African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6941

Full Length Research Paper

Assessing timber skidding efficiency in a group shelterwood system applied to a fir-beech stand

Stelian Alexandru Borz
  • Stelian Alexandru Borz
  • Department of Forest Engineering, Forest Management Planning and Terrestrial Measurements, Faculty of Silviculture and Forest Engineering, Transilvania University of BraÅŸov, Åžirul Beethoven, No. 1, 500123, BraÅŸov, Romania.
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Gheorghe Ignea
  • Gheorghe Ignea
  • Department of Forest Engineering, Forest Management Planning and Terrestrial Measurements, Faculty of Silviculture and Forest Engineering, Transilvania University of BraÅŸov, Åžirul Beethoven, No. 1, 500123, BraÅŸov, Romania.
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Bogdan Popa
  • Bogdan Popa
  • Department of Forest Engineering, Forest Management Planning and Terrestrial Measurements, Faculty of Silviculture and Forest Engineering, Transilvania University of BraÅŸov, Åžirul Beethoven, No. 1, 500123, BraÅŸov, Romania.
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  •  Accepted: 04 December 2013
  •  Published: 02 January 2014

References

Acuna M, Bigot M, Guerra S, Hartsough B, Kanzian C, Kärhä K, Lindroos O, Magagnotti N, Roux S, Spinelli R, Talbot B, Tolosana E, Zormaier F (2012). Good practice guidelines for biomass production studies. In: Magagnotti N, Spinelli R. (eds.), CNR IVALSA, Sesto Fiorentino.
 
Behjou FK, Majnounian B, Namiranian M, DvoÅ™ák J (2008). Time study and skidding capacity of wheeled skidder Timberjack 450C in Caspian forests. J. Forest Sci. 54(4):183-188.
 
Behjou FK (2010). A techno-economic evaluation of skidding operation by Timberjack 450C and Clark Ranger 666DBS in Caspian forests. J. Food, Agric. Environ. 8(3-4):1020-1023.
 
Bereziuc R, Alexandru V, Ciobanu VD, Ignea G (2011). Normativ privind proiectarea drumurilor forestiere, PD-003-11, Ministry of Environment and Forests, Bucharest.
 
Borz SA, BÈ‹rda M, Ignea G, Oprea I (2011). Technological aspects regarding timber exploitation using Mounty 4100 cable yarder, Bulletin of the Transilvania University of BraÅŸov, Series II, 4(53):1-6.
 
Ghaffarian MR, Naghdi R, Ghajar I, Nikooy M (2013). Time prediction models and cost evaluation of cut-to-length (CTL) harvesting method in a mountainous forest. Small Scale For. 12(2):181-192.
crossref
 
Horvat D, Zečić Z, Šušnjar M (2007). Morphologial characteristics and productivity of skidder ECOTRACK 120V. Croatian J. Forest Eng. 28(1):11-25.
 
Kluender R, Lortz D, McCoy W, Stokes B, Klepac J (1998). Removal intensity and tree size effects on harvesting cost and profitability. Forest Prod. J. 48(1):54-59.
 
Kluender R, Lortz D, McCoy W, Stokes B, Klepac J (1997). Productivity of rubber-tired skidder in southern pine forests. J. Forest Prod. 47(11-12):53-58.
 
Mousavi R (2012). Effect of log length on productivity and cost of Timberjack 450C skidder in the Hyrcanian forest in Iran. J. Forest. Sci. 58(11):473-482.
 
Naghdi R, Mohammadi L (2009). Optimal forest road density based on skidding and road construction costs in Iranian Caspian forests. Caspian J. Environ. Sci. 7(2):79-86.
 
Oprea I (2008). Tehnologia exploatării lemnului.Transilvania University Press, Braşov.
 
Oprea I, Borz SA (2007). Organizarea ÅŸantierului de exploatare a lemnului, Transilvania University Press, BraÅŸov.
 
Özturk T (2010a). Productivity of New Holland farm tractor at beech stands on mountainous areas in Black Sea Region. Forestry Ideas 16(1):52-57.
 
Özturk T (2010b). Productivity of MB Track 900 tractor at beech stands on mountainous areas in Black Sea Region. Afri. J. Agric. Res. 5(1):28-33.
 
Report on Forest State (2010). Available at http://www.mmediu.ro/paduri/,accessed 20.06.2013.
 
Sabo A, Poršinsky T (2005). Skidding of fir roundwood by Timberjack 240C from selective forests of Gorski Kotar. Croatian J. Forest Eng. 26(1):13-27.
 
Sbera I (2007). Resursele de lemn ÅŸi potenÅ£ialul pieÅ£ei din România. Meridiane Forestiere 2:3-7.
 
Spinelli R, Magagnotti N (2012). Wood extraction with farm tractor and sulky. Estimating productivity, cost and energy consumption. Small Scale Forestry 11(2):73-85.
crossref
 
Spinelli R, Owende P, Ward S (2002). Productivity and cost of CTL harvesting of Eucalyptus globules stands using excavator-based harvesters. Forest Prod. J. 52:67-77.
 
StatSoft (2008).STATISTICA 8.0 for Windows [Software for Data Analysis].
 
Visser R, Spinelli R (2012). Determining the shape of the productivity function for mechanized felling and felling-processing. J. Forest Res. 17:397-402.
crossref
 
Visser R, Stampfer K (1998). Cable extraction of harvester felled thinning: and Austrian case study. J. Forest Eng. 9:39-46.
 
Wang J, Long C, McNeel J, Baumgras J (2004). Productivity and cost of manual felling and cable skidding in central Appalachian hardwood forests. Forest Prod. J. 54(12):45-51.
 
Zar JH (1974). Biostatistical analysis. Englewood Cliffs, USA: Prentice Hall Inc.
 
Zečić Z, Krpan APB, Vukušić S (2005). Productivity of C Holder 870 F tractor with double drum winch Ingland 4002 in thinning beech stands. Croatian J. Forest Eng. 26(2):49-57.

 

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