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Journal articles on the topic 'Felling technique'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Suhartana, Sona, and Yuniawati Yuniawati. "TWO FELLING TECHNIQUES AND FELLER POSTURES FOR INCREASING THE UTILIZATION OF GMELINA WOOD (A case study at two timber estates in East Kalimantan)." JOURNAL OF FORESTRY RESEARCH 3, no. 1 (2006): 31–40. https://doi.org/10.20886/ijfr.2006.3.1.31-40.

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Fellingis an early step in timber utilization process. Efficiencyand effectivity of felling technique, tool type and feller posture will affect the whole timber utilization efficiency. This study was carried out at two timber estates in East Kalimantan and intended to see the effect of two felling techniques and feller postures on felling productivity, fellingcost, as well as timber utilization efficiency. Primary  data collected in this research  included :  felling time, volume  of  felled timber, productivity, felling efficiency, stump height and felling cost. The d

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Budiaman, Ahmad, Hardjanto, and Yohana Natalia. "Cost Analysis of Skyline-assisted Felling Technique in Private Forests in Probolinggo, Indonesia." Jurnal Sylva Lestari 13, no. 1 (2024): 21–31. https://doi.org/10.23960/jsl.v13i1.990.

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Tree felling is an important component of the forest harvesting system. A skyline-assisted felling technique (locally known as the ‘sandat’ felling technique) is used in private forest harvesting in Probolinggo, East Java, Indonesia, as an alternative to the conventional felling technique. This felling technique is used in private forests planted with an agroforestry pattern. Private forest farmers have recognized the technique as an effective way to protect multi-purpose tree species, especially coffee plants, but the technique’s efficiency is not yet known. The study analyzed the costs and p

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Budiaman, Ahmad, Hardjanto, and Sarah Agustin. "EFFEKTIVITAS TEKNIK PENEBANGAN TERARAH DENGAN BANTUAN TALI DI HUTAN RAKYAT." Jurnal Belantara 7, no. 2 (2024): 337–47. http://dx.doi.org/10.29303/jbl.v7i2.1041.

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Directional felling is a technique that directs fallen trees in a predetermined direction to minimize damage to residual stands and understory plants and facilitate subsequent stages of timber handling. One of the felling techniques used in private forest harvesting was the rope-assisted directional felling technique. The study aimed to analyze and evaluate the effectiveness of the rope-assisted directional felling technique in private forests. The study was conducted in a private forest managed with an agroforestry system in Probolinggo, East Java. The number of sampled trees was 31 trees. Th

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Budiaman, A., Hardjanto Hardjanto, S. Agustin, et al. "Time Consumption and Productivity of Sandat Felling Technique in Agroforestry Private Forests in Probolinggo, Indonesia." Jurnal Manajemen Hutan Tropika (Journal of Tropical Forest Management) 30, no. 1 (2024): 1–11. http://dx.doi.org/10.7226/jtfm.30.1.1.

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Agroforestry is a cropping pattern that is commonly applied to private forest management in Indonesia. Agroforestry based private forest is a land-based silviculture that incorporates forestry plants with agricultural crops, plantation crops, and multi-purpose plants. One of the felling techniques used in agroforestry based private forests is the sandat-felling technique (SFT), which is a rope-assist felling technique. The felling technique was used to protect the remaining stand of the agroforestry based private forest. This technique is an innovation in the harvesting of agroforestry based p

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Yuniawati, Yuniawati, S. Andini, and M. H. Ningrum. "Application of Conventional and Improved Techniques in Felling and Skidding to Residual Stand Damages." Jurnal Manajemen Hutan Tropika (Journal of Tropical Forest Management) 29, no. 3 (2023): 234–42. http://dx.doi.org/10.7226/jtfm.29.3.234.

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Felling and skidding are essential in the timber extraction process. But on the other hand, residual stand damage can’t be avoided. This study aimed to analyze the impact of conventional and improved felling and skidding techniques on residual stands in natural forests. Three observation plots were developed to identify the types, numbers, and criteria of residual stand damage due to both techniques. The criteria were categorized as a) minor damage (<25%), b) moderate damage (25–50%), and c) major damage (>50%). It showed that the conventional felling and skidding technique caused damage

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Suhartana, Sona, and Krisdianto Krisdianto. "MINIMIZING RESIDUAL STAND DAMAGE AND FELLING COST USING LOWEST POSSIBLE FELLING TECHNIQUE (A case study in one logging company in West Kalimantan)." Journal of Forestry Research 2, no. 1 (2005): 1–11. https://doi.org/10.20886/ijfr.2005.2.1.1-11.

