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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 436 Documents
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Keanekaragaman Jenis Vegetasi Hutan Rawa Gambut di Hutan Desa Hiyang Bana, Kabupaten Katingan, Propinsi Kalimantan Tengah: Diversity of Peat Swamp Forest Vegetation Types in The Hiyang Bana Village Forest, Katingan District, Central Kalimantan Province Cakra Birawa; Antonius Triyadi; Lies Indrayanti; Nisfiatul Hidayat; Anggelina Hoar
JURNAL HUTAN TROPIKA Vol 21 No 1 (2026): Volume 21 Nomor 1 Tahun 2026
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v21i1.26303

Abstract

This study was conducted to determine the diversity of vegetation species in the Hiyang Bana Village Forest, a lowland peat swamp area that has important ecological functions but is under pressure from illegal logging and illegal gold mining activities. This pressure is feared to cause changes in the composition and structure of vegetation and reduce the ability of natural regeneration. This study aims to identify the types of vegetation and determine the diversity of vegetation species in the Hiyang Bana Village Forest. The method used was a combination of grid lines on 2 (two) research routes with a total of 26 sample plots. The results showed that there were 29 types of vegetation from 22 families, with different species dominating at each growth stage, such as punak at the seedling and pole levels, sand-sand at the stakes, and gemor at the trees. The value of species diversity ranged from low to moderate, with the highest value at the pole level (H’ = 2.60). The evenness index (E = 0.77) included the highest evenness. The species richness index (R = 5.15) including at the sapling growth stage had a high species richness value. These results indicate that the vegetation structure remains relatively stable, although anthropogenic pressures have the potential to inhibit natural regeneration. This research underscores the importance of sustainable management and rehabilitation efforts to maintain the sustainability of the Hiyang Bana Village Forest.
Sifat Fisis dan Mekanis Papan Lamina dari Limbah Kayu Ulin (Eusideroxylon zwageri) dan Kayu Meranti Merah (Shorea leprosula Miq.): Physical and Mechanical Properties of Laminated Wood from Ironwood (Eusideroxylon zwageri) and Red Meranti (Shorea leprosula Miq.) Waste Eva Nurmarini; Taman Alex; Salfinus; Risna Nona; Agung Nugrawan Kutana
JURNAL HUTAN TROPIKA Vol 21 No 1 (2026): Volume 21 Nomor 1 Tahun 2026
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v21i1.26334

Abstract

The timber industry is growing with increasing demand for wood raw materials, driving innovations such as lamination. This study aims to determine the physical and mechanical properties of laminated boards made from a combination of ironwood (Eusideroxylon zwageri) and red meranti (Shorea leprosula) wood waste. The laminated boards were arranged in four combination treatments, namely MUM (Meranti-Ironwood-Meranti), MMM (Meranti-Meranti-Meranti), UMU (Ironwood-Meranti-Ironwood), and UUU (Ironwood-Ironwood-Ironwood), using PVAc adhesive with a pressing pressure of 8-9 bar for one hour. Testing was conducted on moisture content, density, Modulus of Elasticity (MoE), and Modulus of Rupture (MoR). The results showed that the moisture content of the laminated boards ranged from 13.52–17.32% and fell within the equilibrium moisture content range for tropical wood. The density values ranged from 0.54–0.94 g/cm³, with the highest value in ironwood and the lowest in red meranti wood. The MoE values ranged from 86,180 to 179,939 kgf/cm², and all variations met the JAS (2007) standard. The MoR values ranged from 754 to 1,512 kgf/cm², which also complied with the JAS breaking strength standard (≥300 kgf/cm²). The combination of ironwood and red meranti wood waste produced laminated boards with good performance and potential as an alternative sustainable construction material.
Pengaruh Aplikasi Fumyco terhadap Pertumbuhan Semai Bungur (Lagerstroemia speciosa (L.) Pers.) pada Media Gambut Pedalaman.: The Effect of Fumyco Application on the Growth of Bungur Seedlings (Lagerstroemia speciosa (L.) Pers.) in Inland Peat Media. Sampang Gaman; Patricia E. Putir; Kitso Kusin; Untung Darung; Panji Surawijaya; Adi Jaya; Yutaka Tamai
JURNAL HUTAN TROPIKA Vol 21 No 1 (2026): Volume 21 Nomor 1 Tahun 2026
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v21i1.26372

Abstract

Abstract— Bungur (Lagerstroemia spesiosa (L) pers.) is one of the forestry crops that can be harvested both in the form of timber forest products and non-timber forest products. Seedling is an important stage in the provision of planting material/seedlings because early growth will determine subsequent growth. Considering that bungur has many benefits, this plant needs to be cultivated and developed. One of the efforts on the generative propagation of bungur plants with the application of Fumyco mycorrhizal biological buds in peat planting media, this study aims to analyze the growth of bungur saplings. This research was carried out in a residential nursery in Bukit Tunggal, Jekan Raya District, Palangka Raya City. This research was conducted from April – August 2025. The tools used are a measuring bar, thermometer, polybag, sprinkler, digital camera, and tally sheet. The materials used are peat soil and Bungur saplings (Lagerstroemia spesiosa (L) pers.). Data analysis included percentage of life, plant height (cm) and number of leaves. This study used RAL with 3 (three) Fumyco treatments: Control (P0), (P1) 5 g, and (P2) 10 g. The results showed that the percentage of survival of the seedling in the 10gr Fumyco treatment had a value of 100%, followed by the 5gr Fumyco treatment of 75%, while the control treatment was 0%. The results of the analysis of the application of Fumyco biofertilizer to the height and number of leaves of the bungur plant provided an average increase in height and the number of leaves of the seedlings was better than the control.
Transformasi Lanskap Agraris dan Ekspansi Lahan Terbangun: Dinamika Spasio-Temporal Indeks Kawasan Terbangun (NDBI) Berbasis Landsat Time-Series di Jember Selatan, 2001–2025: Agrarian Landscape Transformation and Built-Up Area Expansion: Spatio-Temporal Dynamics of the Built-Up Area Index (NDBI) Based on Landsat Time-Series in South Jember, 2001–2025 Rizqi I’anatus Sholihah; Rizki Auliansyah Putra; Muflihatul Maghfiroh Islami; Krisologus Genesa Ruby Atmadja; Lenalda Febriany Santosa; Verlina Intan Wulandari; Basuki Rahman; Monica Kusneti
JURNAL HUTAN TROPIKA Vol 21 No 1 (2026): Volume 21 Nomor 1 Tahun 2026
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v21i1.26712

