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Journal articles on the topic 'Cable skidder'

Author: Grafiati

Published: 5 June 2025

Last updated: 15 July 2025

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1

Orlovský, Lukáš, Valéria Messingerová, and Zuzana Danihelová. "Analysis of the time efficiency of skidding technology based on the skidders." Central European Forestry Journal 66, no. 3 (2020): 177–87. http://dx.doi.org/10.2478/forj-2020-0016.

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Abstract The time efficiency and principles of ergonomics related to timber skidding are based on the time consumption per work cycle as well as on the time consumption per individual work operations. Regarding the demands on the environmental requirements and ever increasing cost of work, it is necessary to objectively evaluate the inevitable time consumption required for timber skidding using all technologies. The paper summarised the results of time studies for skidder technologies. The time study compares the time consumption and productivity of cable skidders and cable-grapple skidders, w

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2

Đuka, Andreja, Tomislav Poršinsky, Tibor Pentek, Zdravko Pandur, Dinko Vusić, and Ivica Papa. "Mobility Range of a Cable Skidder for Timber Extraction on Sloped Terrain." Forests 9, no. 9 (2018): 526. http://dx.doi.org/10.3390/f9090526.

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The use of forestry vehicles in mechanised harvesting systems is still the most effective way of timber procurement, and forestry vehicles need to have high mobility to face various terrain conditions. This research gives boundaries of planning timber extraction on sloped terrain with a cable skidder, considering terrain parameters (slope, direction of skidding, cone index), vehicle technical characteristics and load size (5 different loads) relying on sustainability and eco-efficiency. Skidder mobility model was based on connecting two systems: vehicle-terrain (load distribution) and wheel-so

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3

Šušnjar, Marijan, Zdravko Pandur, Marin Bačić, et al. "Analysis of Skidder Fuel Consumption by Work Operations During Timber Extraction in Thinning of Even-Aged Forest on Mountainous Terrain: A Case Study." Sustainability 16, no. 24 (2024): 11240. https://doi.org/10.3390/su162411240.

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The paper deals with the analysis of the fuel consumption of skidders during timber extraction from thinning of even-aged beech forest on mountain terrain. Fuel consumption research was conducted on the Ecotrac 140V cable skidder over 8 working days at the same worksite during real timber extraction work. The worksite was organized so that the empty skidder traveled uphill, and when loaded, it moved downhill. The skidder was equipped with measuring devices for collecting data from sensors, the motor, and data transfer. The key parameters measured include total fuel consumption (mL) and skidder

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4

Stefanoni, Walter, Damiano Tocci, Francesco Latterini, et al. "A Preliminary Validation and Assessment of a GIS Approach Related to Precision Forest Harvesting in Central Italy." Forests 14, no. 1 (2023): 127. http://dx.doi.org/10.3390/f14010127.

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There has been a growing awareness of the need for sustainable forest management among forest engineers during the last decades. The selection of the best harvesting system for logging operations plays a fundamental role in this effort. Nowadays, in the decision-making process, forest engineers rely on their own experience, and it is to be expected that their evaluation of the level of appropriateness may be biased. There may be a potential solution to this problem in the implementation of AHP (Analytic Hierarchy Process) in the GIS (Geographic Information System) environment. The application

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Kluender, Richard A., and Bryce J. Stokes. "Productivity and Costs of Three Harvesting Methods." Southern Journal of Applied Forestry 18, no. 4 (1994): 168–74. http://dx.doi.org/10.1093/sjaf/18.4.168.

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Abstract Three stands were harvested by either clearcut, shelterwood, or single-tree selection methods. The single-tree selection method consisted of a light thinning in an even-aged stand as the initial basal area reduction cut required to convert the stand to uneven-aged structure. The contractor used two skidders (one grapple, one choker) and production chain saws to harvest all three tracts. Harvested sites were all similar in slope (10-15%), average dbh (12-14 in.), and preharvest number of stems by dbh. In the felling study, fell, walk, and limb-top time were all greater for the single-t

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Worrell, William C., M. Chad Bolding, and Wallace M. Aust. "Potential Soil Erosion following Skyline Yarding versus Tracked Skidding on Bladed Skid Trails in the Appalachian Region of Virginia." Southern Journal of Applied Forestry 35, no. 3 (2011): 131–35. http://dx.doi.org/10.1093/sjaf/35.3.131.

