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INDONESIA
MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management
Published by Institut Pertanian Bogor
ISSN : 20870469     EISSN : 20892063     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Manajemen Hutan Tropika is a periodic scientific articles and conceptual thinking of tropical forest management covering all aspects of forest planning, forest policy, utilization of forest resources, forest ergonomics, forest ecology, forest inventory, silviculture, and management of regional ecosystems.
Arjuna Subject : -
Articles 547 Documents
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Contributing Environmental Factors of Habitat Suitability for the Great Argus (Argusianus argus) in Bukit Barisan Selatan National Park, Indonesia Rahmilija, Femei; Hernowo, Jarwadi Budi; Prasetyo, Lilik Budi
Jurnal Manajemen Hutan Tropika Vol. 32 No. 1 (2026)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.7226/jtfm.32.1.51

Abstract

The great argus (Argusianus argus), a key outstanding universal value (OUV) species in Bukit Barisan Selatan National Park (BBSNP) within the tropical rainforest heritage of Sumatra (TRHS), is listed as vulnerable by the IUCN red list due to extensive deforestation and habitat fragmentation. Yet, its habitat preferences and spatial distribution remain poorly understood. This study aimed to model the potential distribution of the great argus and identify key environmental factors influencing its occurrence within the Way Canguk Research Station (WCRS), BBSNP. We employed the Maximum Entropy (MaxEnt) algorithm using data from field surveys and camera traps combined with environmental variables including elevation, slope, distance to rivers, normalized difference moisture index (NDMI), temperature, rainfall, distance to roads and settlements, NDVI, and land cover. The model exhibited high predictive performance (AUC = 0.846). Distance to roads, rainfall intensity, and the presence of primary forest emerged as the most influential factors. The species showed a preference for primary forests located far from human disturbances and in areas with lower rainfall levels. These findings confirm WCRS as a suitable habitat for the great argus and underscore the urgency of preventing deforestation, restoring degraded lands, and mitigating road impacts to preserve BBSNP’s ecological integrity and sustain TRHS’s world heritage status.
Vegetation Structure and Potential Key Species for Bali Myna (Leucopsar rothschildi) Introduction in Tengkudak Village, Bali, Indonesia Wijaya, I Made Saka; Yuni, Luh Putu Eswaryanti Kusuma; Ginantra, I Ketut
Jurnal Manajemen Hutan Tropika Vol. 32 No. 1 (2026)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.7226/jtfm.32.1.106

Abstract

Species introduction is a key conservation strategy for the Bali myna (Leucopsar rothschildi), a high-priority species in Indonesia. Successful introduction requires thorough habitat assessment. This study analyzed vegetation structure and identified potential key species in Tengkudak Village, Tabanan Regency, Bali–one of the designated introduction sites. A plot-based sampling method was used in 10 sampling areas, with 20 plots (20 m × 20 m) for tree and sapling analysis and 100 plots (2 m × 2 m) for ground vegetation assessment. Vegetation parameters such as density, frequency, dominance, and importance value index were analyzed, along with community indices, including Shannon-Wiener diversity, Simpson’s dominance, and Pielou’s evenness. The upperstorey was dominated by plantation species and riparian vegetation, while the understorey consisted mainly of agricultural weeds, grasses, and ferns. The community index analysis indicated high species diversity and a stable community structure. Most plant species provide essential resources for the Bali myna, including food, shelter, perching, and nesting sites. Fifteen species were identified as potential plant keys, including Baccaurea racemosa, Bischofia javanica, Carica papaya, Cocos nucifera, Dysoxyllum densiflorum, Elaeocarpus sphaericus, Ficus spp., Lansium domesticum, Magnolia champaca, Persea americana, Sandoricum koetjape, and Theobroma cacao.
Soil CO₂ Emissions in Jakarta Urban Forests: The Role of Canopy Cover Versus Environmental Factors Elvira, Ade Irma; Arif, Ibrahim; Nainggolan, Carla Mariana; Renita, Destia Puri Prela; Putri, Nadia Asmawari; Patria, Mufti Petala; Nurdin, Nurdin; Vasenev, Ivan Ivanovich
Jurnal Manajemen Hutan Tropika Vol. 32 No. 1 (2026)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.7226/jtfm.32.1.27

Abstract

Increasing carbon dioxide (CO2) emissions encourages global warming and climate change. Soil can store CO2 emissions, which are absorbed by vegetation. Studies on the dynamics of soil CO2 gas emission fluxes with differences in the percentage of vegetation canopy cover in the urban forest ecosystem of the Jakarta Region have never been frequently carried out. This research aims to analyze and compare the dynamics of soil CO2 gas emission fluxes in the urban forest ecosystem of the Jakarta Region with different percentages of vegetation canopy cover and analyze the relationship between air temperature, soil moisture, soil temperature, and soil acidity (pH) with carbon gas emission fluxes soil dioxide. The research method used is the greenhouse gas capture method, which uses a chamber to measure environmental factors and data analysis using the Kruskal-Wallis test and Spearman correlation. The results showed no significant difference between the percentage of vegetation canopy cover in the urban forest ecosystem and the soil CO2 gas emissions flux. Environmental factors related to the flux of CO2 emissions from soil in the urban forest ecosystem of the Jakarta Region are soil moisture and soil pH. Further research is recommended to measure other environmental factors, such as nutrients and soil organic carbon, to obtain more comprehensive research results on the dynamics of soil CO2 gas emission fluxes.
Development of Post Fire Severity Assessment Module in Indonesian Forest and Land Fire Prevention Patrol System Sitanggang, Imas Sukaesih; Hidayat, Assad; Syaufina, Lailan
Jurnal Manajemen Hutan Tropika Vol. 32 No. 1 (2026)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.7226/jtfm.32.1.97