Abstract

Agrarian landscape transformation driven by built-up land expansion has become an increasingly prominent form of land-use change in developing regions. Southern Jember, characterized by extensive agricultural, plantation, and forested lands, has experienced growing development pressure associated with infrastructure expansion and regional economic growth. This study aimed to analyze patterns of agrarian landscape transformation and the spatio-temporal dynamics of built-up areas in Southern Jember during 2001–2025 using Landsat time-series imagery. The analysis was conducted through land-cover change interpretation and the extraction of the Normalized Difference Built-up Index(NDBI) from Landsat 7 ETM+ and Landsat 8 OLI/TIRS imagery. The results revealed a substantial increase in built-up areas, from approximately 20.8 thousand ha in 2001 to 82.9 thousand ha in 2025. This expansion occurred concurrently with declines in paddy fields, secondary forests, and portions of plantation areas. NDBI analysis further indicated increasing intensity and spatial expansion of built-up land, particularly along the northern, central, and western development corridors of Southern Jember, where high NDBI values were consistently observed. These findings demonstrate that built-up land expansion has become the primary driver of agrarian landscape transformation in the study area. The integration of Landsat time-series imagery and NDBI proved effective for monitoring landscape dynamics and provides a scientific basis for sustainable spatial planning and land management.
Pertumbuhan dan Hasil Tanaman Meranti Pada Sistem Tebang Pilih Tanam Jalur : Growth and Yiels of Meranti in the Selective Cutting and Strip Planting System Wahyudi Wahyudi; Antonius Triyadi; Firliyanty Firliyanty
JURNAL HUTAN TROPIKA Vol 21 No 1 (2026): Volume 21 Nomor 1 Tahun 2026
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v21i1.26939

Abstract

Selective Cutting and Strip Planting (SCLP) silvicultural system can be applied in the logged over forest and low potential forest to improve their productivity . The research was aimed at creating the growth and yield modeling of Shorea plantations in the strip planting system. The research was conducted at research plots of SCLP in logged over forest of PT. Prabanugraha Technology, Central Kalimantan Province. The research plots were five plots of Shorea leprosula plantation that planted in 2008 (17 years old), 2013 (12 years old), 2022 (3 years old), 2023 (2 years old) and 2025 (5 months old) in which consisted of 200 samples of trees, respectively. Data of Shorea leprosula growth were analyzed using Stella 9.0.2 and SPSS 22, and predicted yield using table of volume, exponential, polynomial, and 5 sub models of polynomial equations. The research result showed that growth model of exponential equation was y= 1.0326.e0.013X (R2= 91.23%) with estimated cutting cycle at 35 years old, polynomial equation was y=0.03187x2 + 0.7991x + 0.4174 (R2= 82,63%) and estimated cutting cycle at 32 years old, and 5 sub models polynomial equations have R2> 95%) and estimated cutting cycle at 33 years old. The best model was 5 sub models polynomial equations that represented exponential equation and polynomial equation in the yield of volume
Analisis Peran Pemerintah Daerah dalam Memoderasi Faktor Partisipasi, Sosial, Ekonomi, Lingkungan dan Swasta terhadap Kebijakan Pengelolaan Sampah: Analysis of the Role of Local Government in Moderating Participation, Social, Economic, Environmental and Private Sector Factors Influencing Waste Management Policy Wahyudin Noor; I Nyoman Sudyana; Heriamariaty Heriamariaty; Johanna Maria Rotinsulu
JURNAL HUTAN TROPIKA Vol 21 No 1 (2026): Volume 21 Nomor 1 Tahun 2026
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v21i1.26970

Abstract

Waste management is part of the fifth mission of regional development, which emphasizes the importance of environmental conservation as the foundation of sustainable development. The environment is considered an essential component because the impacts of development accumulate over the long term. Development requires the utilization of natural resources, which may generate negative environmental consequences. This study aims to analyze the role of local government in moderating participation, social, economic, environmental and private sector factors influencing waste management policy. A quantitative approach employing Structural Equation Modeling–Partial Least Squares (SEM-PLS) was applied. The results indicate that community participation has a positive and significant effect on waste management policy (β = 0.428; p < 0.001), suggesting that higher community involvement enhances the effectiveness of waste management. Social factors also have a positive and significant influence (β = 0.337; p = 0.001), particularly through mutual cooperation and social support. Economic factors positively and significantly affect waste management policy (β = 0.301; p = 0.001) through economic benefits, waste banks, and recycling activities. Environmental factors exert the strongest influence (β = 0.486; p < 0.001) through increased environmental awareness. The private sector also has a positive and significant effect (β = 0.389; p < 0.001). Furthermore, local government significantly moderates the relationship between all variables and waste management policy (β = 0.514; p < 0.001), thereby strengthening the success of participatory waste management in East Barito Regency.

Page 44 of 44 | Total Record : 436

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