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Abstract The majority of timber harvests on steep terrain in the Appalachian region use ground-based skidding with bladed skid trails. Skid trails commonly occupy approximately 10% of harvest sites and are potentially erosive areas. Cable yarding systems are less commonly used in the Appalachian region, yet they have been found in other regions to cause less erosion than ground-based skidding on steep terrain. The goal of this study was to compare potential soil erosion losses from cable yarding and conventional skidding with bladed trails in the steep Appalachian Plateau region. Potential soi

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Stoilov, Stanimir, Pavel Nichev, Georgi Angelov, Marina Chavenetidou, and Petros A. Tsioras. "Optimizing Forest Harvesting Efficiency: A Comparative Analysis of Small-Sized Logging Crews Using Cable-Grapple Skidders." Sustainability 15, no. 24 (2023): 16749. http://dx.doi.org/10.3390/su152416749.

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Examination of the technical and economic dimensions of skidding operations is imperative for sustainable forest management, offering invaluable insights crucial for the formulation of sustainable forestry strategies. In many countries, the shift from modified agricultural machinery to purpose-built forest machinery has become apparent in forest operations. However, this transition often accompanies a reduction in logging crew size, raising new questions about productivity, costs, and ergonomics of the introduced harvesting systems. This study investigates two skidding systems utilizing the ca

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Marčeta, Dane, Vladimir Petković, Darko Ljubojević, and Igor Potočnik. "Harvesting System Suitability as Decision Support in Selection Cutting Forest Management in Northwest Bosnia and Herzegovina." Croatian journal of forest engineering 41, no. 2 (2020): 251–65. http://dx.doi.org/10.5552/crojfe.2020.744.

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Planning of forest harvesting operations is one of the key elements of successful forest management. The integration of modern tools and traditional forestry procedures is something that must be done in contemporary forestry. This research investigated the use of multicriteria decision support (AHP) and GIS in choosing the optimal harvesting system for predominantly selection cutting forest management on the example of two Forest Management Units (FMU). Results showed that AHP could be easily integrated into GIS using the extAHP tool and its results could be of help, along with other input dat

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Shaffer, Robert M., Kenneth R. Brummel, Thomas W. Reisinger, and Bryce J. Stokes. "Impact of Group Selection Silviculture on Timber Harvesting Productivity and Cost in Appalachian Hardwood Timber Stands." Northern Journal of Applied Forestry 10, no. 4 (1993): 170–74. http://dx.doi.org/10.1093/njaf/10.4.170.

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Abstract Group selection is a regeneration harvest method that is being promoted by the USDA Forest Service as an alternative to clearcutting. In a group selection cut, "groups" of trees are marked and harvested in small patches dispersed in a mosaic pattern throughout the timber stand. Group selection has the potential to increase harvesting cost as compared to traditional clearcutting. Three logging systems, a skyline yarder system, a feller-buncher/cable skidder system, and a chainsaw felling/cable skidder system were studied while logging group selection timber sales in the Jefferson Natio

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Alcoverro, Gerard, Adriano Raddi, and Gianni Picchi. "Preliminary Tests of a Hybrid Cable Splice (Synthetic–Metal) to Innovate Timber Harvesting in the Mediterranean Forestry Sector." Forests 15, no. 2 (2024): 246. http://dx.doi.org/10.3390/f15020246.

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Forest operations in the Mediterranean basin are still largely based on lowly mechanized systems. In this context, hauling is generally performed with equipment deploying steel cables, such as winches on farm tractors or skidders. In the last decades, several efforts focused on the substitution of steel cables with synthetic rope to improve safety, comfort and productivity. Despite the expected benefits, these efforts were generally frustrated due to the higher cost and lower duration of synthetic cables. These are relevant constraints, particularly for Mediterranean forest companies, which fe

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Karlušić, Juraj, Mihael Cipek, Danijel Pavković, et al. "Simulation Models of Skidder Conventional and Hybrid Drive." Forests 11, no. 9 (2020): 921. http://dx.doi.org/10.3390/f11090921.

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The paper presents a hypothetical conversion of a conventional cable skidder powertrain to its hybrid version. Simulations of skidder operation were made for two existing forest paths, based on the technical characteristics of the engine, transmission system and the characteristics of the winch. Fuel and time consumption were calculated per working cycle considering the operating conditions (slope, load mass). The model was then converted to a hybrid version by adding a battery energy storage system in parallel with the electrical power generator and by employing an energy management control s

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Bernardi, Bruno, Giorgio Macrì, Giacomo Falcone, Teodora Stillitano, Souraya Benalia, and Anna Irene De Luca. "Assessment and Sustainability of Logging Operations in Calabrian Pine High Forests." Forests 13, no. 3 (2022): 403. http://dx.doi.org/10.3390/f13030403.

