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        Developing a GIS database for forest road management in Arasbaran forest, Iran

        Manije Talebi,Baris Majnounian,Ehsan Abdi,Fateme Berenji Tehrani 한국산림과학회 2015 Forest Science And Technology Vol.11 No.1

        Forest roads are an essential infrastructure and prerequisite in the management of forested areas. Sustainable managementof roads depends on regular and timely forest road maintenance. A road inventory is the first step of forest roadmanagement, control of construction standards, and maintenance operation; and GIS can be a powerful tool foracquirement, analysis, and management of data in road management. The purpose of this study was to obtain the requiredinformation to assess existing road standards by way of a road inventory and use the results to schedule maintenanceoperations. To achieve this goal, a part of the road network from Kaleibarchay watershed in Arasbaran forest wasinventoried, and cross sectional components were measured and compared to standard ones. Culverts along the road werealso investigated. Road components, problems of surfacing, and slope stability were analyzed in ArcGIS9.3 software. Theresults showed significant differences between existing parameters and standard ones, and the exceptions were side ditchdepth and roadbed. The results of culvert assessment showed that the road segment only had one culvert. According to theresults, cross-slope has the highest consistency with standard values. Around a quarter (25.19%) of the road length had nosigns of surfacing problems. Among surfacing problems, rutting had the highest abundance and cut slope had morestability problems than fill slope. In order to have better management of drainage systems, we suggested some places forinstalling new cross drains including culverts and fords. The results of this research can be used in developing effectivemaintenance operations for the road in this study, and also as a model to study and collect required inventory data and inapplying GIS to forest roads management.

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