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The implementation of felling technique in logging companies is not yet carried out efficiently and appropriately. Study on the lowest possible felling technique (LPFf) is considered  to be important to  reduce residual  stand damage and felling cost. This study was carried out in a logging company in West Kalimantan in 2004. The aim of this study was to  determine the effect of LPFT on residual stand damage and felling cost. Data collected in this research include: residual stand damage, working time, timber  volume, productivity,  efficiency,  stump &n

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Suhartana, Sona, and Yuniawati Yuniawati. "LOWEST POSSIBLE FELLING TECHNIQUE FOR INCREASING UTILIZATION OF RENGHAS (Gluta renghas L.) WOOD AT A PEAT SWAMP FOREST." JOURNAL OF FORESTRY 3, no. 2 (2006): 115–13. https://doi.org/10.20886/ijfr.2006.3.2.105-113.

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This study was carried out in 2005 at a peat swamp forest company in Jambi. The aim of this study was to find out a technique to increase the utilization of renghas wood in a peat swamp forest by implementing the lowest possible felling technique (LPFT) and  the conventional felling technique (CFT). Data collected in this study were: working time, log volume, waste volume, productivity, efficiency, stump height and felling cost. Two data categories were analyzed with respect to their possible differences by using a t-test. The study showed that the implementation of LPFT produced better r

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8

Silva, Ulisses Sidnei da Conceição, Ademir Roberto Ruschel, and Iolanda Maria Soares Reis. "Factors Influencing Directional Tree Felling in the Tapajós National Forest, Amazon, Brazil." Journal of Agricultural Science 14, no. 7 (2022): 83. http://dx.doi.org/10.5539/jas.v14n7p83.

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Given its complexity, directional felling is considered one of the most dangerous activities in the exploratory phase of forest management projects for timber obtention. Therefore, detailed studies of the variables influencing its execution are necessary. The present research was conducted in the Tapaj&oacute;s National Forest, Brazilian Amazon, and analyzed 1,075 trees logged using the directional felling technique in a 504.30 ha area. To better understand directional felling, the studied variables were subjected to descriptive analyses and principal component analysis, a multivariate pro

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Nurjanah, Ayu, Aries Sukariawan, and Dina Arfianti Saragih. "PERBANDINGAN KERAGAAN TANAMAN KELAPA SAWIT (Elaeis guineensis Jacq.) PADA SISTEM PEREMAJAAN KONVENSIONAL DAN UNDERPLANTING." Jurnal Agro Estate 5, no. 2 (2021): 82–88. http://dx.doi.org/10.47199/jae.v5i2.215.

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In terms of felling the old palms, there are two techniques for oil palm replanting: conventional and underplanting. The conventional method involves felling all of the old palms at once. Under the underplanting technique, on the other hand, the old palms are felled in stages, and the new palms are planted among the remaining old palms. The purpose of this study was to compare the performance of immature oil palms when replanting old palms using conventional and underplanting techniques. The research was conducted in Kebun Rambutan, PT Perkebunan Nusantara III. In comparison to the conventiona

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Yuniawati, Yuniawati, and Rossi Margareth Tampubolon. "Mengurangi keterbukaan hutan melalui teknik pemananenan kayu yang tepat di hutan alam." Jurnal Ilmu Lingkungan 19, no. 2 (2021): 373–82. http://dx.doi.org/10.14710/jil.19.2.373-382.

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Kegiatan pemanenan kayu memberikan kontribusi yang sangat besar terhadap produksi kayu. Pohon produksi yang berada di dalam hutan tidak dapat dimanfaatkan jika tidak ditebang dan tidak dikeluarkan dari dalam hutan. Metode penelitian ini adalah membuat 6 plot contoh pengamatan (PCP) masing-masing 3 PCP untuk teknik perbaikan (TP) dan 3 PCP untuk teknik konvensional (TK) pada satu petak tebang, melakukan penebangan pohon dan penyaradan dengan TP dan TK, melakukan pengamatan dan pengukuran produktivitas pemanenan kayu dan luas areal hutan yang terbuka akibat penebangan dan penyaradan serta mengan

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Naskrent, Bartłomiej, Witold Grzywiński, Krzysztof Polowy, Arkadiusz Tomczak, and Tomasz Jelonek. "Eye-Tracking in Assessment of the Mental Workload of Harvester Operators." International Journal of Environmental Research and Public Health 19, no. 9 (2022): 5241. http://dx.doi.org/10.3390/ijerph19095241.

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Harvesting large quantities of timber requires the use of various technical means, including harvesters. The introduction of machine logging has greatly improved safety and reduced accident rates but has also resulted in the risk of musculoskeletal disorders and increased psychological strain. The aim of this study was to determine the level of the mental workload of harvester operators in wind-damaged stands, during daytime and nighttime clearfelling, and during late thinning using the technique of eye-tracking (analysis of saccades and pupil dilation). The highest number of saccades for both

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Naskrent, Bartłomiej, Witold Grzywiński, Krzysztof Polowy, Arkadiusz Tomczak, and Tomasz Jelonek. "Eye-Tracking in Assessment of the Mental Workload of Harvester Operators." International Journal of Environmental Research and Public Health 19, no. 9 (2022): 5241. http://dx.doi.org/10.3390/ijerph19095241.