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Forest mechanisation plays an important role in increasing labour productivity and reducing production costs. This work aims at evaluating various logging scenarios in Calabrian pine high forests, considering technical, economic and environmental aspects. The cut-to-length system was adopted and structured as follows: felling and processing operations were carried out using a medium-sized chainsaw while extraction of the processed material was carried out using three different vehicles for timber extraction: (i) by cable skidder, (ii) by grapple skidder and (iii) by a forwarder. The methodolog

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Dudáková (Allmanová), Zuzana, Michal Allman, Ján Merganič, and Katarína Merganičová. "Machinery-Induced Damage to Soil and Remaining Forest Stands—Case Study from Slovakia." Forests 11, no. 12 (2020): 1289. http://dx.doi.org/10.3390/f11121289.

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The paper deals with the damage of the remaining stand and soil caused by harvesting using three ground-based forest operations methods (harvester-forwarder/cable skidder/animal-tractor). It compares the impact of the most common harvesting technologies applied in Slovakia and in Central Europe and thus contributes with valuable information to the knowledge on the suitability of their application in forests stands dominated by broadleaved tree species. Harvesting was performed in five forest stands located at the University Forest Enterprise of Technical University in Zvolen in central Slovaki

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14

Seablom, Thomas J., and David D. Reed. "Assessment of Factors Contributing to Residual Tree Damage from Mechanized Harvesting in Northern Hardwoods." Northern Journal of Applied Forestry 22, no. 2 (2005): 124–31. http://dx.doi.org/10.1093/njaf/22.2.124.

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Abstract Seven northern hardwood stands were evaluated for damage after mechanized harvesting. Four different harvesting systems were evaluated: harvester and grapple skidder, processor and forwarder, chainsaw and cable skidder, and chainsaw and forwarder. There was not an excessive amount of damage occurring to any of the residual stands, and there was an adequate number of residual trees per acre in all diameter classes to meet residual stand structure goals. The majority of the damage that did occur was to the bole portion of the tree and to the 2–8-in. dbh size classes. There was no strong

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SOLTANPOUR, Shoukuh, and Meghdad JOURGHOLAMI. "Soil Bulk Density and Porosity Changes due to Ground-based Timber Extraction in the Hyrcanian Forest." Notulae Scientia Biologicae 5, no. 2 (2013): 263–69. http://dx.doi.org/10.15835/nsb528951.

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Assessment and management of environmental impacts of forest harvesting activities, one of the main reasons is that its importance is increasing day by day. Skidding operations could lead to an increase in detrimental soil disturbance and soil surface compaction that reduced forest soil fertilities. The aim of this study was to investigate and quantify of forest soil compaction following the skidding operations with wheeled cable skidder. This study was carried out in compartment no. 311 and 319 in Gorazbon district in Kheyrud forest in Hyrcanian forest. This study was conducted in a completel

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Karlušić, Juraj, Mihael Cipek, Danijel Pavković, Željko Šitum, Juraj Benić, and Marijan Šušnjar. "Benefit Assessment of Skidder Powertrain Hybridization Utilizing a Novel Cascade Optimization Algorithm." Sustainability 12, no. 24 (2020): 10396. http://dx.doi.org/10.3390/su122410396.

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Over the last decade, off-road vehicles have been increasingly hybridized through powertrain electrification in terms of additional electrical machine-based propulsion and battery energy storage, with the goal of achieving significant gains in fuel economy and reductions in greenhouse gases emissions. Since hybrid powertrains consist of two or more different energy sources and may be arranged in many different configurations, there are many open questions in their design and powertrain energy management control, which may have influence on the hybridized powertrain purchase cost and efficiency

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Gurda, Safet, Jusuf Musić, Dževada Sokolović, and Mahir Bašić. "DAMAGE ON STANDING TREES DURING WOOD SKIDDING (WINCHING PHASE) BY CABLE SKIDDER TIMBERJACK 225 A." Radovi Šumarskog fakulteta Univerziteta u Sarajevu 46, no. 1 (2016): 74–87. http://dx.doi.org/10.54652/rsf.2016.v46.i1.80.

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UDK: 630*37:630*4  Hauling of heavy and voluminous load (wood) partially through forest wastelands and partially on built roads makes this the most expensive phase, which is also technically the most challenging and most damaging for the forest eco-system. Although it is clear that the realisation of this phase in forest harvesting cannot be completed without certain forest damage, in expert and scientific circles there is general consent that by careful planning and execution in forestry, this damage can be brought down to an ‘acceptable’ level.  One of the reliable indicators of

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Akay, A. E., and B. Yılmaz. "USING GIS AND AHP FOR PLANNING PRIMER TRANSPORTATION OF FOREST PRODUCTS." ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences IV-4/W4 (November 13, 2017): 19–24. http://dx.doi.org/10.5194/isprs-annals-iv-4-w4-19-2017.