Abstract

The severity of forest and land fires is a crucial indicator for assessing their impact on ecosystems, particularly vegetation and soil. The assessment results serve as a foundation for forest and land restoration, rehabilitation, and conservation efforts. This study employs a deep learning algorithm to develop a forest and land fire severity assessment module. The CNN model used is MobileNetV2 that has an accuracy of 88.8%. The smart module is integrated into the Indonesian Forest and Land Fire Prevention Patrol Mobile Application and follows the Software Development Life Cycle approach in its development. Field observation images are input to the CNN module in the mobile application. The module then analyzes the fire severity and classifies it into very light, light, moderate, severe, and very severe categories. Testing results indicate that the module accurately predicts fire severity based on established assessment standards. The optimal time for capturing images is a few days after the fire, during daylight hours, to ensure the majority of images depict burned areas. Additionally, the findings highlight that lighting conditions and image quality significantly influence the accuracy of severity predictions. Further development is required to enhance the module's compatibility and flexibility, enabling its use across various devices.
Unlocking the Private Sector Role in Supporting the Sustainable Multipurpose Forest Management in  Riau, Indonesia Rossita, Annuri; Nurrochmat, Dodik Ridho; Boer, Rizaldi; Santoso, Nyoto; Jaya, I Nengah Surati; Purwawangsa, Handian; Ekayani, Meti; Mutaqin, Faizal; Kautsyar, Muhammad Irsyad
Jurnal Manajemen Hutan Tropika Vol. 32 No. 1 (2026)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.7226/jtfm.32.1.73

Abstract

This study aims to discover the private sector’s perspective on the sustainable transition of degraded forestlands, including the transformation of oil palm plantations in forest areas into multipurpose forests, identify current barriers in adopting sustainable multipurpose forest management practices on financing and policy aspects, and explore how the private sector can step up its role in forestland restoration. This study was based on field observations, key informant interviews, focus group discussions (FGDs), and literature reviews. This study aims to navigate a path for policy implementation toward decarbonization, as tenurial conflicts, particularly between oil palm plantations and forest areas, are critical for sustainable forest management in Riau. The private sector's interest in sustainable multipurpose forest management is higher when additional benefits from non-timber forest products (NTFPs) are high. This study also found that the private sector’s desire to support sustainable multipurpose forest management stems from the potential benefits of carbon trading. Regarding the carbon market, most respondents are willing to join when  carbon prices are USD4–6 ton-1 of CO2e. It indicates that the private sector is willing to support the domestic carbon market as regulated under the Minister of Environment and Forestry Regulation 21/2022. While the private sector has complied with most transformative policies and mechanisms, respondents expect further incentives and support, particularly to resolve the forestland conflict.
Media Framing of Human–Orangutan Interactions in Kalimantan: A Topic Modelling and Sentiment Analysis Approach Desantoro, Tri Giyat; Lilik Budi Prasetyo; Lubis, Muhammad Irfansyah
Jurnal Manajemen Hutan Tropika Vol. 32 No. 1 (2026)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.7226/jtfm.32.1.63

Abstract

People's perceptions of orangutans strongly influence their responses in every interaction, which can have negative impacts on both humans and orangutans. Misperceptions, fear, or negative attitudes may increase the risk of conflict, injury, or retaliatory actions, thereby threatening conservation outcomes. Understanding community sentiment toward human–orangutan interactions is therefore essential for designing effective conservation strategies. However, direct data collection to understand community sentiment often faces cost and accuracy constraints. Therefore, an alternative approach that is more efficient and objective is needed to capture community sentiment toward human-orangutan interactions. This research offers latent topic modelling and sentiment analysis of online news articles as a novel method to understand these dynamics and support conservation efforts. A total of 11 latent topics were obtained from the news articles. Orangutan sightings and handovers of orangutans were the most frequently discussed in 2016. Palm oil plantations emerged as a prominent topic related to human-orangutan interaction incidents. Negative sentiment was predominantly linked to topic such as injured orangutans and orangutan sightings on plantations, whereas orangutan translocation received the highest positive sentiment score. This study highlights the potential of natural language processing for analyzing Indonesian language texts in conservation contexts, with applications extendable to broader environmental and forestry issues such as deforestation and wildlife hunting.
Potential Distribution of Tropical Native Gayam Forest Tree (Inocarpus fagifer Forst.) to Cope with the Drought Hazards in Yogyakarta Landscape Wibowo, Andri; Utomo, Suyud Warno
Jurnal Manajemen Hutan Tropika Vol. 32 No. 1 (2026)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.7226/jtfm.32.1.40

Abstract

Yogyakarta's landscape is known for having experienced drought hazard. At the same time, there is a native tropical tree that has the ability to store the water and cope with the emerging drought. In this regard, this study is aiming to evaluate the potential distribution of the tropical native gayam forest tree (Inocarpus fagifer Forst.) to cope with the drought in the Yogyakarta landscape. Samplings of I. fagifer covered four districts (Sleman, Kulonprogo, Bantul, and Gunung Kidul) and one city (Yogyakarta City) and implemented from January to March 2025. The potential distribution was estimated using MaxEnt. The drought was estimated using remote sensing. The resulting model gained an AUC of 0.804, confirming that I. fagifer can adapt to low rainfall and has the potential to inhabit areas with drought. Bantul, Sleman, and Kulonprogo were districts where the I. fagifer potential distribution areas exceeded almost five to seven times the drought areas. This information can be used as a baseline and recommendation from village to district levels to start to mainstream and disseminate the planting of tropical native trees as a nature-based solution to cope with the drought hazards across Yogyakarta's landscape.

Page 55 of 55 | Total Record : 547

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