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INDONESIA
Indonesian Journal of Forestry Research
Published by Asosiasi Peneliti dan Teknisi Kehutanan dan Lingkungan Hidup Indonesia
ISSN : 23557079     EISSN : 24068195     DOI : https://doi.org/10.59465/ijfr
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Indonesian Journal of Forestry Research (IJFR) was first published as Journal of Forestry Research (JFR) in November 2004 (ISSN 0216-0919). The last issue of JFR was published in December 2013. The Journal has been accredited by the Indonesian Institute of Sciences since 2008 and by the Ministry of Research, Technology and Higher Education since 2018. IJFR has also obtained accreditation “Peringkat 1” or “Rank 1” from the Ministry of Research and Technology/National Research and Innovation Agency in 2020 (Decree Number: 200/M/KPT/2020). IJFR is issued in one volume per year, including two issues delivered in April and October. IJFR was previously published by the Research, Development and Innovation Agency - the Ministry of Environment and Forestry, formerly known as Forestry Research and Development Agency (FORDA) - the Ministry of Forestry, Republic of Indonesia. Due to national policy change in research institution, the Ministry would no longer manage and publish the IJFR. Therefore, since 2023, the management and issuance of the IJFR is handed over to the Association of Indonesian Forestry and Environment Researchers and Technicians (APTKLHI). Consequently, the logo of the publisher was updated accordingly. The Indonesian Forestry Research Journal is a scientific publication of the Association of Indonesian Forestry and Environment Researchers and Technicians (APTKLHI). This journal publishes the latest results of main findings and synthesis articles that contain significant contributions to science and theoretical applications in fields related to the scope of forestry research.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Kehutanan
Articles 177 Documents
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DIVERSITY OF PLANT COMMUNITIES IN SECONDARY SUCCESSION OF IMPERATA GRASSLANDS IN SAMBOJA LESTARI, EAST KALIMANTAN, INDONESIA Yassir, Ishak
Indonesian Journal of Forestry Research Vol. 1 No. 2 (2014): Indonesian Journal of Forestry Research
Publisher : Association of Indonesian Forestry and Environment Researchers and Technicians

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59465/ijfr.2014.1.2.139-149

Abstract

Regeneration of Imperata grassland areas is becoming increasingly important, both to create new secondary forest and to recover the original biodiversity. The diversity of plant communities in secondary succession of Imperata grasslands was studied using 45 subplots of 9 linear transects (10 m x 100 m). Data was collected and all stems over 10 cm dbh were identified, the Importance Values Index (IVI) for all trees were calculated, saplings and seedlings were counted and analysed, and soil samples were taken and analysed. Results showed that after more than 10 years of regeneration, 65 families were encountered consisting of 164 species, which were dominated by Vernonia arborea Buch.-Ham, Vitex pinnata L., Macaranga gigantea (Reichb.f. & Zoll.) Muell.Arg., Symplocos crassipes C.B. Clarke, Artocarpus odoratissimus Miq., and Bridelia glauca Blume. The effects of regeneration, from Imperata grassland to secondary forest, on soil were the strongest in the A-horizon where an increase in carbon, N content, and pH were observed. Our result shows that Imperata grasslands appear to be permanent because of frequent fires and human interferences and so far few efforts have been made to promote sustainable rehabilitation. If protected from fire and other disturbances, such as shifting cultivation, Imperata grassland will grow and develop into secondary forest.
THE ECONOMIC VALUE OF HYDROLOGICAL SERVICES IN MENDALAM SUB WATERSHED, KAPUAS HULU REGENCY, WEST KALIMANTAN, INDONESIA Roslinda, Emi; Yuliantini, Yuliantini
Indonesian Journal of Forestry Research Vol. 1 No. 1 (2014): Indonesian Journal of Forestry Research
Publisher : Association of Indonesian Forestry and Environment Researchers and Technicians

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59465/ijfr.2014.1.1.1-8

Abstract

Forest ecosystem supports almost all of the needs of human being through its contribution of tangible and intangible values. Currently, the intangible values have gained less attention than the tangible values that cause underestimation of the total value of the forest conversion into other more tangibly profitable usages, and miss-management of the forest. One of the important intangible values is the hydrological value that has been hardly calculated until now. This research the intangible values of water for household, transportation, agriculture and fishing in Mendalam Sub Watershed, Kalimantan. The economic values calculated based on market prices, opportunity costs and consumer’s surplus methods. The results showed that based on the opportunity cost method the economic values of the hydrological services was about Rp 8,043,706,237.50 per year. Meanwhile, the economic values of the hydrological services based on the consumer’s surplus method gave lower value than the former method, i.e. Rp 8,031,351,664.60 per year. This study showed that the economic value of the hydrological services was very high, which has not been included in the calculation yet. However, without trees there would be no forest and all other values included water value would not exist. Consequently, current forest management should put forest ecosystem as important to consider.
DEVELOPMENT PROCESS OF WATERSHED PARTNERSHIP: A CASE STUDY OF LIMBOTO WATERSHED - GORONTALO, INDONESIA Hidayat, Gun Gun; Kakizawa, Hiroaki
Indonesian Journal of Forestry Research Vol. 1 No. 1 (2014): Indonesian Journal of Forestry Research
Publisher : Association of Indonesian Forestry and Environment Researchers and Technicians