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Primer transportation is one of the most costly and time consuming forestry activities in extraction of timber from forest lands. Transportation methods are essentially determined based on terrain characteristics, especially ground slope. Besides, unsuitable machine selection and unplanned operations may cause ecological damages such as soil disturbance. Soil damage can lead to long term impacts on forest ecosystem. Thus, the optimum transportation methods should be determined by considering not only economic factors but also topographical factors and soil conditions. In recent decades, some o

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Bustos, Oscar, Andrew Egan, and Warren Hedstrom. "A Comparison of Residual Stand Damage along Yarding Trails in a Group Selection Harvest Using Four Different Yarding Methods." Northern Journal of Applied Forestry 27, no. 2 (2010): 56–61. http://dx.doi.org/10.1093/njaf/27.2.56.

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Abstract A study of residual stand damage along yarding trails associated with four harvest methods—harvester/forwarder and cable skidder, tractor, and bulldozer with chainsaw felling—was conducted in a group selection harvest of a mixed hardwood stand in Maine. Tractive yardingmethods were associated with greater numbers of damaged trees per meter of trail length. In addition, the bulldozer method resulted in the largest number of damaged boles per 100 m2 of near-trail space, whereas the smallest number of damaged boles per 100 m2 was associatedwith the forwarder method. The tractor method re

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Lopes, Eduardo Silva, and Carlos Cavassin Diniz. "PRODUTIVIDADE DO TRATOR FLORESTAL CHOCKER SKIDDER NA EXTRAÇÃO DE MADEIRA EM TERRENOS DECLIVOSOS." FLORESTA 45, no. 3 (2015): 625. http://dx.doi.org/10.5380/rf.v45i3.36409.

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Este trabalho objetivou analisar os tempos do ciclo operacional e a produtividade do trator florestal chocker skidder na extração de madeira em diferentes classes de declividade e distância, visando gerar informações para o planejamento eficiente das operações e o melhor aproveitamento dos recursos disponíveis. O trabalho foi realizado em uma empresa florestal localizada no município de Itararé, SP. Foi realizado um estudo de tempos e movimentos do ciclo operacional, determinando disponibilidade mecânica, disponibilidade técnica, eficiência operacional e produtividade da máquina em diferentes

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Mousavi, R. "Effect of log length on productivity and cost of Timberjack 450C skidder in the Hyrcanian forest in Iran." Journal of Forest Science 58, No. 11 (2012): 473–82. http://dx.doi.org/10.17221/85/2011-jfs.

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This paper presents research results on the performance of the Timberjack 450C skidder in timber skidding at two working sites of broadleaved trees in mountainous conditions in the Hyrcanian forest. To evaluate the current skidding system in the Hyrcanian forest in northern Iran and possibility of finding out better techniques and group organization an empirical time study has been conducted. The elements of the skidding work phase were identified and 123 cycles were recorded for short-log and long-log method. The models for effective time consumption, total productivity and unit cost of skidd

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Heinimann, Hans R. "A Computer Model to Differentiate Skidder and Cable-Yarder Based Road Network Concepts on Steep Slopes." Journal of Forest Research 3, no. 1 (1998): 1–9. http://dx.doi.org/10.1007/bf02760286.

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Bustos, Oscar, and Andrew Egan. "A Comparison of Soil Compaction Associated with Four Ground-Based Harvesting Systems." Northern Journal of Applied Forestry 28, no. 4 (2011): 194–98. http://dx.doi.org/10.1093/njaf/28.4.194.

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Abstract A study of soil compaction associated with four harvesting systems—a forwarder working with a mechanized harvester and a rubber-tired cable skidder, a farm tractor, and a bulldozer, each of them coupled with a chainsaw felling—was conducted in a group selection harvest of a mixed hardwood stand in Maine. The bulldozer system was associated with the highest percentage differences in soil bulk density measured in machine tracks (16.9%), trail centerlines (15.7%), and harvested group selection units (13.1%) versus adjacent untrafficked areas, whereas the forwarder system was associated w

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Nichols, M. T., R. C. Lemin Jr., and W. D. Ostrofsky. "The impact of two harvesting systems on residual stems in a partially cut stand of northern hardwoods." Canadian Journal of Forest Research 24, no. 2 (1994): 350–57. http://dx.doi.org/10.1139/x94-047.

