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All Journal MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management Jurnal Silvikultur Tropika (JST) MEDIA KONSERVASI Jurnal Penelitian Hutan dan Konservasi Alam Jurnal Penelitian Hutan Tanaman Journal of Degraded and Mining Lands Management Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Jurnal Penelitian Sosial dan Ekonomi Kehutanan Jurnal Penelitian Kehutanan Bonita Akta Agrosia Indonesian Journal of Electrical Engineering and Computer Science Jurnal Risalah Kebijakan Pertanian dan Lingkungan Jurnal Sylva Lestari Jurnal Penelitian Kehutanan Wallacea
Budi Kuncahyo
Department Of Forest Management, Faculty Of Forestry, Bogor Agricultural University, Dramaga Campus, PO Box 168, Bogor 16680, Indonesia
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Environmental Science Materials Science & Nanotechnology Social Sciences

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Characteristics and factors affecting surface and shallow landslides in West Java, Indonesia Yulia Amirul Fata; Hendrayanto Hendrayanto; Budi Kuncahyo; Erizal Erizal; Suria Darma Tarigan
Journal of Degraded and Mining Lands Management Vol 10, No 1 (2022)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2022.101.3849

Abstract

Bogor, Cianjur, and Sukabumi areas of West Java Province, Indonesia, are vulnerable landslide areas. This study analyzes the landslide characteristic and the factors affecting landslides. The analysis was carried out on 148 landslides from 415 of 2018-2020 landslides, which were selected purposively by considering the heterogeneity of soil, geology, slope classes, land use type, and accessibility of landslide locations. Landslide characteristics and factors affecting landslides were analyzed using frequency analysis and binary logistic regression. The results showed that the most dominant characteristics of surface and shallow landslides were the landslides characterized by slopes >45%, Quaternary geological period, Andisol soil type, agriculture land use type, the occurrence of rain, and absence of earthquake. The dominant factors affecting surface and shallow landslides are human activities in land use, soil properties, steep-very steep slopes, Inceptisol and Entisol soil orders, young rocks (Quaternary geological period), rainfall events, and high earthquake magnitude.
Implementing Occupational Safety and Health Management System in a Forest Management Unit (FMU) X: A Financial Analysis Ika Lestari; Efi Yuliati Yovi; Budi Kuncahyo
Jurnal Penelitian Kehutanan Wallacea Vol. 9 No. 1 (2020)
Publisher : Foresty Faculty of Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (955.712 KB) | DOI: 10.18330/jwallacea.2020.vol9iss1pp51-62

Abstract

Occupational safety and health (OSH) issues in the Indonesian forestry sector have not been addressed properly even though activities in this sector pose a high risk of OSH disorders. The standard instrument (applies on a national scale) to ensure OSH protection in each business units is the Sistem Manajemen K3 (SMK3, Government Regulation Numbered 50 Year 2012). At present, not many forest management units in Indonesia are willing to implement integrated SMK3, because of the assumption that SMK3 is a cost-centered activity. This study aims to present an overview of SMK3 implementation cost (for 64, 122, and 166 criteria) in a Forest Management Unit (FMU) X, as well as analyzing financial capacity of the FMU X to allocate sufficient funds for the SMK3 implementation. The results showed that the Acacia mangium plantation in the FMU X is a feasible business, indicated by the Net Present Value (NPV) of IDR377,690,545, Benefit-Cost Ratio (BCR) 3.96, and Internal Rate of Return (IRR) 25.02%. Further analysis shows that FMU X has good financial ability to support any cost required in implementating SMK3. It is the best for the FMU X to implement 166 criteria (advanced level) of SMK3 (at a cost of IDR704,598/ha/year, NPV ofIDR376,393,262, BCR 3.92, and IRR 24.75%).
Agroforestry model in Leimea Sorinbalo Villange Ermera Municipality Timor-Leste Cristina Soares; Leti Sundawati; Budi Kuncahyo
Jurnal Silvikultur Tropika Vol 14 No 02 (2023): Jurnal Silvikutur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.14.02.176-182

