References
- Ackerman P, Pulkki R. 2012. Fibre volume losses of eight softwood clearfell harvesting systems in South Africa. Southern Forests: A Journal of Forest Science. 74(2):133–149. doi:10.2989/20702620.2012.701412.
- Acuna M, Skinnell J, Evanson T, Mitchell R. 2011. Bunching with a self-levelling feller-buncher on steep terrain for efficient yarder extraction. Croatian Journal of Forest Engineering. 32(2):521–531.
- Acuna MA, Kellogg L. 2009. Evaluation of alternative cut-to-length harvesting technology for native forest thinning in Australia. International Journal of Forest Engineering. 20(2):17–25. doi:10.1080/14942119.2009.10702579.
- Adebayo AB, Han H-S, Johnson L. 2007. Productivity and cost of cut-to-length and whole-tree harvesting in a mixed-conifer stand. Forest Products Journal. 57(6):59.
- Alam M, Acuna M, Brown M. 2013. Self-levelling feller-buncher productivity based on Lidar-derived slope. Croatian Journal of Forest Engineering. 34(2):273–281.
- Andrews S. 2015. A comparative study of the influence that motor-manual felling and mechanised felling has on stem breakage [dissertation]. Christchurch (New Zealand): University of Canterbury.
- Boston K, Dysart G. 2000. A comparison of felling techniques on stump height and log damage with economic interpretations. Western Journal of Applied Forestry. 15(2):59–61. doi:10.1093/wjaf/15.2.59.
- Brinker RW, Miller D, Stokes BJ, Lanford BL. 2002. Machine rates for selected forest harvesting machines. Auburn (AL): Auburn University, Alabama Agricultural Experiment Station.
- Brown M, Guimier D, Mercier S, Provencher Y, Turcotte P. 2002. MultiDAT and Opti-grade: two knowledge-based electronic solutions for managing forestry operations more efficiently. In: Kellogg L, Spong B, Licht P, editors. Proceedings of the Wood for Africa Forest Engineering Conference; Jul 2–3; Pietermaritzburg, South Africa. Corvallis (OR): Oregon Forest Engineering Department.
- Connell MJ. 2003. Log presentation: log damage arising from mechanical harvesting or processing. Melbourne (Australia): Forest and Wood Products Research and Development Corporation. Project PN02.1309.
- Ghaffariyan M, Sessions J, Brown M. 2012. Machine productivity and residual harvesting residues associated with a cut-to-length harvest system in southern Tasmania. Southern Forests: A Journal of Forest Science. 74(4):229–235. doi:10.2989/20702620.2012.741770.
- Hillman D. 2004. Comparison of two- and three-machine cut-to-length systems in harvesting small-dimension softwoods. Quebec City (Canada): Forest Research Institute of Canada. FERIC Advantage report 5(37).
- Holtzscher MA, Lanford BL. 1997. Tree diameter effects on cost and productivity of cut-to-length systems. Forest Products Journal. 47(3):25–30.
- Holzleitner F, Stampfer K, Visser R. 2011. Utilization rates and cost factors in timber harvesting based on long-term machine data. Croatian Journal of Forest Engineering. 32(2):501–508.
- Kewley S, Kellogg L. 2000. Work force training needs: an example study on timber value recovery in South Africa. Proceedings of the 23rd Council on Forest Engineering (COFE) conference: technologies for new millennium forestry; Sep 11–14; Kelowna, Canada. Morgantown (WV): Council on Forest Engineering.
- Lambert M. 1996. Stem breakage of Pinus radiata during mechanical felling in Kinleith Forest, Central North Island, New Zealand [dissertation]. Christchurch (New Zealand): University of Canterbury.
- Lees H. 1969. The breakage of Pinus radiata at clearfelling and its effect on sawlog yield. New Zealand Journal of Forestry Science. 14:68–74.
- Magagnotti N, Kanzian C, Schulmeyer F, Spinelli R. 2013. A new guide for work studies in forestry. International Journal of Forest Engineering. 24(3):249–253. doi:10.1080/14942119.2013.856613.
- Matheson A, Gapare W, Ilic J, Wu H. 2008. Inheritance and genetic gain in wood stiffness in radiata pine assessed acoustically in young standing trees. Silvae Genetica. 57(1–6):56–64. doi:10.1515/sg-2008-0009.
- McEwan AM. 2012. The effect of tree and bundle size on the productivity and costs of cut-to-length and multi-stem harvesting systems in Eucalyptus pulpwood [dissertation]. Pretoria (South Africa): University of Pretoria.