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Residual stand damage was evaluated following partial cutting with a mechanical and a conventional harvesting system in a northern hardwood stand in Maine. Damage from harvesting using a swing to bunch feller–buncher and grapple skidder was compared with damage from a chainsaw and cable skidder operation. Harvesting resulted in actual residual basal areas of 10 and 16.5 m2/ha in a heavy and light conventional treatment, respectively, and in 9 and 6.9 m2/ha in two mechanized treatments. The proportion of stems wounded averaged 22–44% in the conventional, and 20–31% in the mechanized operation.

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Papandrea, Salvatore F., Stanimir Stoilov, Maria Francesca Cataldo, et al. "Evaluation of Productivity and Cost Analysis on a Combined Logging System." Forests 15, no. 6 (2024): 980. http://dx.doi.org/10.3390/f15060980.

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The efficient planning and control of timber harvesting operations is crucial to growth productivity and reducing costs, and different systems or methods are applied to obtain elevated performance. In particular, cable yarding is a highly appreciated and very efficient wood extraction method in areas that are difficult to access with ground-based extraction machines. Combined logging systems are not diffuse and not often implemented. For this reason, the use and the application of innovative methods are limited. However, some combinations have recently been observed in forest operations. This

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Jourgholami, Meghdad, and Baris Majnounian. "Effects of wheeled cable skidder on rut formation in skid trail — a case study in Hyrcanian forest." Journal of Forestry Research 22, no. 3 (2011): 465–69. http://dx.doi.org/10.1007/s11676-011-0112-9.

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Naghdi, R., F. Tavankar, A. Solgi, M. Nikooy, E. Marchi, and R. Picchio. "Effects on soil physicochemical properties and seedling growth in mixed high forests caused by cable skidder traffic." iForest - Biogeosciences and Forestry 16, no. 2 (2023): 127–35. http://dx.doi.org/10.3832/ifor4103-016.

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Knežević, Jelena, Jusuf Musić, Velid Halilović, and Admir Avdagić. "Damages of Skidder and Oxen Logging to Residual Trees in Uneven-Aged Mixed Forest." Forests 14, no. 5 (2023): 927. http://dx.doi.org/10.3390/f14050927.

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The negative influence of timber harvesting on the forest environment is reflected through damage to the residual trees, regeneration, and forest soil. Considering that skidding, a popular extraction method, can cause substantial and severe damage to the remaining stand, the aim of this research was to determine damage to residual trees during skidding by an LKT 81T cable skidder, including oxen bunching. The research was conducted in eastern Bosnia and Herzegovina, in an uneven-aged mixed fir (Abies alba Mill.) and spruce (Picea abies L.) forest with pine (Pinus sylvestris L.) on limestone so

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Wang, Jingxin, Chris B. LeDoux, and Pam Edwards. "Changes in Soil Bulk Density Resulting from Construction and Conventional Cable Skidding Using Preplanned Skid Trails." Northern Journal of Applied Forestry 24, no. 1 (2007): 5–8. http://dx.doi.org/10.1093/njaf/24.1.5.

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Abstract A harvesting system consisting of chainsaw felling and cable skidder extraction was studied to determine soil bulk density changes in a central Appalachian hardwood forest site. Soil bulk density was measured using a nuclear gauge preharvest and postharvest systematically across the harvest site, on transects across skid trails, and for a subset of skid trail transects closest to log landing after each of the first ten loaded machine passes. Bulk density was also measured in skid trails after their construction but prior to skidding. Bulk density did not change significantly across th

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Eckley, Michael, and Andrew Egan. "Harvesting Where the People Are: Aesthetic Preferences for Logging-in-Progress." Journal of Forestry 103, no. 8 (2005): 401–6. http://dx.doi.org/10.1093/jof/103.8.401.

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Abstract As forested areas become more populated, the aesthetic values associated with logging-in-progress are increasingly driving public reaction to and concern about timber harvesting. Using a video-based survey, this research assessed the public's visual and aural preferences for five ground-based timber harvest yarding methods—a forwarder, rubber-tired cable skidder, bulldozer, farm tractor, and workhorse—based on a battery of attributes and situations. In addition, this study investigated the relationships between several possible explanatory variables—respondents' gender, knowledge of t

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Tavankar, Farzam, Amir Eslam Bonyad, and Baris Majnounian. "Affective factors on residual tree damage during selection cutting and cable-skidder logging in the Caspian forests, Northern Iran." Ecological Engineering 83 (October 2015): 505–12. http://dx.doi.org/10.1016/j.ecoleng.2015.07.018.

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Synek, M., and M. Klimánek. "Proposal of using GIS for multi-criteria evaluation of environmentally friendly use of skidding technologies in forestry." Journal of Forest Science 60, No. 2 (2014): 51–60. http://dx.doi.org/10.17221/88/2013-jfs.

