; 0% and 100%. The adhesive used is 10% of the material weight. The particleboard is hydraulically pressed at a temperature of 105oC with a pressure of 15 kg/cm2 for 15 minutes. Each treatment is repeated 3 times. The results show that particleboard made from purun waste and sawdust has physical properties (water content and density) and mechanics that meet the requirements of SNI. 03-2105-2006, except for the MoR value. The addition of purun in the composition of particleboard materials does not significantly affect the properties of particleboard so it can be used as an alternative raw material.
Sifat Balok Glulam Kayu Terentang (Campnosperma auriculatum (Blume) Hook.F.) Berdasarkan Jumlah Lamina: Properties of Glue laminated Timber Beams from Terentang Wood (Campnosperma auriculatum (Blume) Hook.F.) Based on the Number of Laminae Sirait, Hizkia Ireni; oktoberyani christy, Eva; Indrayanti, Lies; Pidjath, Chartina; Penyang, Penyang; Koroh, Desy Natalia
JURNAL HUTAN TROPIKA Vol 20 No 2 (2025): Volume 20 Nomor 2 Tahun 2025
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v20i2.23991

Abstract

The purpose of this study was to determine the effect of the number of laminae on the physical and mechanical properties of terentang wood glulam beams. Three types of glulam beams were manufactured with 3, 4, and 5 laminae, then glued using PVAc (polyvinyl acetate) adhesive with a glue spread of 200 g/m², vacuumed using the vacuum bagging method, and left in the vacuum bag for 24 hours. As a comparator, solid beams with the same cross-section (50 mm × 50 mm) were also prepared. The results indicated that the number of laminae had a very significant effect on water content and specific gravity, as well as a significant effect on the Modulus of Elasticity (MoE) and Modulus of Rupture (MoR). Tukey's test confirmed that the MoE and MoR of 3-layer glulam beams were not significantly different from those of the solid beam. This suggests that 3-layer glulam beams had mechanical performance equal to the solid beam and relatively better than 4- and 5-layer glulam beams. Increasing the number of laminae tended to decrease the MoE and MoR values of glulam beams. Based on the Indonesian wood strength classification, solid beams fall into strength class III, as do 3-layer and 5-layer glulam beams. The 4-layer glulam beam was classified as strength class IV. All glulam beams indicate no improvement in class compared to the solid beam.
Evaluating the Growth Performance of Three Fast-Growing Species in Coal Mine Reclaimation in Aceh : Evaluasi Kinerja Pertumbuhan Tiga Spesies Pohon Cepat Tumbuh pada Lahan Reklamasi Tambang Batu Bara di Aceh Kusuma, Yosie Syadza; Riharja. TJ, Yuni Septia; Arlita, Tuti; Rosita, Ida; Wijaya, Laila
JURNAL HUTAN TROPIKA Vol 20 No 2 (2025): Volume 20 Nomor 2 Tahun 2025
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v20i2.24002

Abstract

Coal mining plays a crucial role in global energy production and regional development, including in Aceh, Indonesia, where operations such as PT. Mifa Bersaudara contribute to energy supply and employment. This study evaluated the revegetation success of three fast-growing species (Falcataria moluccana, Enterolobium cyclocarpum, and Gmelina arborea) in post-mining reclamation areas planted in 2017 and 2018. Planting was performed at a uniform spacing of 4 × 4 m across 27 plots (8 in 2017, 19 in 2018), each measuring 20 × 20 m and containing 25 trees per plot, with a sampling intensity of 3%. Analyzed using descriptive statistics, two-way ANOVA with Tukey HSD, t-test, and Wilcoxon rank-sum tests. Results showed F. moluccana achieved the highest height (17.53 ± 24.75 m in 2017; 10.73 ± 2.88 m in 2018) and diameter (22.25 ± 8.12 cm in 2017; 31.84 ± 11.59 cm in 2018), followed by E. cyclocarpum, while G. arborea grew more slowly. Survival rates of the planted trees remained relatively high in both planting years, with 80.0 ± 19.0% in 2017 and 70.2 ± 16.9% in 2018, and statistical analysis indicated no significant difference between the two years. Fast-growing species enhanced canopy cover, soil stabilization, and microhabitats, supporting slower-growing species, and their combination is recommended to optimize short-term revegetation success and long-term ecosystem resilience in degraded areas.
Souvenir Khas Dayak dari Hasil Hutan Bukan Kayu Getah Nyatoh: Typical Dayak Souvenirs from Nyatoh Non-wood Forest Products Nuwa, Nuwa; Rotinsulu, Johanna Maria; Triyadi, Antonius; Prihanika, Prihanika
JURNAL HUTAN TROPIKA Vol 20 No 2 (2025): Volume 20 Nomor 2 Tahun 2025
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v20i2.24016

