Results 1 to 10 of about 159 (150)
A neuro-fuzzy model of error in directional felling operation using the subtractive clustering method [PDF]
تحقیقات جنگل و صنوبر ایران, 2016 The study presents models of error estimation in trees’ directional felling according to several effective factors using the subtractive clustering in the Adaptive Neuro-Fuzzy Inference System.
Esmaeil Ghajar +2 more
doaj +2 more sources
Torques from Manual Tools for Directional Tree Felling [PDF]
International Journal of Forest Engineering, 2007 Motor-manual tree felling is commonly practiced in many regions of the world. Trees falling in unwanted directions cause severe accidents and extra work in motor-manual logging. Different kinds of manual tools can help force trees to fall in the desired direction, but their capacity are uncertain due to a lack of suitable evaluation methods.
Ola Lindroos, Tomáš Nordfjell
exaly +2 more sources
Ability assessment of felling crew in directional felling in west forest of Guilan province [PDF]
مجله جنگل ایران, 2011 Control of logging damage is important for sustainable timber production in Caspian forests. Methods often recommend to control damage levels including directional felling and pre-felling design of skid trial.
doaj +1 more source
Caspian Journal of Environmental Sciences, 2013 Economic and environmental logging is important for sustainable wood production in the Caspian forests, north of Iran. Predetermination of the skid trail network and directional felling is a usual recommended method to reduce logging impact. The aim of
Nikooy, M., Naghdi, R., Ershadifar, M.
doaj +1 more source
Production and cost comparison of conventional and directional tree felling (Case study: in Kheyrud forest) [PDF]
مجله جنگل ایران, 2012 Tree felling is the most important component among tree harvesting which consists of cutting, limbing and bucking. This research was carried out in two compartments in Namkhaneh district of Kheyrud Forest.
doaj +1 more source
Factors Influencing Directional Tree Felling in the Tapajós National Forest, Amazon, Brazil
Journal of Agricultural Science, 2022 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.
Ulisses Sidnei da Conceição Silva +2 more
openaire +1 more source
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
doaj +1 more source
European Journal of Forest Engineering, 2021 Felling trees, which is the basis of forestry activities, is dangerous and difficult work that needs to be performed carefully. These activities can affect forest workers’ safety, damage the remaining forest, or reduce the value of the extracted product. Most of the accidents and injuries in forestry operations occur due to the trees not falling in the
Burak TÜRKAY, Abdurrahim AYDIN
openaire +3 more sources
Timber Losses during Harvesting in Managed Shorea robusta Forests of Nepal
Land, 2022 Logging and sawing of timber using conventional tools by unskilled workers causes enormous damage to the valuable timber, residual stand, regeneration, and forest soil in Nepal.
Upendra Aryal +3 more
doaj +1 more source
Efficient utilization of pine logs in northern Mexico through training
Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 2023 The timber industry and other sectors that rely on forest management, would benefit from a deeper understanding of the extraction work carried out by properly trained workers.
Joel RASCÓN-SOLANO +5 more
doaj +1 more source