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The aim of the study was to propose and verify a model which, based on multi-criteria evaluation of selected input data, determines the category in terms of the environmentally friendly use of individual skidding technologies for each stand. A farm tractor, skidder, cable system, forwarders, and forwarders in combination with harvesters were selected as model skidding technologies. The selected input parameters included: slope inclination, ground bearing capacity, risk of logging-transportation erosion development, presence and size of obstacles, skidding distance, terrain shape and age of sta

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Tavankar, F., B. Majnounian, and A. E. Bonyad. "Felling and skidding damage to residual trees following selection cutting in Caspian forests of Iran." Journal of Forest Science 59, No. 5 (2013): 196–203. http://dx.doi.org/10.17221/53/2012-jfs.

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The felling and skidding damage to residual trees was investigated in a selectively cutting operation in the Caspian forest of Iran. The logging operation was performed by chainsaw and cable skidder. Prelogging, after felling and skidding operations residual tree injuries (species, DBH and damage) were inventoried by systematic plot sampling. Two types of tree damage were observed: destroyed and injured. In this study felling operations mainly injured trees whereas skidding was the main cause of destruction. The percentage of destroyed and injured residual trees by felling operations was 1.4%

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Kostadinov, Fabian, Renato Lemm, and Oliver Thees. "Ein Instrument zur Schätzung von Holzernteproduktivitäten mittels der kNN-Methode." Schweizerische Zeitschrift fur Forstwesen 163, no. 4 (2012): 119–29. http://dx.doi.org/10.3188/szf.2012.0119.

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A software tool for the estimation of wood harvesting productivity using the kNN method For operational planning and management of wood harvests it is important to have access to reliable information on time consumption and costs. To estimate these efficiently and reliably, appropriate methods and calculation tools are needed. The present article investigates whether use of the method of the k nearest neighbours (kNN) is appropriate in this case. The kNN algorithm is first explained, then is applied to two sets of data “combined cable crane and processor” and “skidder”, both containing wood ha

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Latterini, Francesco, Walter Stefanoni, Rachele Venanzi, Damiano Tocci, and Rodolfo Picchio. "GIS-AHP Approach in Forest Logging Planning to Apply Sustainable Forest Operations." Forests 13, no. 3 (2022): 484. http://dx.doi.org/10.3390/f13030484.

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This study represents the first attempt of integration, within a Forest Management Plan (FMP), of a Geographic Information System (GIS) and an Analytic Hierarchy Process (AHP) approach for the selection of the most suitable logging method. It is important to underline that the developed methodology is applicable worldwide in each environmental context in which there is a need for planning the intervention and selecting from among several possible logging methods or harvesting systems. Schematically, the main aims of this study were: (i) to develop a GIS-AHP method based on open-access GIS soft

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Svoykin, F. V., V. A. Sokolova, N. S. Korolko, and A. O. Shoshin. "Constructive solutions to improve cable haulers for development of hard-to-reach cutting areas." E3S Web of Conferences 193 (2020): 01048. http://dx.doi.org/10.1051/e3sconf/202019301048.

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The article proposes a constructive solution for improving the technological process of logging wood with rope skidders under conditions of an extended distance of the primary haulage of wood and a considerable length of a hauling-carrying rope for hilly-ridge and waterlogged production conditions, including for selective felling (especially relevant in the Northwestern Federal District of the Russian Federation , especially in the Leningrad region, where timber harvesting in the forests of the first category predominates). The proposed solution is a double-structure carriage, obtained by conn

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Ezzati, Sättar, Farzam Tavankar, Mohammad Reza Ghaffariyan, Rachele Venanzi, Francesco Latterini, and Rodolfo Picchio. "The Impact of Weather and Slope Conditions on the Productivity, Cost, and GHG Emissions of a Ground-Based Harvesting Operation in Mountain Hardwoods." Forests 12, no. 12 (2021): 1612. http://dx.doi.org/10.3390/f12121612.

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Mountainous hardwood mixed stands offer challenges to timber harvesting operations in practice, including a harsh climate, variable topography, steep terrain, and large-sized timbers. This paper aims to develop productivity and cost models for a mountain-ground-based harvesting operation across the terrain (e.g., slope conditions), stand (e.g., tree volume) environmental (e.g., weather), and yard (e.g., winching distance) variables and to assess GHG emissions related to the equipment in use. This development was implemented in a timber harvesting practice under single-tree selection in mountai

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Synek, Michal, and Martin Klimánek. "Spatial Modeling of a New Technological Typification in Forestry Based on Multicriteria Evaluation of Skidding Technologies." Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 63, no. 3 (2015): 841–52. http://dx.doi.org/10.11118/actaun201563030841.