Abstract

Agroforestry is the management of optimal and sustainable land use, by combining forestry and agricultural activities in the same land management unit by taking into account physical, social, and economic environmental conditions. This research was carried out in Leimea Sorinbalo village, Ermera Regency, East Timor, in March and May 2021 using qualitative and quantitative methods. The data used in this study are data obtained directly from agroforestry farmers in Ermera District, East Timor by means of direct interviews with 30 respondents (farmers) regarding the agroforestry model with the help of questionnaires. Analysis of economic data using the three criteria of NPV, BCR and IRR, social and ecological analysis of Descriptive qualitative. The results of the financial analysis showed that the NPV was the results of the financial analysis showed that the NPV was $ 220,184.66, the BCR was 28.7 and the IRR was 35 %. The results the ecological analysis showed that the biodiversity is vanilla, chocolate, Agarwood teak, gamal, jackfruit, orange etc, and social analysis showed that the Local institutions and culture are studies on social aspects. The central institution that serves as a driving force for farmers The non-formal institution in Leimea Sorinbalo village is recorded only as a customary institution that maintains the preservation of agroforestry land through the application of customary laws. Key words: Agroforestry model, ecologicalm, economy, social
Forest Farmer Group Development Model for Sustainable Well-Being in Kampar Regency Gandhiko Mohta; Leti Sundawati; Budi Kuncahyo
Jurnal Sylva Lestari Vol. 11 No. 3 (2023): September
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v11i3.748

Abstract

Sustainable forest resource utilization can alleviate poverty in developing countries, including Indonesia, mainly by rural community groups like forest farmer groups (KTH). However, the capacity of KTH to manage forest resources is still low, leading to a decline in their well-being, exemplified in KTH in Kampar Regency. Unlike previous studies, this research focuses on developing KTH based on institutional, area management, and business aspects. The objective of the study is to analyze the factors influencing KTH’s well-being and build a development model for KTH. The research was conducted in Kampar Regency with 193 respondents using a census method. Data analysis used the Partial Least Squares-Structural Equation Modeling (PLS-SEM) technique. The study’s findings reveal that business management significantly influences KTH’s well-being in Kampar Regency, followed by institutional and area management aspects. The development model for KTH involves enhancing key indicators in each aspect, such as KTH’s involvement in government/non-government organizations/other institution programs, appropriate area utilization, and increased business capital, as key steps to achieve a productive, self-reliant, prosperous, and sustainable management. Keywords: area, business development, forest farmer group, institutional, Poverty alleviation
Stand Structure Dynamic of Logged Over Forest after Selective Timber Harvesting in Boven Digoel, Papua Fitriana Wulansari Permata; Budi Kuncahyo; Haruni Krisnawati; Relawan Kuswandi
Jurnal Sylva Lestari Vol. 11 No. 1 (2023): January
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v11i1.610

Abstract

Logged-over natural forest has a different stand structure and composition from primary natural forest due to logging activities. This study aimed to examine forest dynamics (upgrowth, ingrowth, and mortality) of the logged-over forest in PT. Tunas Timber Lestari (TTL) Papua in both stands with and without treatments. The data used in this study were based on the measurement in the Permanent Measurement Plots (PUP) for ten years. This study grouped data into five diameter classes of 10 cm intervals and three wood species groups (meranti timber, mixed timber, and non-commercial timber). Data analysis was carried out by forming a stand structure model and calculating the rate of ingrowth, upgrowth, and mortality. The stand structure model for each species group in stands with treatment had a significant R² value compared to those without treatment. The average ingrowth rate in the stands with treatment was smaller than without treatment. The values of upgrowth varied with the increase in diameter classes for both stands with and without treatments. The mortality rate in stands without treatment tended to be higher, especially in mixed timber and non-commercial timber groups. In contrast, in the meranti timber group, the mortality rate mostly occurred in the stands with treatment. The stand structure models resulting in this study can be used as important information in determining appropriate silvicultural options for forest stands. Keywords: Forest dynamics, logged-over forest, meranti, selective logging
Dynamics of Change in Mangrove Forest Cover as a Protected Area Using Satellite Image on Peleng Island, Central Sulawesi Mohammad Malik; Kuncahyo, Budi; Puspaningsih, Nining
Journal of Tropical Silviculture Vol. 14 No. 03 (2023): Jurnal Silvikutur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.14.03.183-190

