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Forest management and snag characteristics in Northern Iran lowland forests

Author

Listed:
  • F. Tavankar

    (Department of Forestry, Khalkhal Branch, Islamic Azad University, Khalkhal, Iran)

  • R. Picchio

    (Department of Agriculture, Forests, Nature and Energy, University of Tuscia, Viterbo, Italy)

  • A. Lo Monaco

    (Department of Agriculture, Forests, Nature and Energy, University of Tuscia, Viterbo, Italy)

  • A.E. Bonyad

    (Department of Forestry, Faculty of Natural Resources, University of Guilan, Soumesara, Iran)

Abstract

Some snag characteristics were studied in three different Hyrcanian lowland forests. The highest snag density (38.4 stem.ha-1) was found in fully protected forests, and it was significantly higher than in selectively logged (23.7 stem.ha-1) and open access forests (8.8 stem.ha-1). The snag volume, diameter and height were also significantly higher in the fully protected forests. The number of snag species was recorded in fully protected (9), selectively logged (5) and open access forests (4). The snags were more evenly distributed among diameter, height and decay classes in the fully protected forest. The larger diameter snags (> 90 cm) and snags higher than 15 m in height were not found in the open access forest. The snags of decay class 5 had a density of 6.8 stem.ha-1 in the fully protected forest, while they had a low density (1.5 stem.ha-1) in the selectively logged forest and they were not found in the open access forest. Target values of snags for managed lowland forests in Iran were defined in relation to management influences.

Suggested Citation

  • F. Tavankar & R. Picchio & A. Lo Monaco & A.E. Bonyad, 2014. "Forest management and snag characteristics in Northern Iran lowland forests," Journal of Forest Science, Czech Academy of Agricultural Sciences, vol. 60(10), pages 431-441.
    • Handle: RePEc:caa:jnljfs:v:60:y:2014:i:10:id:77-2014-jfs
    DOI: 10.17221/77/2014-JFS
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    References listed on IDEAS

    as
    1. F. Tavankar & B. Majnounian & A.E. Bonyad, 2013. "Felling and skidding damage to residual trees following selection cutting in Caspian forests of Iran," Journal of Forest Science, Czech Academy of Agricultural Sciences, vol. 59(5), pages 196-203.
    2. K. Sefidi & M. R. Marvie Mohadjer, 2010. "Characteristics of coarse woody debris in successional stages of natural beech (Fagus orientalis) forests of Northern Iran," Journal of Forest Science, Czech Academy of Agricultural Sciences, vol. 56(1), pages 7-17.
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