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Harvesting large quantities of timber requires the use of various technical means, including harvesters. The introduction of machine logging has greatly improved safety and reduced accident rates but has also resulted in the risk of musculoskeletal disorders and increased psychological strain. The aim of this study was to determine the level of the mental workload of harvester operators in wind-damaged stands, during daytime and nighttime clearfelling, and during late thinning using the technique of eye-tracking (analysis of saccades and pupil dilation). The highest number of saccades for both

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13

Naskrent, Bartłomiej, Witold Grzywiński, Krzysztof Polowy, Arkadiusz Tomczak, and Tomasz Jelonek. "Eye-Tracking in Assessment of the Mental Workload of Harvester Operators." International Journal of Environmental Research and Public Health 19, no. 9 (2022): 5241. http://dx.doi.org/10.3390/ijerph19095241.

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Harvesting large quantities of timber requires the use of various technical means, including harvesters. The introduction of machine logging has greatly improved safety and reduced accident rates but has also resulted in the risk of musculoskeletal disorders and increased psychological strain. The aim of this study was to determine the level of the mental workload of harvester operators in wind-damaged stands, during daytime and nighttime clearfelling, and during late thinning using the technique of eye-tracking (analysis of saccades and pupil dilation). The highest number of saccades for both

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14

Aryal, B., S. Regmi, and S. Timilsina. "Regeneration status and species diversity of major tree species under scientific forest management in Kapilbastu district, Nepal." Banko Janakari 31, no. 2 (2021): 26–39. http://dx.doi.org/10.3126/banko.v31i2.41898.

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In Nepal, scientific forest managementhas been practiced as an effective forest management technique to utilize forest resources sustainably. However, the program has faced many controversies such as intentional logging of only high-valued timber species like Shorearobusta. In addition, few believe this program is severely affecting the regeneration productivity and species diversity in the natural forests. In order to address these issues, we examinedthe regeneration condition and plant species diversity in the stands where scientific forest management operations were carried out. The data re

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Câmpu, Răzvan V., Mihai A. Bratu, and Mihai Ciocirlan. "The Felling of Hung Up Trees—A Work Safety and Productivity Issue." Forests 11, no. 11 (2020): 1225. http://dx.doi.org/10.3390/f11111225.

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Research Highlights: The felling of hung up trees is considered by literature in the field as an activity with a high injury risk. The low work productivity in the felling of hung up trees is wrongly cited by workers in order to justify various more or less safe work techniques. Background and objectives: The purpose of this paper was to determine work productivity in the felling of hung up trees when this activity has a well-defined structure with stages and specific activities that would allow workers to assess injury risk correctly. In addition, this paper aims to identify the moment when w

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Suhartana, Sona, and Krisdianto Krisdianto. "Minimizing Residual Stand Damage and Felling Cost Using Lowest Possible Felling Technique (a Case Study in One Logging Company in West Kalimantan)." Indonesian Journal of Forestry Research 2, no. 1 (2005): 1–11. http://dx.doi.org/10.20886/ijfr.2005.2.1.1-11.

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Waldrop, Thomas A. "Four Site-Preparation Techniques for Regenerating Pine-Hardwood Mixtures in the Piedmont." Southern Journal of Applied Forestry 21, no. 3 (1997): 116–22. http://dx.doi.org/10.1093/sjaf/21.3.116.

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Abstract Four variations of the fell-and-burn technique, a system developed to produce mixed pine-hardwood stands in the Southern Appalachian Mountains, were compared in the Piedmont region. All variations of this technique successfully improved the commercial value of low-quality hardwood stands by introducing a pine component. After six growing seasons, loblolly pine (Pinus taeda L.) occupied the dominant crown position and oaks the codominant position in fell-and-burn treated stands on poor to medium quality sites. The precise timing of felling residual stems, as prescribed by the fell-and-

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18

Waryanti, Putri, Rissa Rahmadwiati, and Ana Agustina. "PRODUCTIVITY AND COST ANALYSIS OF FELLING AND BUCKING OF TEAK TREES (Tectona grandis L.F.) USING REDUCED IMPACT LOGGING (RIL) TECHNIQUE IN TELAWA FOREST MANAGEMENT UNIT, CENTRAL JAVA." Jurnal Penelitian Hasil Hutan 43, no. 1 (2025): 31–39. https://doi.org/10.55981/jphh.2025.8256.

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Forest harvesting activities are forest management activity which aims to increase forest value, obtain forest products needed by the community, and provide employment opportunities for communities around the forest. One of the forest products in Java Island that is widely used because of its advantages is teak wood (Tectona grandis L.f.). One of the KPHs that produces teak wood is KPH Telawa Perum Perhutani. The implementation of Reduced Impact Logging (RIL) techniques is expected to increase productivity and obtain optimal results, as well as realizing sustainable forest management. This res

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Schütz, Jean-Philippe. "Naturnaher Waldbau: gestern, heute, morgen | Near-Natural Silviculture: Past, Present and Future." Schweizerische Zeitschrift fur Forstwesen 150, no. 12 (1999): 478–83. http://dx.doi.org/10.3188/szf.1999.0478.