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The study describes a new system of technological typification in forestry based on multicriteria evaluation of environmentally friendly use of common skidding technologies. A farm tractor, skidder, cable system, forwarder, and forwarder in combination with harvester were selected as model skidding technologies. The proposed model determines one of the four categories in terms of their environmentally friendly use: 1) Fully suitable, 2) Suitable, 3) Unsuitable – not excluded and 4) Unsuitable for every forest stand and individual skidding technology. The Saaty matrix was used to define weights

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İnanç, Taş, and Akay Abdullah Emin. "Productivity Analysis of Modified Farm Tractors in Forwarding Industrial Wood Products." Наукові праці Лісівничої академії наук України, no. 20 (June 4, 2020): 196–205. http://dx.doi.org/10.15421/412018.

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Public demands for forest products and services have been increasing gradually in many countries all over the world. Among the forest products, mostly round woods are produced in Turkey due to high economic value. On the other hand, there is a significant increase in demand for industrial woods in the domestic market in recent years. The reason behind this increase is the need of domestic companies in the wood-based panel industry for a large amount of wood raw material. . Farm tractors are the most widely used forest machinery in the extraction of industrial wood in Turkey. Farm tractors can

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Leszczyński, Krzysztof, and Arkadiusz Stańczykiewicz. "Workload analysis in logging technology employing a processor aggregated with a farm tractor." Forest Systems 24, no. 2 (2015): e024. http://dx.doi.org/10.5424/fs/2015242-06607.

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<p><em>Aim of study</em><em>: </em>The aim of this research was to analyze the workload of the operators while logging at the motor-manual level in coniferous stands undergoing two tending treatments (early and late thinning). The technologies under the investigation employed a power chainsaw, tractor equipped with a cable winch as well as delimbing and cross-cutting Hypro 450W processor.</p><p><em>Area of study, materials and methods:</em> The research areas were located in lowlands and in a mountain range of the Western Carpathians. In th

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Halilović, Velid, Dalibor Ballian, Besim Balić, Mario Šarić, Jelena Knežević, and Jusuf Musić. "Istraživanje mehaničkih oštećenja stabala jele i drugih vrsta tijekom eksploatacije – Slučaj Šumarije „Glamoč“." Šumarski list 144, no. 3-4 (2020): 149–58. http://dx.doi.org/10.31298/sl.144.3-4.4.

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Mechanisation used in forest utilisation has an impact on the occurrence of damage in stand and on forest land. The research in this work had the objective of determining damage on fir trees and other tree species during felling and processing of trees and their skidding using the forest cable-skidder. The research wasconducted in mixed beech and fir forests in the area of FMA “Glamočko”, M.U. “Hrbinje-Kujača”. The following data were gathered on damaged trees: tree type, breast height diameter, economic importance of the tree, amount of damage, location of damage, cause of damage, types of da

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Krag, R., K. Higginbotham, and R. Rothwell. "Logging and soil disturbance in southeast British Columbia." Canadian Journal of Forest Research 16, no. 6 (1986): 1345–54. http://dx.doi.org/10.1139/x86-238.

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The purpose of this study was to document and to analyze extent, type, and degree of soil disturbance on ground-skidded and cable-yarded cutovers. The primary hypothesis was that ground skidding on steep, high elevation sites generates more soil disturbance than cable yarding. Thirty-one cutovers were surveyed in the Nelson Forest Region: 25 logged by ground skidding and 6 by cable yarding. Three replications were obtained for each season – slope class on ground-skidded sites. Cable-logged areas were also replicated three times, but only for season. Elevations of the cutovers ranged from 910 t

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Ilintsev, Aleksey S., Elena N. Nakvasina, and Irina B. Amosova. "RECOVERY OF THE SOIL AND PLANT COVER IN THE SKID TRAILS AFTER THINNING IN MYRTILLUS TYPE FORESTS OF THE NORTHERN TAIGA." Siberian Journal of Life Sciences and Agriculture 16, no. 5 (2024): 303–25. https://doi.org/10.12731/2658-6649-2024-16-5-978.

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Disturbance of soil and plant cover caused by logging operations results in various damages and can give rise to soil degradation and plant succession. We studied the recovery of soil and plant cover in the damaged skid trails of different periods after two-stage thinning of the Piceeta myrtillosum type forest. Thinning was conducted in 1973 and in 2002. The in-situ soil cover is represented by podzolic light loamy soil overlying heavy moraine loam. Tree-felling was carried out using a chainsaw, and tree-length skidding was carried out using a TDT-55 cable skidder. We studied the species compo

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Marčeta, Dane, Josip Maglica, Vladimir Petković, and Dragan Čomić. "Productivity of Timberjack 350A and Tree Farmer C5D skidders in group-selective cutting and assortment method." Šumarski list 148, no. 1-2 (2024): 19–28. http://dx.doi.org/10.31298/sl.148.1-2.2.