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59465/ijfr.2014.1.1.9-20

Abstract

Establishment of watershed partnership is required to achieve integrated watershed management in Indonesia. Taking “partnership of Limboto watershed” as a case study, this study aimed to explore the development process of watershed partnership and its state and role in a watershed. Data and information were collected through interviews, group discussions and questionnaire survey. The results showed that in the early stages, through a good preparation process, the partnership gained recognition and support from stakeholders. Informal, open, and voluntary processes were adopted by the coordinator of the partnership for the establishment and initial operation phases which gave the partnership the experience of being inclusive and an active period which was considered as a good success. However, in the next phase, the partnership was unable to cope with the formalization of the watershed partnership as demanded by the decentralized institution by having a new structure without a definite and responsible institution, secretariat and budget source due to lack of interest of the expected local government to take on the responsibility. Formalization resulted in the disfunction of the partnership. Though, many participants considered the partnership had a positive role, especially concerning exchange of information and improvement of concern about the community. This partnership did not yet function for integrated watershed management, but more to educate and inspire people on watershed conservation through project-based activities.
REALIZED GENETIC GAIN AND SEED SOURCE X SITE INTERACTION ON STAND VOLUME PRODUCTIVITY OF ACACIA MANGIUM Nirsatmanto, Arif; Setyaji, Teguh; Wahyuningtyas, Reny Setyo
Indonesian Journal of Forestry Research Vol. 1 No. 1 (2014): Indonesian Journal of Forestry Research
Publisher : Association of Indonesian Forestry and Environment Researchers and Technicians

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59465/ijfr.2014.1.1.21-32

Abstract

Following the results of the comprehensive tree improvement programs for Acacia mangium, it is necessary to estimate the real amount of genetic improvement and to develop an improved seed deployment strategy. This study was aimed to verify realized genetic gain on stand volume productivity attained by the first-generation Seedling Seed Orchards (SSO) of A. mangium and to identify the magnitude of seed sources x site interaction as a basis for improved seed deployment. Seeds from five SSOs were tested together with seeds from seed stand in genetic gain trials which were established in South Kalimantan and Central Java. Realized gains were calculated from the percentage improvement of respective SSOs compared with seed stand at two and four years of age. Seed source x site interaction was investigated through analysis across the two sites. Results of the study showed that trees derived from the five SSOs produced better stand volume than those from seed stand. At four years of age, stand volume of the best SSO reached around 127 m3/ha in South Kalimantan and 84 m3/ha in Central Java. Realized genetic gain were around 66% at two years and 59% at four years in South Kalimantan, and around 136% at two years and 81% at four years in Central Java. Seed source x site interaction was not significantly different indicating superiority of improved seed were consistent across the two sites with the average realized gain ranging from 18% to 79% and 24% to 62% at two and four years, respectively.
SOME PROBLEMS IN MAINTAINING SUSTAINABILITY OF INDONESIA'S FORESTS: DESCRIPTIVE STUDY Handoko, Cecep
Indonesian Journal of Forestry Research Vol. 1 No. 1 (2014): Indonesian Journal of Forestry Research
Publisher : Association of Indonesian Forestry and Environment Researchers and Technicians

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59465/ijfr.2014.1.1.33-46

Abstract

Indonesia's forests have economic, social, and environmental benefits. Some national efforts, as well as support from the global community for sustaining forest development in Indonesia have been done. However, some problems were still reported during the implementation of the forest development. Thorough analysis was needed to formulate the root of the problems, and to identify solutions/supports to the current forest development to achieve its sustainability. Descriptive analysis was used in this study. The results indicated that sustainable forest development in Indonesia was still faced with the problems of uncertainty of management, insufficient management capacity, and lack of law enforcement. These conditions were indicated by high conflict of interests as well as lack of support from stakeholders, not enough forest management actions at site-level, and high forest degradation. Aiming at overcoming problems of sustainable forest development and maintaining sustainability of Indonesia's forest, national forest management needs to embrace more space for communication, openness, mutual learning, collaboration in addressing forest conflicts, and determining the future direction of its sustainability goal of management.
DEVELOPING SITE-SPECIFIC ALLOMETRIC EQUATIONS FOR ABOVE-GROUND BIOMASS ESTIMATION IN PEAT SWAMP FORESTS OF ROKAN HILIR DISTRICT, RIAU PROVINCE, INDONESIA Nugroho, Nunung Puji
Indonesian Journal of Forestry Research Vol. 1 No. 1 (2014): Indonesian Journal of Forestry Research
Publisher : Association of Indonesian Forestry and Environment Researchers and Technicians