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Semantically speaking, the term «near-natural» has found its way into the language because of a humanist approach to nature, namely, how nature relates to culture and mankind; this is in contrast to more fundamental ideologies where nature alone is the central focus. The Swiss approach to this kind of silviculture, expounded by Schädelin and Leibundgut, has been a recognised school of thought in Switzerland for over 70 years. It advocates an all-encompassing outlook on forest management, and is a more comprehensive method than being restricted by one particular silvicultural technique. It is a

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Филичкина, Maria FilichkinaM, Абрамов, and Vitaliy Abramov. "Multi-criteria optimization of skidding process on optional fellings." Forestry Engineering Journal 3, no. 3 (2013): 61–65. http://dx.doi.org/10.12737/1770.

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The paper proposes generalized criterion for evaluating the effectiveness of the primary timber transportation, featuring simultaneous consideration of direct production costs, labor costs, and the cost of laying skid trails and the loss on their removal from the process of forest growing, as well as damage to the felling of the tree stand. The technique of leading the criteria in unequal dimensions to the dimensionless quantity for their convolution using a series of weighting coefficients to optimize the logging is shown.

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Nurunnahar, M. N. S. Pitol, and A. Sharmin. "An assessment of private woodlot at Kaligonj upazilla of Jhenaidah district, Bangladesh." Bangladesh Journal of Agriculture 48, no. 1 (2023): 67–80. http://dx.doi.org/10.3329/bjagri.v48i1.61982.

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The study presents an assessment of the species selection, management technique, and socio-economic benefits of raising private woodlot plantations in Kaligonja upazila, Jhenaidah district of Bangladesh during 2016-2017. A total of 80 woodlot owners were surveyed randomly to assess the status of woodlot plantations. Major growers (55%) were middle-aged (41-55 years) and dominated by males (95%). About 90% of woodlots were rectangular in size and monoculture in species composition (70%) of which about 75% was Swietenia macrophylla. A total of 77.5% of owners has single ownership, whereas about

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Hardjanto, Hardjanto, Qori Pebrial Ilham, Sri Rahaju, Ahmad Budiaman, Fitta Setiajiati, and Priyanto Priyanto. "Inovasi Teknik Penebangan terhadap Perubahan Pengetahuan dan Sikap dalam Praktik Pengelolaan Hutan Rakyat di Desa Karyasari, Kecamatan Leuwiliang." Agrokreatif: Jurnal Ilmiah Pengabdian kepada Masyarakat 11, no. 2 (2025): 230–38. https://doi.org/10.29244/agrokreatif.11.2.230-238.

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Private forests cultivated using agroforestry systems have the potential to produce timber, non-timber forest products, and a variety of agricultural crops. However, such forests are still being managed in a traditional manner, both in terms of cultivation techniques and management. The Service activities of the Dosen Pulang Kampung Program specifically aimed to introduce an innovative tree felling technique called the sandat technique, which minimizes the risk of damage to understory vegetation. The method used in this program is service learning, which integrates academic learning with commu

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Suhartana, Sona, and Yuniawati Yuniawati. "Lowest Possible Felling Technique for Increasing Utilization of Renghas (Gluta renghas L.) Wood at a Peat Swamp Forest." Indonesian Journal of Forestry Research 3, no. 2 (2006): 105–13. http://dx.doi.org/10.20886/ijfr.2006.3.2.105-113.

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Michael, Tomy, Erwin Siregar, Ryan Gabriel Siregar, I. Wayan Lastika Yasa, and I. Made Wirangga Kusuma. "The Principle of Synderesis in Interpreting Legislation." International Journal of Multicultural and Multireligious Understanding 8, no. 7 (2021): 37. http://dx.doi.org/10.18415/ijmmu.v8i7.2877.

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In this study, the method of legal interpretation plays an important role in finding answers to research questions. In the study of statutory regulations, understanding a statutory regulation requires a separate understanding technique. Does the understanding technique itself use reading or interpreting techniques, but all of which must produce the common good. This common good is often called the bonum commune. In the study of legal philosophy, legal justice is the highest goal of law. In the concept of the welfare state, bonum commune is an entity related to the teleology of the felling of b

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Pebrima, Dona, Muhammad Suhdy, and Hengky Remora. "Pengaruh Latihan Ball Feeling terhadap Kemampuan Dribbling pada Atlet Sekolah Sepakbola (SSB)." e-SPORT: Jurnal Pendidikan Jasmani, Kesehatan dan Rekreasi 1, no. 2 (2021): 54–57. http://dx.doi.org/10.31539/e-sport.v1i2.2400.