Abstract

Mangrove forest is an important ecosystem supporting the life activities of coastal communities because it has various functions so it is very vulnerable to various disturbances. This problem is an important factor in the decline in the ability of mangroves to maintain the stability of the coastal ecosystem. Therefore, it is necessary to monitor and evaluate the dynamics of mangrove cover change in a spatio-temporal manner using remote sensing methods. Landsat imagery with a spatial resolution of 30 m was chosen as a data source to analyze the dynamics of mangrove forest cover. The purpose of the study was to measure, map and estimate the area of mangrove cover in 2019 and build a guided classification of mangrove cover changes in 2029 to estimate changes in mangrove forest cover, vegetation analysis to calculate diversity values and the Markov chain method using software. Stella. The results showed that the value of mangrove vegetation diversity in the belta strata was higher than the tree strata. Based on the significance value according to the criteria of ecosystem stability, it shows that the mangrove vegetation on Peleng Island is in the medium category and quite stable. Mangrove forests have continued to decline by 10.21% from 1999 to 2019, and in 2029 it is predicted that the area will continue to decline if this condition is left without any government policies that regulate it. Keywords: Dynamics, diversity, Landsat, mangroves, Peleng Island
Carbon Stock Estimation on Oil Palm Plantations and Oil Palm-Based Agroforestry in Gunung Mas Regency Rosaprana, Wanella; Kuncahyo, Budi; Puspaningsih, Nining
Media Konservasi Vol. 28 No. 3 (2023): Media Konservasi Vol 28 No 3 December 2023
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/medkon.28.3.253-261

Abstract

Central Kalimantan has one of the highest rates of deforestation and palm oil production in Indonesia. These changes have ecological impacts such as loss of animals, loss of water absorption functions, and increased carbon emissions. Agroforestry is a synergistic planting system between agricultural crops and forest stands to maintain the ecological balance. Sengons are legume plants that can be utilized in agroforestry systems. This study aimed to calculate the amount of belowground and aboveground carbon stocks on palm oil plantations and agroforestry lands consisting of palm oil and sengon trees in Manuhing and Rungan Barat districts. Belowground carbon consist of soil carbon, which is affected by the soil depth, bulk density, and soil C-organic value. Aboveground carbon consists of the sum of litter carbon, undergrowth carbon, and top stand vegetation carbon. Belowground carbon was measured using both disturbed and undisturbed methods. Litter and undergrowth carbon were measured using a destructive method, then top stand vegetation was measured by the allometric equations using breast height diameter. The comparison from all carbon pool shows that the palm oil plantations (2106,520 tons/ha) was higher than agroforestry lands (1834,734 tons/ha). This difference is strongly influenced by the potential of the different in belowground carbon stock for each land-use type. The highest potential carbon stock from this study was owned by belowground carbon stock. In the Manuhing district, belowground carbon stock was led by agroforestry lands (1786,907 tons/ha), whereas in the Rungan Barat district was led by palm oil plantations (1756,291 tons/ha).
PEMODELAN POLA PRODUKTIVITAS TANDAN BUAH SEGAR (TBS) BERDASARKAN APLIKASI BEBERAPA AGEN HAYATI TERHADAP HAMA DI PERKEBUNAN KELAPA SAWIT Salmiyati, Salmiyati; Kuncahyo, Budi
Akta Agrosia Vol 25 No 2 (2022)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Pests are controlled in oil palm plantations by using biological agents to achieve higher productivity of fresh fruit bunches (FFB) of oil palm (Elaeis guineensis Jacq.). This study aims to create a modeling pattern for oil palm FFB productivity based on application data of biological agents at several levels of planting age. The research was conducted in Pelalawan, Riau, namely on young plants, juvenile plants, mature plants and old plants on mineral soil. The data used are the application data of the biological agents Tyto alba, Antigonon leptosus and Turnera subulata. Data were analyzed using Cobb Douglas multiple linear regression and correlation analysis. The results of the regression analysis are used to build a model for predicting FFB productivity patterns using Stella Software. The results of the model regression analysis showed that the coefficient of determination was obtained at 0.265, meaning that together the variables Antigonon leptosus, Tyto alba and Turnera subulata affected FFB productivity by 26.5%. The results of the regression analysis showed that the effect of each Antigonon leptosus, Tyto alba, and Turnera subulata increased by 1%, so FFB productivity increased by 0.018, 0.024, and 0.028%, respectively. The modeling pattern for the development of biological agents shows that FFB productivity will increase and start to decrease at the ages of 14 - 30 years in young, juvenile, mature, and old plants. The total rate of increase from the application of biological agents is 0.047%.
Scenario of Sustainable Food Plantation Forest Management in the Central Kalimantan EX-PLG Area Kuncahyo, Budi; Mardiana, Rina; De, Sevana
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 15 No 3 (2025): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.15.3.392