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In the forestry of Bosnia and Herzegovina winching and skidding of wood assortments is usually done with skidders equipped with a cable winch. This is one of the most expensive and technologically challenging activities of forest exploitation. It is of great importance to analyse the productivity of these machines as often as possible, to obtain the most efficient solutions in the forest harvesting technologies and to increase the profitability of harvesting operations. In this research, the productivity of two cable skidders, Timberjack 350A and Tree Farmer C5D, were analysed to determine the

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Howard, Andrew F. "Modeling the Cost and Profitability of Timber Harvesting with Cable Skidders." Northern Journal of Applied Forestry 4, no. 2 (1987): 87–92. http://dx.doi.org/10.1093/njaf/4.2.87.

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Abstract Logging costs and profitability are affected by many variables. Computer simulation based on detailed production studies and an accounting-based cost analysis was used to investigate the relative importance of tree size and species group on logging costs and profits. Tree size had the greatest affect on skidding costs. Species group was found to be important only in felling. Marginal tree size and margins for profit and risk were computed for seven timber sales. Marginal tree size ranged from 12+ to 13+ in. Volume in submarginal trees ranged from 16.3 to 44.8% of the total volume. Mar

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Pothier, David. "Évolution de la régénération après la coupe de peuplements récoltés selon différents procédés d'exploitation." Forestry Chronicle 72, no. 5 (1996): 519–27. http://dx.doi.org/10.5558/tfc72519-5.

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Between 1982 and 1984, 289 sample plots were established on cutovers distributed across the mixed and the boreal forest zones of Québec. Regeneration surveys before and after clearcutting were used to determine the proportion of regeneration destroyed by four different harvesting systems. Moreover, information on the evolution of the regeneration over the medium term was gathered from surveys realized five and ten years following logging. For all stands combined, harvesting resulted in a reduction of 25 to 40% of the stocking of the regeneration. The lowest decrease in stocking was produced by

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Pominville, Pierre. "Évolution quinquennale de la régénération protégée lors de récoltes par abattage manuel dans des sapinières." Forestry Chronicle 69, no. 5 (1993): 569–78. http://dx.doi.org/10.5558/tfc69569-5.

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In 1985, an experiment was undertaken in the Gaspé peninsula, in Québec, in different stand types to assess the feasibility of preserving advance growth by changing logging methods. This article deals with manual felling combined with wheeled cable skidders in balsam fir stands. Regeneration was assessed before, immediately after, and 3 and 5 years after logging in five 2-ha pairs of blocks, in order to compare the effect of traditional harvesting (control) and a method using directional felling and spaced skidding trails (preserved).The use of directional felling and spaced skidding trails re

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Dean, Darrell R. "Proposed Method to Assess Timber Harvesting Roads." Transportation Research Record: Journal of the Transportation Research Board 1819, no. 1 (2003): 127–31. http://dx.doi.org/10.3141/1819a-19.

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Timber harvesting roads, skid roads, and truck roads have been identified as major sources of stream sedimentation during logging operations. Researchers have stated that the planning for timber harvesting road networks is key to reducing these erosion and stream sedimentation sources. One impediment to reducing stream sedimentation is that planners do not have a way to quantify road network sufficiency and efficiency, particularly for those networks used by rubber-tired skidders during cable skidding operations. Reach capacity and excess reach capacity are proposed as ways to measure road net

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Ackerman, Pierre, Reino Pulkki, and Elizabeth Gleasure. "Modelling of wander ratios, travel speeds and productivity of cable and grapple skidders in softwood sawtimber operations in South Africa." Southern Forests: a Journal of Forest Science 76, no. 2 (2014): 101–10. http://dx.doi.org/10.2989/20702620.2014.917355.

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Holm, Stefan, Fritz Frutig, Renato Lemm, Oliver Thees, and Janine Schweier. "HeProMo: A decision support tool to estimate wood harvesting productivities." PLOS ONE 15, no. 12 (2020): e0244289. http://dx.doi.org/10.1371/journal.pone.0244289.

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In the field of forestry, one of the most economically important ecosystem service is the provision of timber. The need to calculate the economic effects of forest management in the short, medium, and long term is increasing. Forest operations or timber harvesting, which comprises felling, processing, and transport of trees or timber, are responsible for a large part of the costs and environmental impacts associated to forest management or enterprises. From a decision maker’s perspective, it is essential to estimate working productivity and production costs under given operating conditions bef

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