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59465/ijfr.2014.1.1.47-65

Abstract

In forest biomass assessment studies, the selection or development of reliable allometric biomass equations is an essential step which determines largely the accuracy of the resulted biomass estimates. Unfortunately, only few studies on allometric biomass equations have been conducted for peat swamp forests and the results are usually not publicly accessible or well documented. Thus, the objective of this study was to develop site-specific allometric equations for above-ground biomass (AGB) estimations in tropical peat swamp forests in Indonesia. These equations were developed based on 51 destructively sampled trees. The results indicated that the developed site-specific allometric equations have coefficient of determination (R2) greater than 95%. The R2 values ranged from 97.0% to 98.7%, where the lowest R2 value resulted from the simplest model which used only DBH as a predictor. Model 5, which used DBH, H and ρ as predictive variables, provided best performance when estimating the AGB of the study area. Hence, as long as reliable data are available as input, Model 5 is recommended. The accuracy and applicability of the allometric equations for peat swamp forests could be improved further by adding more sampled trees from different tree species and/or with a wider DBH range. Considering the importance of wood density in the estimation of the AGB and the lack of this information for peat swamp forest tree species, research should be dedicated to analysing the wood density of the dominant tree species comprising the majority of the AGB density in the study area.
DECOLORIZATION OF AZO DYES AND MINERALIZATION OF PHENANTHRENE BY TRAMETES SP. AS03 ISOLATED FROM INDONESIAN MANGROVE FOREST Hidayat, Asep; Tachibana, Sanro
Indonesian Journal of Forestry Research Vol. 1 No. 1 (2014): Indonesian Journal of Forestry Research
Publisher : Association of Indonesian Forestry and Environment Researchers and Technicians

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59465/ijfr.2014.1.1.67-75

Abstract

Textile industry contributes the most disposals of synthetic dyes, and about 40% of textile dyes has been generating high amount of colored wastewater. Polycyclic aromatic hydrocarbons (PAHs), such as phenanthrene, is a group of organic compounds, that structurally comprised of two or more benzene rings, which persist in air, water, and soil. The organic pollutants of dyes and PAHs have adversely effects the food chain and are potentially toxic, mutagenic, and carcinogenic to the environment. The objective of this research is to screen and investigate the potential fungus from mangrove forest to degrade azo dyes and phenanthrene. In this study, fungi were collected from mangrove forest in Riau Province – Sumatra – Indonesia. Previously, Trametes sp. AS03 is one of the fungi isolated from mangrove forest in Riau Province, that was able to decolorize Remazol Brilliant Blue R (RBBR). The capability of Trametes sp. AS03 to decolorize four azo dyes, Remazol B. Violet (V5), Levafix Orange E3GA (Or64), Levafix B. Red E-6BA (R159), and Sumifix S. Scarlet 2GF (R222), were further evaluated. The result shows that Trametes sp. AS03 decolorized 91, 60, 48, and 31 of V5, R222, R159, and Or64, respectively. By showing its capability to decolorize some of the dyes, Trametes sp. AS03 was used to break down phenanthrene. AS03 degraded more than 70% of phenanthrene in 15 days.
FOREST ECOSYSTEM SERVICE UTILIZATION TO INCREASE HUMAN HEALTH: FOREST THERAPY TRIALS IN TAMAN HUTAN RAYA IR DJUANDA Emmelinda Satyawan, Verda; Rusdiana, Omo; Latifah, Melly
Indonesian Journal of Forestry Research Vol. 12 No. 1 (2025): Indonesian Journal of Forestry Research
Publisher : Association of Indonesian Forestry and Environment Researchers and Technicians

