J. For. Sci., 2012, 58(2):79-87 | DOI: 10.17221/78/2011-JFS

Evaluation of full tree skidding by HSM-904 skidder in patch cutting of aspen plantation in Northern Iran

R. Mousavi1, M. Nikooy2, A. E. Nezhad2, M. Ershadfar2
1 Faculty of Natural Resources, Urmia University, Urmia, Iran
2 Faculty of Natural Resources, University of Guilan, Somea Sara, Iran

This paper presents research results of the performance of HSM-904 grapple skidder using a full tree harvesting method in a non-native aspen Populus deltoides plantation in even terrain conditions in Shafaroud, Northern Iran. Patch cutting as a silvicultural method was used in the plantation (2,000 ha). To evaluate the newly introduced machine to a ground skidding system in the aspen plantation and the possibility to increase the production rate, an empirical time study was conducted. The elements of the skidding work phase were identified and 58 cycles were recorded for the study. The models for effective time consumption, total productivity and work phase models are calculated. The average load per cycle was 2.2 m3, the average one-way skidding distance was 253 m. The average travel speed of unloaded skidder was 5.53 km.h-1 and the average speed of loaded skidder was lower than the speed of the unloaded one by 2.94 km.h-1. The average output in the study was 7.1 m3 per effective hour and the unit cost was 13.9 USD.m-3.

Keywords: time consumption; HSM-904 skidder; skidding; cost

Published: February 29, 2012  Show citation

ACS AIP APA ASA Harvard Chicago Chicago Notes IEEE ISO690 MLA NLM Turabian Vancouver
Mousavi R, Nikooy M, Nezhad AE, Ershadfar M. Evaluation of full tree skidding by HSM-904 skidder in patch cutting of aspen plantation in Northern Iran. J. For. Sci. 2012;58(2):79-87. doi: 10.17221/78/2011-JFS.
Share...
Download citation
  • BibTeX (.bib)
  • Bookends (.ris)
  • EasyBib (.ris)
  • EndNote (.enw)
  • EndNote 8 (.xml)
  • ISI WoS (.isi)
  • Medlars (.medlars)
  • Mendeley (.ris)
  • MODS (.xml)
  • Papers (.ris)
  • RefWorks (.txt)
  • RefManager (.ris)
  • RIS (.ris)
  • MS Word (.xml)
  • Zotero (.ris)
    • Open full article

    References

    1. Bergstrand K.G. (1991): Planning and Analysis of Forestry Operation Studies. Skogsarbeten Bulletin 17. Skogsforsk, Uppsala, Forest Operations Institute of Sweden: 63.
    2. Harstela P. (1993): Work Studies in Forestry. Silva Carelica 25. Joensuu, University of Joensuu: 131.
    3. Howard A.F. (1987): Modeling the cost and profitability of timber harvesting with cable skkidders. Northern Journal of Applied Forest, 4: 87-92. Go to original source...
    4. IUFRO (1995): Forestry Work Nomenclature, Test Edition Valid 1995-2000. Garpenberg, Sveriges Lantbruksuniv: 1-16.
    5. Jourgholami M., Majnonian B. (2008): Productivity and cost of wheeled skidder in Hyrcanian Forest. International Journal of Natural and Engineering Sciences, 2: 99-103.
    6. Kahala M. (1982): Studies on the harvesting of small diameter whole threes in North Finland. Metsateho Review, 18: 1-4.
    7. Kluender R., Loretz D., Mscoy W., Stokes B.J., Klepac J. (1997): Productivity of rubber-tired skidders in southern pine forests. Forest Products Journal, 47: 53-58.
    8. Mederski P.S., Bembenek M., Jörn E., Dieter D.F., Karaszewski Z. (2010): The enhancement of skidding productivity resulting from changes in construction: grapple skidder vs. rope skidder. In Proceedings of FORMEC 2010, Forest Engineering: Meeting the Needs of the Society and the Environment, Padova, 11.-14. July 2010. Padova, Formec: 1-7.
    9. Mousavi R. (2009): Comparison of productivity, cost and environmental impacts of two harvesting methods in Northern Iran: short-log vs. long-log. [Ph.D. Thesis.] Joensuu, University of Joensuu: 93. Go to original source...
    10. Naghdi R. (2005): Investigation and comparison of two harvesting systems: tree length and cut-to-length method in order to optimize road network planning in Neka, Iran. [Ph.D. Thesis.] Tehran, Tarbiat Modares University: 1-177. (in Persian)
    11. Naghdi R., Firozan A.H., Nikooy M., Abrari Vajari K. (2010): Production rate and cost of HSM-904 and Timberjack C-450 skidder in Mazandaran forest and wood industry. Journal of Forest and Wood Products, 63: 91-102. (in Persian)
    12. NAJAFI A., SOBHANI H., SAEED A., MAKHDOM M., MARVI MOHAJER M.R. (2007): Time study of Skidder HSM 904. Journal of the Iranian Natural Resources, 60: 921-930.
    13. Nurminen T., Korpunen H., Uusitalo J. (2006): Time consumption analyses of the mechanized cut-to-length harvesting system. Silva Fennica, 40: 335-363. Go to original source...
    14. Pir Bavaghar M.P., Sobhani H., Feghhi J., Darvishsefat A.A., Marvi Mohajer M.R. (2010): Comprehensive productivity models for tracked and wheeled skidders in the Hyrcanian forests of Iran. Research Journal of Forestry, 4: 65-71. Go to original source...
    15. Sobhany H. (1991): Harvesting system evaluation in the Caspian Sea. Journal of Forest Engineering, 2: 21-24. Go to original source...
    16. Wang J., Long C., McNeel J., Baumgras J. (2004): Productivity and cost of manual felling and cable skidding in central Appalachian hardwood forests. Forest Product Journal, 54: 45-51.

    This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International (CC BY NC 4.0), which permits non-comercial use, distribution, and reproduction in any medium, provided the original publication is properly cited. No use, distribution or reproduction is permitted which does not comply with these terms.


    Return to the content