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This study aims to determine whether there is an effect of ball feeling training on the dribbling ability of YF13 soccer school (SSB) athletes in Lubuklinggau City. The research method used in this study was quasi-experimental. The data was collected using the technique of soccer dribbling ability test, followed by analysis using t-test. The results showed the value in ttable> alpha with a value of `20,843>2,10. From these results, it can be said that there is an influence because the tcount is greater than talpha. In conclusion, ball-felling training on the dribbling skills of YF13 foot

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Britto, Pedro C., Dirk Jaeger, Stephan Hoffmann, Renato C. G. Robert, Alexander C. Vibrans, and Alfredo C. Fantini. "Impact Assessment of Timber Harvesting Operations for Enhancing Sustainable Management in a Secondary Atlantic Forest." Sustainability 11, no. 22 (2019): 6272. http://dx.doi.org/10.3390/su11226272.

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Conservation and management of forest ecosystems are currently largely conflicting goals in the Brazilian Atlantic Forest biome. At present, all parts of the Atlantic Forest are protected and commercial logging is highly restricted. However, sustainable forest management systems can offer significant income opportunities for landholders, and thereby actively support the process of ecosystem rehabilitation and protection of the Atlantic Forest. This research is intended to contribute to enhancing the development of environmentally sound forest management alternatives in the Atlantic Forest biom

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Мамматов, Vladimir Mammatov, Мохирев, and Aleksandr Mokhirev. "THE TECHNIQUE OF FORMATION OF SYSTEM OF FORESTRY MACHINES." Forestry Engineering Journal 7, no. 1 (2017): 111–17. http://dx.doi.org/10.12737/25201.

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A variety of natural-production conditions, which is necessary to conduct logging activities largely complicates the choice of forest machines for each individual company in the industry having logging sites in its composition. Depending on many natural and production conditions such as: slope, bearing capacity of soils, ambient temperature, maximum investments, etc., and the wide range of forestry equipment on the market, engineering divisions of the company solving a problem about the purchase of new or replacement of lost its performance machines are more and more difficult to make the righ

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Noraishah, S., M. Azian, M. Samsudin, et al. "A Comparative Study of Carbon Stock Changes from Different Logging Techniques in Ulu Jelai Forest Reserve, Kuala Lipis, Pahang." Journal of Tropical Resources and Sustainable Science (JTRSS) 3, no. 1 (2015): 98–102. http://dx.doi.org/10.47253/jtrss.v3i1.500.

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   Conventional logging practices are often highly destructive to forest ecosystems. Heavy machinery can compact the soil and destroy vegetation. Previous research by others have demonstrated that environmental damage can be minimized through the use of site- sensitive harvesting techniques. Forest harvesting in the inland forest in Malaysia is generally carried out by a combination of crawler tractor and winch lorry, which we defined as the current logging technique. Under the current logging technique, crawler tractors are used to skid logs from felling sites to skid trails

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Nurjanah, Ayu, Aries Sukariawan, and Dina Arfianti Saragih. "PERBANDINGAN KERAGAAN TANAMAN KELAPA SAWIT (Elaeis guineensis Jacq.) PADA SISTEM PEREMAJAAN KONVENSIONAL DAN UNDERPLANTING." Jurnal Agro Estate 5, no. 2 (2021): 82–88. http://dx.doi.org/10.47199/jae.v5i2.87.

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Rejuvenation is the replacement of new unproductive plant with new plants that are more productive and profitable. In the cultivation of oil palm there are several alternative models of rejuvenation that can be applied including conventional rejuvenation, underplanting rejuvenation and conventional rejuvenation with intercropping. This research was conducted in the Rambutan PTP. Nusantara III (Company). The time of the study was carried out in February to July 2019. This research was conducted using descriptive analysis method, namely by collecting primary data and secondary data. Primary data

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Remington, Susan B. "Amount and Characteristics of Logging Residue on Harvested Areas in Vermont." Northern Journal of Applied Forestry 3, no. 2 (1986): 63–65. http://dx.doi.org/10.1093/njaf/3.2.63.

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Abstract An assessment of the type and volume of logging residue was completed for 49 harvested areas in Vermont (manual felling, ground skidding). The line intersect technique was used to sample residue in the areas. On a per-acre basis, the mean volume of logging residue was 264 ft3 with a range of 69 to 797 ft3. The average volume of residue found in a soft-wood stand was 169 ft3 with a range of 69 to 313 ft3. The average volume of residue found in a hardwood stand was 329 ft3 with a range of 69 to 797 ft3. The average piece size was 3.4 in in diameter at the small end, 6.1 in at the large

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Phillips, Douglas R., and James A. Abercrombie. "Pine-Hardwood Mixtures—A New Concept in Regeneration." Southern Journal of Applied Forestry 11, no. 4 (1987): 192–97. http://dx.doi.org/10.1093/sjaf/11.4.192.

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Abstract Spring felling of standing residuals left after a commercial clearcut, controlled burning the following summer, and hand planting of approximately 450 pine seedlings per acre can produce productive pine-hardwood mixtures on many medium sites in the Southeast. Stand establishment costs are approximately one-half that for conventional pine plantations using intensive site-preparation techniques. These stands have the potential to enhance wildlife, increase forest diversity, improve visual attractiveness, and provide good overall productivity. Early growth of individual pine trees on thr

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Ширнин, Ю. А., И. Г. Гайсин, А. Ю. Ширнин та Д. А. Шамов. "ОБОСНОВАНИЕ СИСТЕМЫ МАШИН И ТЕХНОЛОГИЙ ВЫБОРОЧНЫХ РУБОК ДЛЯ ЛЕСНЫХ ПЛАНТАЦИЙ". Vestnik of Volga State University of Technology Series Forest. Ecology. Nature Management, № 1(49) (26 січня 2021): 82–93. https://doi.org/10.25686/2306-2827.2021.1.82.

