Abstract
The forests of Eastern Black-Sea Region are spread on mountainous and step terrain areas in Turkey. Picea orientalis is the essential forest tree of this region. Because of these difficult transport problems, when the harvested wood material is being extracted from compartment, the taking into consideration of environmental sensitivity is very difficult and the transportation costs are very expensive in steep terrain conditions.The Koller K300 forest skyline compared with the traditional manual ground based system in view of some advantages of the skylines. For this purpose Artvin reagion which is a sample of steep terrain structure in Eastern Black-Sea Region, was selected as a study area. Work conditions of timber logging by Koller K300 Skyline and their effects on productivity were investigated. Spruce logs were transported by Koller K300 skyline towards uphill. The productivity of Koller K300 was determined as 1.376 m3/shift and 4.825 m3/hour. The negative effects of manual ground based system on forest soil, tree stem and root didn’t occurred by using Koller K300 skyline.
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