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59465/ijfr.2025.12.1.67-82

Abstract

Forest therapy is an activity used to obtain health benefits from forest environmental services. This research conducted a systematic literature review, constructed a forest therapy program based on said literature review, and experimented on how the forest therapy program affects human health. The forest therapy program was experimented with in "Ir. H. Djuanda Forest Park (Tahura Djuanda)" in Bandung, West Java, Indonesia. This research also analyzed forest characteristics: temperature, humidity, light intensity, and noise levels. The forest therapy program developed consists of stretching, walking in the forest, forest sensing, and consuming boiled sweet potatoes and warm tea. The temperature of the area ranged from 22 to 25.6°C, with humidity ranging from 61% to 87%. Light intensity ranged from 291 lux to 970 lux and noise levels ranged from 49 dB to 52.5 dB. The forest therapy program, which involved 30 participants, demonstrated a notable impact on reducing pulse rate and alleviating negative emotion (mood), suggesting its effectiveness in fostering both psychological and physiological relaxation. However, the findings also revealed a decrease in oxygen saturation, which contradicts the expected outcome following a forest therapy program. Further research is needed regarding the precise mechanisms through which individuals derive therapeutic benefits from natural interventions. It is also important to experiment with a diverse sample size and characteristics of participants. Additionally, it is also crucial to conduct a study on the economic value of forest therapy as a business opportunity in Indonesian conservation areas.
IMPLEMENTATION ANALYSIS OF PUBLIC INFORMATION DISCLOSURE POLICY: A CASE STUDY OF THE FOREST MANAGEMENT TECHNICAL PERSONEL INFORMATION SYSTEM (THE SIGANISHUT) Dwi Septina, Ane; Rianti, Anita; Iqbal, Mohamad; Sihombing, Vivin Silvaliandra; Rahmayanti, Atika Zahra
Indonesian Journal of Forestry Research Vol. 12 No. 1 (2025): Indonesian Journal of Forestry Research
Publisher : Association of Indonesian Forestry and Environment Researchers and Technicians

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59465/ijfr.2025.12.1.99-114

Abstract

The analysis of public information disclosure policy implementation is a crucial step in improving services and providing strategic references for government public information programs. The Forest Management Technical Personnel Information System (SIGANISHUT) was developed under the Ministry of Environment and Forestry (MoEF) Regulation No. 8 of 2021. This study examined the implementation of public information disclosure within SIGANISHUT, which is managed by the Directorate of Fees and Forest Product Distribution, Directorate General of Sustainable Forest Management. Using qualitative methods—including in-depth interviews, literature reviews, and observations—this study found that SIGANISHUT is managed with a user-centered approach. However, challenges persist regarding resource availability and disposition. The system requires additional personnel and increased budget allocation to support field-level policy socialization. Despite these challenges, policy implementers demonstrate accountability in implementing MoEF Regulation No. 8 of 2021 and respond effectively to user complaints and operational issues. From a bureaucratic perspective, the current framework adheres to the Standard Operating Procedures outlined in the regulation, with a well-coordinated division of responsibilities among implementers. SIGANISHUT streamlines bureaucracy by reducing service times through digital integration.With sufficient support and well-designed policies, the legislative mandate on public information disclosure can be implemented more effectively and efficiently. This study underscores the importance of continuous evaluation and development to ensure SIGANISHUT meets stakeholder expectations and contributes to transparency and accountability in sustainable forest management.
COMMUNITY WELFARE AND FOREST SUSTAINABILITY IN SOCIAL FORESTRY PROGRAMS: A CASE STUDY OF KTH BHAKTI ALAM LESTARI IN MALANG, EAST JAVA Ramadhan, Ramli; Afiq, Muhammad D; Anggara, Arik; Triwanto, Joko
Indonesian Journal of Forestry Research Vol. 12 No. 1 (2025): Indonesian Journal of Forestry Research
Publisher : Association of Indonesian Forestry and Environment Researchers and Technicians

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59465/ijfr.2025.12.1.13-26

Abstract

The implementation of the Social Forestry (SF) program in Indonesia has an important role in improving community welfare and promoting the sustainability of forest resources. The alignment of environmental conservation goals with initiatives aimed at improving community welfare can be achieved through the implementation of social forestry. Forest sustainability is considered to be in good condition when both ecological and economic objectives can be maintained. This study examined the level of welfare in Forest Farmers Group (KTH) Bhakti Alam Lestari through income contribution and forest sustainability. The results showed that the SF program provided an average contribution of 28.5% of total income. The welfare status of the KTH Bhakti Alam Lestari members was assessed based on the poverty line set by the Central Agency on Statistics Indonesia (BPS)2022. Based on this data, 54% of members of KTH Bhakti Alam Lestari are classified as underprivileged. SF management generates a monthly per capita income of 9,8 USD (IDR. 161,478). This has reduced the poverty rate to 20% of KTH members categorized as poor, and 80% classified as non-poor. Several efforts have been made to increase land cover, resulting in a decrease in open land classification from 19% to 15%, and an increase in low land cover classification from 25% to 32%, which was characterized by a greater diversity of plant species, especially from the recently planted MPTS plants on the farmers' land.

Page 16 of 18 | Total Record : 177

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