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Ni Putu Diana Mahayani
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Fakultas Kehutanan Universitas Gadjah Mada Jl. Agro No 1, Bulaksumur, Sleman, Yogyakarta 55281
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INDONESIA
Jurnal Ilmu Kehutanan
Published by Universitas Gadjah Mada
ISSN : 01264451     EISSN : 24773751     DOI : https://doi.org/10.22146
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Ilmu Kehutanan is a biannual open access journal by the Faculty of Forestry, Universitas Gadjah Mada, Indonesia, that publishes peer-reviewed scientific articles focusing on aspects of forest management, silviculture, forest conservation, and forest technology, both basic and applied. The Journal intended as a medium for communicating and motivating research activities through scientific papers, including research papers, short communications, and reviews written in English. In considering suitability for publication, the Journal refers international editorial conventions and conducts a double-blind peer-review selection process.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Kehutanan
Articles 131 Documents
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Aktivitas Mikofagi dari Kelas Agaricomycetes di Hutan Kampus Institut Pertanian Bogor, Indonesia Ici Dianita; Noer Syahbani; Ivan Permana Putra
Jurnal Ilmu Kehutanan Vol 19 No 2 (2025): September
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jik.v19i2.16455

Abstract

Macrofungi are a nutraceutical food containing high protein, low fat, and are rich in minerals that play an important role in animal physiology, particularly as food supplements because of their distinctive aroma. This research aimed to provide information on the macroscopic and microscopic characters of several macrofungi from the Agaricomycetes consumed by animals, and to describe their antibacterial potentials. This research employed opportunistic sampling, mushroom identification and description, proximate analysis, and antibacterial assays. A total of seven mushrooms of the Agaricomycetes were described, namely Lentinus sajor-caju, Gymnopilus sp., Marasmius sp., Phallus indusiatus, Panus lecomtei, Termitomyces sp., and Schizophyllum commune. Lentinus sajor-caju had carbohydrate, fiber, protein, fat, ash, and moisture contents of 72.02%, 30.03%, 11.63%, 1.37%, 4.26 %, and 10.74%, respectively. The antibacterial assay of L. sajor-caju indicated that both 0.8 mg/ml and 1 mg/ml concentrations showed no significant difference in activity. However, both exhibited potent inhibitory effects against Candida albicans. Lentinus sajor-caju extract inhibited Enteropathogenic Escherichia coli (EPEC) at a concentration of 5 mg/ml. In comparison, a dose of 0.8 mg/ml effectively suppressed the growth of Methicillin-resistant Staphylococcus aureus (MRSA). This current research provided a basic framework for future mycophagy analysis and bioprospection in Indonesia.
Modal Sosial Masyarakat dalam Konservasi Daerah Aliran Sungai Poso di Provinsi Sulawesi Tengah, Indonesia Sudirman Daeng Massiri; Hamzari Hamzari; Hendra Pribadi; Naharuddin Naharuddin; Adam Malik; Abdul Rauf
Jurnal Ilmu Kehutanan Vol 19 No 2 (2025): September
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jik.v19i2.17664

Abstract

Community-based collaborative watershed governance offers a potential solution to the limitations of government-led management by leveraging substantial social capital to sustain watershed functions. Therefore, this research aimed to investigate community social capital in watershed conservation and formulate strategies to strengthen it, promoting the sustainability of Poso Watershed. The investigation was conducted in Tentena and Sawidago Villages in Poso Watershed, using interviews with households and key informants, focus group discussions, and field observations. This research employed descriptive quantitative analysis to assess community social capital characteristics and levels, while applying SWOT (strengths, weaknesses, opportunities, and threats) analysis to develop strategies for strengthening social capital. The results showed that high cognitive-social capital required substantial structural social capital to generate collective action in watershed conservation. Weak structural social capital was reflected in the community’s limited understanding of formal rules and low involvement in organizations related to forest and watershed conservation, leading to weak solidarity and collective action. Strengthening social capital required harnessing the role of the Watershed Management Coordination Forum, which engages government and stakeholders in community-based collaborative watershed management. This primary strategy should be supported by improving communication, socialization, counselling, increasing community participation, and fostering the role of local institutions in watershed conservation.
Pemodelan Kesesuaian Habitat Mandar Gendang (Habroptila wallacii) di Pulau Halmahera, Indonesia Septianto Aldiansyah; Ilyas Madani; Risna Risna; Randi Adrian Saputra
Jurnal Ilmu Kehutanan Vol 19 No 2 (2025): September
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jik.v19i2.18437

