Results 1 to 10 of about 612 (213)
Portable tree felling manipulator “TATSUMI”
Nihon Kikai Gakkai ronbunshu, 2015 This paper presents a portable tree felling manipulator which has never been developed so far in Japan. A man-made forest is in an urgent need for logging. Furthermore, many fatal accidents and severe injuries occur during tree felling operations.
Yuko SHIRAI, Ryuma IIZUKA
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A Decrease in Carbon Absorption Potential Due to Timber Harvesting in Natural Forest
Jurnal Sylva Lestari, 2021 Timber harvesting is an activity in producing wood to supply the lumber industry. However, timber harvesting brought consequences such as decreasing carbon sequestration potential of natural forests.
Yuniawati, Rossi Margareth Tampubolon
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Comparison between artificial neural network (ANN) and regression analysis in tree felling time estimation [PDF]
تحقیقات جنگل و صنوبر ایران, 2012 Tree felling is a most important one among the tree harvesting components. Production estimation of forest equipments is an important part of cost management in forestry operational units which is associated with reduction of the operating expenses.
Hadi Bayati +2 more
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Optimization of thinning technology in beech coppice stands in Crni Vrh region [PDF]
Glasnik Šumarskog Fakulteta: Univerzitet u Beogradu, 2004 The application of rationalized thinning technology in beech coppice stands was studied. Three basic methods of thinning: schematic, selection and combined method were analyzed.
Bajić Vojislav, Danilović Milorad
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Reduced Impact Logging and Its Effect on Forest Harvesting Operation [PDF]
تحقیقات جنگل و صنوبر ایران, 2014 Forest harvesting is one of the most important objectives of forest management, in which it will cause damages to the residual stand, using any of the current methods, but the improved harvesting methods might reduce these effects.
Hadi Bayati +2 more
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Review of studies on motor-manual felling productivity in eucalypt stands [PDF]
Silva Balcanica, 2021 Globally, about 20 million ha of land area is occupied by plantations of Eucalyptus. Motor-manual tree harvest-ing techniques (using chainsaws) are still applied in eucalypt plantations, especially in difficult terrains or for large- sized trees where ...
Mohammad Reza Ghaffariyan
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Jurnal Penelitian Hasil Hutan (Journal of Forest Products Research), 2017 In general, there are three basic types/methods of chain saw operator's body position in doing mechanical tree felling in natural forest i.e; felling with squat, felling with standing in deeply bending forward and standing while both arms in extreme ...
Maraan Mansyur Idris, Soenamo Soenamo
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Jurnal Penelitian Hasil Hutan (Journal of Forest Products Research), 2017 An investigation of the efficiency of tree felling at forest areas using the Indonesian selective cutting and planting system (TPTI) was carried out at 5 logging companies in Central Kalimantan and 3 other companies in South Kalimantan in 1990.
Dulsalam Dulsalam
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Fuel and lubricant consumption in felling the young oak-hornbeam stands [PDF]
Glasnik Šumarskog Fakulteta: Univerzitet u Beogradu, 2002 Based on the elements of statistical analysis on the dependence of fuel and lubricant consumption on tree diameter, it was assessed that with the increase of tree diameter, the fuel and lubricant consumption in the young oak and hornbeam stands decreases
Bajić Vojislav, Danilović Milorad
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Tree Felling with a Drill Cone
Croatian Journal of Forest Engineering : Journal for Theory and Application of Forestry Engineering, 2023 Motor-manual timber felling is one of the most dangerous operations in the forest and cannot be completely replaced by fully mechanized timber harvesting by a harvester when dealing with large and deciduous trees. Shifting the center of gravity of tree ready to be felled beyond its tipping line using conventional felling wedges is dangerous because the
Knobloch, Christian +2 more
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