Abstract

Palangka Raya City covers an area of ​​2,687 km2, with a 2015 workforce dominated by high school graduates (27.7%) and university graduates (27.2%). High school graduates were the most unemployed at 2%, followed by vocational high school graduates at 1.4%, and then university graduates at 1% of the total workforce in 2015. This aligns with the Vision and Mission outlined in the RPJMD (Regional Medium-Term Development Plan), namely: "To realize a city of Palangka Raya that is Advanced, Harmonious, and Prosperous for All and to realize the welfare of the Palangka Raya community through a smart economy, encompassing the development of industry, small and medium enterprises, tourism, and banking." Palangka Raya's flagship products are rattan, wood, batik, and nyatoh resin crafts, which have significant potential for development, particularly to support the synergistic regional tourism industry. The Dayak people, as the indigenous people of Central Kalimantan, live largely along river basins and depend on the natural resources of their surroundings for their livelihood. Their interaction with nature has given rise to a diverse culture reflecting local wisdom. The objective of this activity is to produce nyatoh sap, a non-timber forest product, into typical Dayak souvenirs, including miniature boats, garing sticks, pen holders, key chains depicting Dayak statues, mandau (mandau), talawang (talawang), and hornbills. This activity, held in the Forestry Department, aims to provide students with an understanding of the types of non-timber forest products made from sap, namely nyatoh sap, as well as an introduction to cleaned and colored nyatoh sap, and the process of forming it into souvenirs.
Strategi Pemanfaatan Lahan Di Ruang Terbuka Tepian Sungai Kahayan: Land Utilization Strategy in Open Spaces on the Banks of the Kahayan River Hamidah, Noor; Frieda, Frieda; Santoso, Mahdi; Nindito, Dwi Anung; Nazwa, Nazwa; Kudadiri, Puput Khairani
JURNAL HUTAN TROPIKA Vol 20 No 2 (2025): Volume 20 Nomor 2 Tahun 2025
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v20i2.24085

Abstract

The use of open space on riverside has different characteristics from open space on land. Pahandut Seberang Village is the location of the research on land use in open spaces. The Pahandut Seberang Village area is one of the villages in Pahandut District located on the Kahayan Riverside area. Pahandut Seberang Village can be reached by land transportation or by river. The purpose of this study is to analyze land use strategies in open spaces on the Kahayan Riverside area. The research method uses qualitative methods based on literature studies, surveys, and interviews with residents and key persons. The strategy analysis identified the function of open spaces in the riverside area. The results of the analysis show that land use during high tide and low tide is different in terms of physical spatial functions, and community social activities in the open space. The results of this analysis can be used as a reference in the development of spatial areas on riverside.
Pemantauan Dinamika Land Surface Temperature dan Indeks Spektral (NDVI) Menggunakan Landsat ETM+ dan OLI/TIRS di Lanskap Jember Selatan: Monitoring Land Surface Temperature and Spectral Indices (NDVI) Dynamics Using Landsat ETM+ and OLI/TIRS in the Southern Jember Landscape Sholihah, Rizqi I'anatus; Putra, Rizki Auliansyah; Santosa, Lenalda Febriany; Atmadja, Krisologus Genesa Ruby; Wulandari, Verlina Intan; Rahman, Basuki; Islami, Muflihatul Maghfiroh; Kusneti, Monica
JURNAL HUTAN TROPIKA Vol 20 No 2 (2025): Volume 20 Nomor 2 Tahun 2025
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v20i2.24103

Abstract

Landscape transformation driven by rapid urbanization is a primary determinant of microclimate change in peri-urban regions. This study aims to analyze the spatiotemporal dynamics of land surface temperature (LST) and its relationship with vegetation density (Normalized Difference Vegetation Index/NDVI) in the Southern Jember landscape. Utilizing Landsat 7 ETM+ and Landsat 8 OLI/TIRS imagery from 2001, 2013, and 2025, this research evaluates the impact of land cover changes on the regional thermal regime and vegetation index variability. The results reveal a fundamental landscape transition, where the dominance of paddy fields shrank drastically from 66.400 ha (2001) to 13.800 ha (2025), replaced by a massive expansion of settlements reaching 82,900 ha. This shift triggered a significant surface urban heat island (SUHI) phenomenon. Settlement areas recorded an extreme maximum LST of 38,1°C in 2025, a sharp increase compared to the initial study period. Spectral analysis confirms that the rise in LST has a negative correlation with NDVI. This evidence suggests that the loss of vegetation biomass and the increase in impervious surfaces due to uncontrolled urbanization are the primary drivers of environmental warming in South Jember. These findings underscore the urgency of climate-mitigation-based spatial planning strategies for regional sustainability.

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