Abstract

Drummer Rail (Habroptila wallacii) is a bird species of the Rallidae family with limited ecology and behavior information. The information on the distribution of H. wallacii in Halmahera Island is crucial as it is classified as a vulnerable species. Therefore, this research aims to predict the potential distribution of H. wallacii on Halmahera Island using the Maximum Entropy (MaxEnt) modeling method, which projects species distributions based on presence data and environmental variables. A total of 47 data points on H. wallacii encounters were obtained from open-access data sources and field observation. The variables used were land use land cover (LULC), normalized difference vegetation index (NDVI), elevation, slope, and proximity data (river). The results showed that 33.52% of the area was very suitable for H. wallacii habitat, 32.97% was suitable, and 33.50% was unsuitable. Approximately 29.39% of the suitable habitat was located in limited-production forest areas, while conservation areas covered only 5.19%. These results suggested the need to review spatial planning policies to increase protection of the natural habitat of the species. The results could serve as considerations and recommendations for the Ministry of Environment and Forestry regarding the future management of forest areas for these species.
Perencanaan Edu-Ekowisata Berbasis Atraksi Wisata di Kebun Percobaan dan Penelitian Jonggol, Institut Pertanian Bogor (IPB) University Ziyadatul Hikmah; E.K.S. Harini Muntasib; Nandi Kosmaryandi
Jurnal Ilmu Kehutanan Vol 19 No 2 (2025): September
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jik.v19i2.18797

Abstract

The Jonggol Teaching and Research Farm serves as a field laboratory for Institut Pertanian Bogor (IPB) University, featuring a diverse array of agricultural and livestock systems, including plantations of oil palm, cassava, sorghum, and indigofera, as well as sheep and cattle farming, alongside agricultural and livestock processing industries. The research aimed to develop an edu-ecotourism plan that leverages existing tourist attractions. The planning process involved preparation, data collection through field surveys, resource inventory, and interviews with managers. Employing both descriptive and spatial analyses, the research synthesized concepts and site planning. The data analysis encompassed physical, biophysical, tourism, and management aspects. Findings revealed that edu-ecotourism plays a vital role in tourism planning, functioning as an educational resource for environmental character development and a means to showcase agricultural innovations. The research identified ten tourist attractions at the Jonggol Teaching and Research Farm, which include the Sorinfer factory, various plantations, field laboratories, guest houses, and natural resources (31 flora, 2 cultivated animals, and 20 wildlife species), as well as notable topographical, geological, and soil variations, complemented by visual beauty. The resulting edu-ecotourism plan encompassed designated tourist spaces, circulation plans, green planning zones, and activity plans that incorporate interpretation services, such as attraction maps.
Persepsi Ancaman dan Tren Sumber Daya Hutan dan Faktor yang Mempengaruhi Pembalakan di Hutan Omo, Negara Bagian Ogun, Nigeria Bolaji Kofoworola Adedigba; Oyelowo Oyetayo; Adebayo Dorcas Olukemi; Ahmed Ahmed Olaitan; Oke Deborah Olubunmi; Adesogan Damilola Bukola
Jurnal Ilmu Kehutanan Vol 19 No 2 (2025): September
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jik.v19i2.19218