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Излагается критический анализ научных публикаций, посвящённых схемам и параметрам размещения (посадки) на территории плантации посадочного материала. Приведены математические зависимости, определяющие угловые параметры направлений валки деревьев на полосу междурядья, обеспечивающие исключение оставляемым на доращивание деревьям каких-либо механических повреждений. Рекомендованы возможные системы машин для выборочных рубок на лесных плантациях, обеспечивающие безущербную для оставляемого на доращивание древостоя валку деревьев. Представлены технологические схемы разработки пасек при проведении

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Nicolotti, G., L. V. Socco, R. Martinis, A. Godio, and L. Sambuelli. "Application and Comparison of Three Tomographic Techniques for Detection of Decay in Trees." Arboriculture & Urban Forestry 29, no. 2 (2003): 66–78. http://dx.doi.org/10.48044/jauf.2003.009.

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This paper reports application of electric, ultrasonic, and georadar tomography for detection of decay in trees and their comparison with the traditional penetrometer. Their feasibility in arboriculture is also evaluated, critically considering some "open problems." The experiments were carried out in an urban environment on two plane (Platanus hybrida Brot.) trees. Both trees, after felling, showed extensive white rot in the central cylinder. The electric tomography revealed low resistivity zones roughly centered in the trunk. A comparison with the successively cut sections showed a fine corr

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Dauda, Yamima, Augustine Osei Boakye, and Prince Kofi Annan Assefuah. "GREEN SUPPLY CHAIN MANAGEMENT AND ENVIRONMENTAL PERFORMANCE: INSIGHTS FROM GHANA'S TIMBER INDUSTRY." Economic Growth and Environment Sustainability 3, no. 2 (2024): 127–31. https://doi.org/10.26480/egnes.02.2024.127.131.

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Green supply chain management (GSCM) practices are a relatively novel concept in the timber sector of developing nations; while extensive literature exists on sustainability management in sectors such as mining, food manufacturing, and the petroleum industry, sustainability has not been adequately addressed in Ghana’s timber industry; this study examined the relationship between GSCM practices and the environmental performance of timber firms in Ghana, employing a cross-sectional study design and purposive sampling technique to select 484 participants from seven timber firms, with questionnair

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Kaba, Gemechu. "Review of the Properties, Acceptance, and Use of Eucalyptus as an Alternative Species in Ethiopia's Wood Industries." Indonesian Journal of Innovation and Applied Sciences (IJIAS) 4, no. 3 (2024): 257–67. http://dx.doi.org/10.47540/ijias.v4i3.1475.

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The demand for forest-related goods and services has continued to grow in Ethiopia due to the increasing population, urbanization, and the boom of the construction sector. In the past, the demand was covered by indigenous timber species, which now have declined due to unwise exploitations. To narrow down the gap between supply and demand an alternative solution is promoting and utilizing fast-growing species such as Eucalyptus wood. To effectively utilize this species identifying its special characteristics, level of acceptance in wood industries, and utilization practices are very important.

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Kaba, Gemechu. "Review of the Properties, Acceptance, and Use of Eucalyptus as an Alternative Species in Ethiopia's Wood Industries." Indonesian Journal of Innovation and Applied Sciences (IJIAS) 4, no. 2 (2024): 188–97. http://dx.doi.org/10.47540/ijias.v4i2.1366.

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The demand for forest-related goods and services has continued to grow in Ethiopia due to the increasing population, urbanization, and the boom of the construction sector. In the past, the demand was covered by indigenous timber species, which now have declined due to unwise exploitations. To narrow down the gap between supply and demand an alternative solution is promoting and utilizing fast-growing species such as Eucalyptus wood. To effectively utilize this species identifying its special characteristics, level of acceptance in wood industries, and utilization practices are very important.

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Palander, Teijo. "Precision Modeling of Fuel Consumption to Select the Most Efficient Logging Method for Cut-to-Length Timber Harvesting." Forests 16, no. 2 (2025): 294. https://doi.org/10.3390/f16020294.

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The fuel consumption of a harvester–operator system was modeled to select logging methods by comparing the forward felling technique (C) and the sideways techniques at the logging edge (A and D) or inside of the stand (B and E). To that end, trees’ logging cycle process data were collected using a drone for time consumption analysis. The fuel consumption data were recorded automatically from the harvester’s digital monitoring system. The fuel consumption averaged 0.22 L during the logging cycle process of trees on flat terrain and 0.25 L for those on sloping terrain. In stands on flat terrain,

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Irsyad, Aziz, Ika Arum Puspita, and Wawan Tripiawan. "Schedule Acceleration Planning in Construction Project (Case Study: Japek II Selatan Tollroad)." International Journal of Innovation in Enterprise System 6, no. 01 (2022): 24–37. http://dx.doi.org/10.25124/ijies.v6i01.145.

