Felling and skidding damage to residual trees following selection cutting in Caspian forests of Iran

F. Tavankar, B. Majnounian and A.E. Bonyad
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F. Tavankar: Department of Forestry, Khalkhal Branch, Islamic Azad University, Khalkhal, Iran
B. Majnounian: Department of Forestry, Faculty of Natural Resources, University of Tehran, Karaj, Iran
A.E. Bonyad: Department of Forestry, Faculty of Natural Resources, University of Guilan, Somehsara, Iran

Journal of Forest Science, 2013, vol. 59, issue 5, 196-203

Abstract: The felling and skidding damage to residual trees was investigated in a selectively cutting operation in the Caspian forest of Iran. The logging operation was performed by chainsaw and cable skidder. Prelogging, after felling and skidding operations residual tree injuries (species, DBH and damage) were inventoried by systematic plot sampling. Two types of tree damage were observed: destroyed and injured. In this study felling operations mainly injured trees whereas skidding was the main cause of destruction. The percentage of destroyed and injured residual trees by felling operations was 1.4% and 3.4%, whereas the percentage of destroyed and injured residual trees by skid­ding operations was 5.2% and 11.1%. About 87% of destroyed trees were found in the DBH class smaller than 22.5 cm. Maple and Alder were the most damaged trees among the other trees species. Damage to the lower bole and wood damaged intensity were the most common type of injury. To reduce the stand damage, skid trails should be planned before felling and felling directions should be predetermined. In the selection cutting management, limiting logging damage to residual trees must therefore remain a major objective.

Keywords: bole injury; logging; skidder; tree damage; uneven-aged stand (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnljfs:v:59:y:2013:i:5:id:53-2012-jfs

DOI: 10.17221/53/2012-JFS

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