Abstract

This research investigated rural households' views on threats to sustainable forest management and the factors influencing logging in the Omo Forest Reserve Area, which has been experiencing deforestation and unsustainable utilization. The researchers interviewed 300 household heads and validated 276 responses for Ordinary Least Squares Regression and quantitative summaries, including percentages, frequencies, and bar charts. The results showed that most households were male-headed (92.8%) and married (87.3%), with primary and secondary education accounting for 29.7% and 39.2%, respectively. Male-headed households made up 92.8%, and 7.2% were female-headed households. Approximately 50.7% considered logging a significant threat to forest sustainability, while 48.6% viewed the failure to replant as a serious problem. A total of 18.48% perceived indiscriminate grazing by nomadic herders as a serious threat. Other factors included urbanization, agriculture, and fuelwood collection, all of which posed threats to forest management. Regression analysis yielded a coefficient of determination (R²) of 0.67, suggesting that sex, secondary occupation, age, and length of settlement in forest areas significantly influenced wood logging. Measures such as awareness campaigns, discouraging indiscriminate logging, and enforcing policies are recommended to address these challenges.
English (American) Amelia Nur Puspita; Winastuti Dwi Atmanto; Daryono Prehaten
Jurnal Ilmu Kehutanan Vol 20 No 1 (2026): March
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jik.v20i1.19452

Abstract

The Minister of Environment and Forestry (now the Ministry of Forestry) Decree No. 168 of 2022 recommends developing urban forests as part of green open space (GOS) to improve environmental quality. Therefore, this research aimed to evaluate the suitability of vegetation types and their influence on microclimate conditions and social comfort levels along Jenderal Sudirman Street. The research integrated the analysis of vegetation physical characteristics, microclimate measurements, and social comfort surveys to provide a comprehensive understanding of the role of GOS. The results showed that the vegetation in the GOS on Jenderal Sudirman Street met road planting criteria, with a high suitability level ranging from 87.08% to 92.94%. Vegetation types that provide optimal shade and increase comfort include Tamarindus indica, Pterocarpus indicus, Monoon longifolium, and Mimusops elengi. This vegetation has been proven to reduce average temperatures by up to 6.36°C and increase humidity by 14.17% compared to areas with minimal vegetation. Although the Temperature Humidity Index (THI) indicated uncomfortable conditions, the THI at the research location (26.20°C–27.16°C) was close to the fairly comfortable range. Most respondents also attested to the comfort of these GOS.
Proyeksi Cadangan Karbon Berbasis Data Empiris dalam Agroforestri untuk Mitigasi Perubahan Iklim Muharam Kemal Adam; Mahawan Karuniasa; Yuki Mahardhito Adhitya Wardhana
Jurnal Ilmu Kehutanan Vol 19 No 2 (2025): September
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jik.v19i2.20118

Abstract

Deforestation from monoculture farming significantly contributes to greenhouse gas emissions and ecosystem degradation, highlighting the need for sustainable land management. Agroforestry presents a viable solution for enhancing carbon sequestration. However, many project models rely on assumptions or secondary data, leading to limited accuracy. This research aimed to enhance projections of carbon stock changes by utilizing empirical data from a 12.7-ha tea plantation in West Java, Indonesia. This research established baseline carbon stocks through direct field measurements in a monoculture scenario. Agroforestry interventions involved hardwood species, such as Toona sureni, Altingia excelsa, and Manglietia glauca, in conjunction with coffee crops. Carbon stock accumulation was then projected over ten years using allometric equations and annual growth increments derived from field observations. Results indicated that agroforestry increased carbon sequestration by threefold compared to monoculture, reaching 472.77 t CO2eq/ha by 2032. The findings demonstrated that empirical data-driven modeling resulted in more realistic and reliable projections, enhanced the accuracy of carbon stock predictions, and established agroforestry as a sustainable approach for mitigating climate change.
Exploring Biophysical Impacts of Land Use and Land Cover Change on the Regional Climate of Kalimantan, Indonesia Amelia Fitri; Emilya Nurjani; Andung Bayu Sekaranom
Jurnal Ilmu Kehutanan Vol 20 No 1 (2026): March
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jik.v20i1.22716