Abstract

Hutan dan lahan berperan penting dalam pemenuhan kebutuhan pangan ternak. Sistem pangan memainkan peran penting karena melibatkan sistem sosial-ekologis yang kompleks. Namun, food estate, terutama di lahan gambut, saat ini menjadi subyek perdebatan multi-sektoral mengenai keberlanjutannya. Penelitian ini berfokus pada pencarian alternatif pengelolaan lahan yang dapat mengakomodasi kepentingan konservasi dan ekonomi sekaligus memberikan manfaat sosial secara adil dan berkelanjutan. Dengan menggunakan kawasan eks PLG sebagai wilayah kajian, analisis kandungan kebijakan ekstensifikasi lahan food estate dan implementasinya menunjukkan inkonsistensi 45% sehingga menimbulkan konflik horizontal antar masyarakat lokal. Dalam upaya menggali alternatif pengelolaan lahan yang dapat mengakomodasi kepentingan multi sektoral, ditemukan tujuh jenis tanaman yang dikembangkan oleh masyarakat lokal di wilayah eks PLG memiliki NPV>1 dan BCR>0, sedangkan pada analisis multidimensi Rap-Gambut, ketujuh jenis tanaman tersebut memiliki indeks keberlanjutan rata-rata yang cukup baik (50,01-75,00). Analisis leverage menginformasikan tiga variabel penting, yaitu intensitas kebakaran lahan, penyerapan tenaga kerja, dan intensitas konflik lahan. Berdasarkan empat skenario yang dikembangkan, skenario IV adalah yang paling layak secara finansial untuk dilaksanakan. Dengan demikian, mempertahankan fungsi kawasan dengan mengintegrasikan beragam komoditas lokal (skenario IV), serta mempertahankan fungsi kawasan dengan mengintegrasikan beragam komoditas lokal (skenario IV).
Model Development of the Forest Quality Assessment using Second-Order Confirmatory Factor Analysis Zulkarnain; Saleh, Muhammad Buce; Kuncahyo, Budi; Tiryana, Tatang; Puspaningsih, Nining
Jurnal Sylva Lestari Vol. 13 No. 2 (2025): May
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v13i2.1064

Abstract

Forest quality plays a crucial role in sustaining the functions of forest ecosystems. This study aims to develop a valid and reliable model for assessing forest quality through six dimensions: forest productivity, forest structure, soil factors, climatic conditions, topography, and anthropogenic factors. Vegetation data were collected from 138 sample plots using a stratified purposive sampling method. Soil, topography, and climate data were obtained from the SoilGrids, DEMNAS, CHIRPS, and NASA POWER websites, respectively. Anthropogenic data were derived from Sentinel-2 imagery. The forest quality assessment model was developed using confirmatory factor analysis (CFA). Results showed that forest structure, forest productivity, soil, and anthropogenic factors are valid and reliable in assessing forest quality, with forest productivity as the primary determinant. However, topographic and climatic factors were not valid for assessing forest quality due to the low variation in topographic and climatic data within the study area. The goodness-of-fit model evaluation indicated a good fit based on criteria including the chi-square, RMSEA, GFI, SRMR, AGFI, TLI, CFI, NFI, and CMIN/DF. Based on the relative weights of each dimension and indicator and using linear additive equations, a mathematical equation for the forest quality index is derived, providing a practical framework for assessing forest quality at the landscape scale, particularly in heterogeneous tropical ecosystems. Keywords: confirmatory factor analysis, forest quality assessment, Rawa Aopa Watumohai National Park, sustainable forest management
Co-Authors Bambang Hero Saharjo Cristina Soares De, Sevana Dodik Ridho Nurrochmat Efi Yuliati Yovi Erizal , Eva Achmad Fitriana Wulansari Permata Gandhiko Mohta Haruni Krisnawati Hendrayanto . Herry Purnomo I Nengah Surati Jaya Ika Lestari Hutasuhut Israr Albar Leti Sundawati Mira Yulianti Mohammad Malik Muhammad Abdul Qirom Muhammad Abdul Qirom Muhammad Buce Saleh Nining Puspaningsih Permatasari, Noviyanti Ramadhani, Savira Pramesti Relawan Kuswandi Resti Kharisma Reyna Ashari Rina Mardiana Rosaprana, Wanella Salmiyati, Salmiyati Setiawan, Dian Suria Darma Tarigan Tatang Tiryana Tri Hastuti Swandayani Witno Witno Yulia Amirul Fata Zulkarnain