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Traditional mule logging method in Hyrcanian Forest: a study of the impact on forest stand and soil

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Abstract

We inventoried plant regeneration and soil compaction along mule trails to evaluate damage to forest stands and regeneration following mule hauling before and after operations in Kheyrud Forest in the Hyrcanian Forest in northern Iran. About 22% of regenerating plants on mule trails were damaged following mule logging, and damage to trees was observed. In harvested units after timber extraction, 4.3% of the total area (12 ha) was covered with mule trails. Mule passes and slope gradient, and twofold interactions between mule passes × slope gradient had no significant effect on soil bulk density (p < 0.05). Mule logging had a statistically significant effect on soil bulk density along the mule trails before and after mule passes. Soil bulk density increased significantly as mule passes increased in number. The degree and level of compaction did not differ with trail slope. With respect to damage to residual stands and seedlings, soil compaction and disturbance to soil, traditional mule logging is the preferred skidding method in the steep terrain conditions in the Hyrcanian Forest in northern Iran.

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Authors and Affiliations

  1. Department of Forestry and Forest Economics, Faculty of Natural Resources, University of Tehran, P. O. Box 31585-4314, Karaj, Iran

    Meghdad Jourgholami & Baris Majnounian

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  1. Meghdad Jourgholami
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  2. Baris Majnounian
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Correspondence to Meghdad Jourgholami.

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Jourgholami, M., Majnounian, B. Traditional mule logging method in Hyrcanian Forest: a study of the impact on forest stand and soil. Journal of Forestry Research 24, 755–758 (2013). https://doi.org/10.1007/s11676-013-0370-9

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  • DOI: https://doi.org/10.1007/s11676-013-0370-9

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