- Miyata ES. 1980. Determining fixed and operating costs of logging equipment. St. Paul (MN): U.S. Department of Agriculture, Forest Service, North Central Forest Experiment Station. General Technical Report NC-55.
- Murphy G. 1982. Value savings from alternative felling patterns on steep country. Rotorua (New Zealand): NZ Logging Industry Research Association. Logging Industry Research Association Report 7(8).
- Murphy G. 1984. Felling breakage and stump heights of P. radiata stand in Tairua State Forest. Rotorua (New Zealand): New Zealand Forest Research Institute. Forest Research Institute Bulletin 57.
- Murphy G, Gaskin JE. 1982. Directional felling second crop P. radiata on steep country. Rotorua (New Zealand): NZ Logging Industry Research Association. Logging Industry Research Association Report 7(1).
- Murphy GE, Cossens GP, Twaddle AA. 1991. How to improve value recovery from plantation forests: research and practical experience in New Zealand. In: McNeel J, Andersson B, editors. Proceedings of the 14th Council on Forest Engineering (COFE) conference: forestry operations in the 1990’s, challenges and solutions; Jul 22–25; Nanaimo, Canada. Morgantown (WV): Council on Forest Engineering.
- Nurminen T, Korpunen H, Uusitalo J. 2006. Time consumption analysis of the mechanized cut-to-length harvesting system. Silva Fennica. 40(2):335–363. doi:10.14214/sf.346.
- Proto AR, Macrì G, Visser R, Harrill H, Russo D, Zimbalatti G. 2018. Factors affecting forwarder productivity. European Journal of Forest Research. 137(2):143–151. doi:10.1007/s10342-017-1088-6.
- Snowdon P. 1991. A ratio estimator for bias correction in logarithmic regressions. Canadian Journal of Forest Research. 21:720–724. doi:10.1139/x91-101.
- Spinelli R, Ward SM, Owende PM. 2009. A harvest and transport cost model for Eucalyptus spp. fast-growing short rotation plantations. Biomass & Bioenergy. 33(9):1265–1270. doi:10.1016/j.biombioe.2009.05.010.
- Strandgard M, Alam M, Mitchell R. 2014. Impact of slope on productivity of a self-levelling processor. Croatian Journal of Forest Engineering. 35(2):193–200.
- Strandgard M, Mitchell R, Acuna M. 2016. General productivity model for single grip harvesters in Australian eucalypt plantations. Australian Forestry. 79(2):108–113. doi:10.1080/00049158.2015.1127198.
- Strandgard M, Mitchell R, Acuna M. 2017. Time consumption and productivity of a forwarder operating on a slope in a cut-to-length harvest system in a Pinus radiata D.Don pine plantation. Journal of Forest Science. 63:324–330. doi:10.17221/10/2017-JFS.
- Strandgard M, Mitchell R, Wiedemann J. 2019. Comparison of productivity, cost and chip quality of four balanced harvest systems operating in a Eucalyptus globulus plantation in Western Australia. Croatian Journal of Forest Engineering. 40(1):39–48.
- Strandgard M, Walsh D, Acuna MA. 2013. Estimating harvester productivity in Pinus radiata plantations using StanForD stem files. Scandinavian Journal of Forest Research. 28:73–80. doi:10.1080/02827581.2012.706633.
- Tiernan D, Zeleke G, Owende PMO, Kanali CL, Lyons J, Ward SM. 2004. Effect of working conditions on forwarder productivity in cut-to-length timber harvesting on sensitive forest sites in Ireland. Biosystems Engineering. 87(2):167–177. doi:10.1016/j.biosystemseng.2003.11.009.
- Vasiliauskas R. 2001. Damage to trees due to forestry operations and its pathological significance in temperate forests: a literature review. Forestry. 74(4):319–336. doi:10.1093/forestry/74.4.319.
- Visser R, Spinelli R, Saathof J, Fairbrother S. 2009. Finding the ‘sweet-spot’ of mechanised felling machines. In: Hartsough B, Stokes B, editors. Proceedings of the 32nd Council on Forest Engineering (COFE) conference: environmentally sound forest operations; Jun 15–18; Lake Tahoe, USA. Morgantown (WV): Council on Forest Engineering.
- Wang J, LeDoux CB, Vanderberg M, McNeel J. 2004. Log damage and value loss associated with two ground-based harvesting systems in Central Appalachia. International Journal of Forest Engineering. 15(1):61–69. doi:10.1080/14942119.2004.10702490.