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This study focuses on the remaining work at stations (STA) 53+950 to 54+550 in Jakarta – Cikampek II Selatan Toll Road Package III project to find the critical path, completion durations, and project costs before and after acceleration. The CPM Technique was used to compile network planning diagrams, determine the critical path and project duration. Crashing Project was applied to crash schedule through the total project duration and cost whose changes due to the implementation of the crashing method. The critical path was found in mobilization, tree felling, clearing, dig and haul, borrow mat

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de la Fuente, Teresa, Dan Bergström, Raul Fernandez-Lacruz, et al. "Environmental Impacts of Boom-Corridor and Selectively Thinned Small-Diameter-Tree Forests." Sustainability 14, no. 10 (2022): 6075. http://dx.doi.org/10.3390/su14106075.

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European forest stands of small-diameter trees can provide industries with biomass as an alternative to fossil use. Small-tree harvesting is costly using conventional methods but using accumulating felling heads (AFH) in combination with a novel boom-corridor thinning (BCT) technique can increase harvester productivity and supply cost efficiency. This method has great potential to reduce costs, but its environmental impact compared with selective thinning (ST) needs to be determined. The objectives of this study were therefore to quantify and compare tree and soil damage as well as air, water

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Anggraini, Novita, and Nugrananda Janattaka. "The Analysis of Moral Value in Story Book at Indonesian Language "Aku Bangga Bahasa Indonesia" Third Grade at SDN 3 Padangan Ngantru of Tulungagung 2018/2019." JURNAL PENDIDIKAN DASAR NUSANTARA 5, no. 2 (2020): 187–201. http://dx.doi.org/10.29407/jpdn.v5i2.13346.

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The moral value of students at SDN 3 Padangan Ngantru of Tulungagung is low. Almost students at SDN 3 Padangan is unrespectful for their teacher and their classmate. The student in there not understand about moral value in story book of Indonesian Language "Aku Bangga Bahasa Indonesia" third grade of elementary school. The purpose of this research is to describe the moral value and the technique of explaining about moral value in story book of Indonesian Language "Aku Bangga Bahasa Indonesia" third grade of elementary school. Data collection methods of this research uses an unstructure intervi

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Barros, Sámia Valéria dos Santos, Niro Higuchi, Claudete Catanhede do Nascimento, Roberto Daniel de Araújo, and Prof Dr Flávio de São Pedro Filho. "Wave Propagation Technology in Non-destructive assays for Wood Qualifying in Tropical Amazon." International Journal for Innovation Education and Research 7, no. 8 (2019): 259–74. http://dx.doi.org/10.31686/ijier.vol7.iss8.1673.

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Non-destructive tests use techniques which allow a body to be evaluated without changing its physical, mechanical and dimensional features and without compromising its future use. Impulse tomography analysis is a non-destructive method which allows a piece of wood to be analyzed by passing mechanical waves through it, allowing researchers to evaluate its qualities in advance and detect the presence of defects. This research reports the assessment of the efficiency of impulse tomography as a technique for identifying defects and the in situ evaluation of tree wood from Amazonian timber species.

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Selvaskanthan, S., Lalith Jayasinghe, and J. P. Eeswara. "Rapid micropropagation and chemical profiling of in vitro plantlets and agarwood of Gyrinops walla Gaertn. by gas-chromatography and mass-spectrometry." PLOS ONE 20, no. 4 (2025): e0321049. https://doi.org/10.1371/journal.pone.0321049.

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Gyrinops walla Garten., which is an endemic and endangered species of Sri Lanka, produces the world’s most expensive agarwood used in perfume industry. The high demand for agarwood has resulted in indiscriminate felling of trees, thus threatening the survival of the species. The present study aimed to develop an efficient in vitro rapid multiplication technique to conserve the existing trees from extinction, by ensuring the sustainable supply of planting materials for commercial cultivations and to investigate the possibility of producing fragrance compounds by in vitro plantlets without felli

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De Francesco, Fabio, Natascia Magagnotti, Barnabáš Kováč, et al. "Integrated Harvesting of Medium Rotation Hybrid Poplar Plantations: Systems Compared." Forests 13, no. 11 (2022): 1873. http://dx.doi.org/10.3390/f13111873.

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In this study, the authors provide a direct comparison made between whole tree-harvesting (WTH) and cut-to length (CTL) methods, which was conducted in two sites in the Slovak Republic and applied to poplar plantations. Both systems, WTH and CTL, have been employed at the highest mechanization level in two sites: “Nivky” and “Skalica”. Two different strategies, namely, “mass handling” and “small-scale mechanization”, have been used for WTH and CTL, respectively. The study results showed that the level of productivity (ODT SMH−1) in the felling operation was almost double for WTH than for the C

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Chapman, William K., Bruce Schellenberg, and Teresa A. Newsome. "Assessment of armillaria root disease infection in stands in south-central British Columbia with varying levels of overstory retention, with and without pushover logging." Canadian Journal of Forest Research 41, no. 8 (2011): 1598–605. http://dx.doi.org/10.1139/x11-085.

