Productivity and Cost of Clear-cutting Operations Utilizing the MASHOUF PSI 9700 Chainsaw Model in a Poplar Plantation located in the Western Part of Guilan Province.

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Document Type : Scientific article

Authors

1 Associate professor in forest engineering, forestry Department, faculty of natural resources, the university of Guilan, Sowmeh Sara, 1144, Guilan, Iran

2 Guilan University of Medical Sciences

3 Lab of Forest Utilization, Faculty of Forestry and Natural Environment, Aristotle University of Thessaloniki, POB 227, Thessaloniki, Greece.

4 university of guilan

Abstract

Productivity and cost are two main factors that affect the selection of wood harvesting systems, of which tree felling is a paramount element. The purpose of this study was to evaluate the productivity and cost of clear-cutting operations in a poplar plantation located in the western part of the Guilan Province during which MASHOUF PSI 9700, a short-bladed chainsaw model was used. A time study was performed to calculate the amount of hourly productivity rate. Furthermore, the influencing variables on each work elements were determined using stepwise multivariate regression. The results showed that the average time consumed per tree for felling and processing was 3.75 min and the productivity rate with and without delay were 13.44 m3 h-1 and 17.28 m3 h-1, respectively. The data analysis exhibited a highly significant correlation between the work element times and the diameter of the tree at breast height. By creating mathematical models of working time for all types of chainsaws, the performance of the cutting group can be increased and more reasonable wages can be paid to forest workers. Also, the results of this study can be used to determine the work rate, work schedule and cost estimation

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Forest Research and Development

Articles in Press, Accepted Manuscript
Available Online from 13 April 2024

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