Abstract

Land use and land cover change (LULCC) is a major anthropogenic driver of climate variability, particularly in tropical regions experiencing rapid deforestation. This research aimed to investigate the biophysical impacts of LULCC on temperature and precipitation in Kalimantan during 1960–1989, a period that marked the onset of intensive land use transformation in the region. Using the Land Use Model Intercomparison Project (LUMIP) experimental framework and land use data from the Land Use Harmonization version 2 (LUH2), the analysis compared two climate simulations, Historical and Historical with no land use change (Hist_noLu). The results showed a robust warming signal associated with deforestation in Kalimantan, with a mean temperature increase of up to 0.116°C and localized maximum exceeding 0.300°C. Ridge regression analysis indicated that deforestation contributed over 65% to the observed warming. In contrast, precipitation demonstrated weak sensitivity to LULCC. Although both simulations showed a declining trend, the historical simulation had slightly higher precipitation than the Hist_noLu simulation, suggesting that LULCC may have moderated the precipitation decline. However, the 2 regression model's low explanatory power (R2 = 0.099) indicated that other climatic factors played a more dominant role in shaping precipitation patterns in Kalimantan.
Etnobotani Tumbuhan sebagai Obat Tradisional oleh Masyarakat Suku Dayak Laya di Dusun Petuo Kabupaten Sanggau Kalimantan Barat Putri Putri; Syamswisna Syamswisna; Hayatul Fajri
Jurnal Ilmu Kehutanan Vol 20 No 1 (2026): March
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jik.v20i1.25589

Abstract

The Dayak Laya sub-tribe in Petuo Hamlet maintains traditional knowledge of medicinal plants for healthcare. This research aimed to explore the medicinal plants traditionally used by them. A qualitative approach was adopted in this research. Primary data were collected through semi-structured interviews, field observations, and documentation. Informants were selected using a snowball sampling. Secondary data was collected through literature reviews to enrich the primary data. Meanwhile, plant specimens were collected and identified using standard taxonomic references. The results showed that 32 medicinal plant species from 21 families were used by the Dayak Laya sub-tribe, with Zingiberaceae as the most dominant family. Leaves were the most frequently used for medicine, while boiling was the predominant method of preparation. Medicinal plants were primarily administered orally, but topical applications were also observed. The selection and use of plant species were influenced by factors such as availability, cultural practices, and perceived efficacy. The Dayak Laya sub-tribe possesses diverse ethnobotanical knowledge that remains actively practiced. This research reports the importance of documenting and analyzing traditional medicinal knowledge as a basis for preservation and as a potential resource for future pharmacological development.
Analisis Keberlanjutan Program Rehabilitasi Hutan Dan Lahan Di Taman Nasional Rawa Aopa Watumohai Sarwati Ibrahim; Sitti Rosmalah; Hartati Hartati
Jurnal Ilmu Kehutanan Vol 20 No 1 (2026): March
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jik.v20i1.27543

Abstract

Rawa Aopa Watumohai National Park (Taman Nasional Rawa Aopa Watumohai-TNRAW) is a critical conservation area in Southeast Sulawesi, facing high pressure from land degradation, deforestation, and unsustainable resource use. This research aimed to analyze the ecological, economic, and social sustainability of TNRAW following the implementation of the Land and Forest Rehabilitation (RHL) program. The analysis used the Rapid Appraisal for Sustainability (RAPS) method with a Multidimensional Scaling (MDS) and collected data through field observations, focus group discussions, and interviews with key stakeholders. The results revealed that the social dimension had a relatively high sustainability status (88.12), indicating strong community participation and effective conflict-resolution mechanisms. In comparison, the economic dimension was in a fairly sustainable status (59.13), driven primarily by high community income and employment opportunities. The ecological dimension was in a low sustainability status (35.29) due to limited biodiversity, suboptimal species selection, and insufficient maintenance and protection activities, underscoring the need to strengthen ecological restoration strategies. Furthermore, this research highlighted the need to improve rehabilitation efforts by focusing on restoring biodiversity, establishing robust long-term monitoring systems, and implementing integrated management approaches. These management strategies should align with the ecological, economic, and social goals of conservation areas to ensure sustainable outcomes.

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