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This trial, conducted near Nakusp, British Columbia, compares pushover logging (combination tree felling and root removal technique using large machines to push trees out of the ground) with handfalling logging (no root removal) for effects on the incidence of armillaria root disease in postharvest regeneration. Pushover logging did not reduce levels of root disease, expressed as percentage tree mortality, over handfalling harvesting on this site. High variability of measured disease levels within some treatments and few replicates lowered the power of the trial. However, in addition to being

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Matangaran, J. R., U. Suwarna, G. Santosa, S. Trison, and E. I. Putra. "Soil disturbance caused by timber harvesting in a natural forest, West Sumatera Indonesia." IOP Conference Series: Earth and Environmental Science 1315, no. 1 (2024): 012050. http://dx.doi.org/10.1088/1755-1315/1315/1/012050.

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Abstract Logging operations in natural forests generally use bulldozers. Bulldozers skid logs from the stump site to the landing site. The bulldozer maneuvers in the felling area cause skid trails and soil compaction. Soil compaction is one of the negative impacts of logging operations. The research aim is to analyze the level of soil compaction in various bulldozer skidding intensities after logging operations. The research occurred at a natural forest area in Siberut West Sumatera, Indonesia. The results of the study showed that there was a relationship between skidding intensity and the lev

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Crowe, M. P. "Felling techniques in Australian hardwood forests." Australian Forestry 48, no. 2 (1985): 84–94. http://dx.doi.org/10.1080/00049158.1985.10674428.

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Platonova, E. A., N. V. Afoshin, and T. Yu Djachkova. "STATE OF TILIA CORDATA MILL. AND ULMUS GLABRA HUDS. COENOPOPULATIONS IN THE FORESTS OF PETROZAVODSKY URBAN OKRUG." Forest Science Issues 4, no. 4 (2021): 1–17. http://dx.doi.org/10.31509/2658-607x-2021-44-94.

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Relevance and purpose. Cenopopulations of deciduous tree species at the northern border of the range are of particular scientific interest as objects of biological diversity. The relevance of the work is associated with the need to organize monitoring of these rare objects in the forests of the Petrozavodsk Urban Okrug by cause of increasing anthropogenic pressure. Assessment of the state of valuable nature conservation objects has not only scientific, but also economic interest in the field of ecosystem services, taking into account those functions of natural ecosystems that ensure the qualit

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Qirom, Muhammad Abdul, Wawan Halwany, Fajar Lestari, and Dony Rachmanadi. "Above ground biomass after 39 years logging in Kintap Research Forest, South Kalimantan." IOP Conference Series: Earth and Environmental Science 1181, no. 1 (2023): 012001. http://dx.doi.org/10.1088/1755-1315/1181/1/012001.

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Abstract Land degradation causes the fragmentation of forest areas. The fragmentation can be in the form of a decrease in species diversity and carbon storage in an area including logged-over areas. This study aims to obtain stand abundance, basal area, and potential of above ground biomass that can be used in estimating natural recovery in logged-over areas. Stand measurements were carried out in 3 different areas with the distance of the plot from the road as a differentiating factor. The measurement parameters include tree species, diameter, and tree height with the smallest diameter being

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Boston, Kevin, and Gerald Dysart. "A Comparison of Felling Techniques on Stump Height and Log Damage with Economic Interpretations." Western Journal of Applied Forestry 15, no. 2 (2000): 59–61. http://dx.doi.org/10.1093/wjaf/15.2.59.

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Abstract This study investigated two of the many potential sources of value loss that occur during logging operations: stump heights and butt log damage. The potential value loss was determined for manual felling and five different felling heads for logging sites located in the central north island of New Zealand. Manual felling produced the highest stumps and three different felling heads (Hultdin, Timbco, and Warratah) produced second highest stumps. The group with the lowest stumps was felled with AFM Magnum and Koehring felling heads. The Warratah felling head had the lowest incidence of b

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Rohima, Ananda Putri. "FAKTOR PENGHAMBAT PENGELOLAAN RUANG TERBUKA HIJAU (RTH) DI KOTA JAMBI." Bureaucracy Journal : Indonesia Journal of Law and Social-Political Governance 2, no. 1 (2022): 206–20. http://dx.doi.org/10.53363/bureau.v2i1.26.

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This research discusses the management of Green Open Space (RTH) in Jambi City, especially what are the inhibiting factors in the management of the RTH so that the amount of RTH area in Jambi City is still far from the targeted standards and the quality of RTH is still not good. This type of research is qualitative descriptive research. The type of data used in this study is primary data obtained from interviews with research informants and secondary data in the form of reports and official documents. Data collection techniques used in the form of interviews, observations and documentation. Th

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