Fibre volume losses of eight softwood clearfell harvesting systems in South Africa

References

• Araki , DS. 1996 . Increasing value and fibre recovery from coastal forests by manufacturing longer logs , Vancouver : Forest Engineering Research Institute of Canada . “FERIC Technical Note no. 247
   Google Scholar
• Bilborough A. 2008 . Waste assessment: line intercept method. Forest Resource Optimisation Field Note . Pietermaritzburg : Mondi Group .
   Google Scholar
• Bredenkamp BV. 2000 . Volume and mass of logs and standing trees . In: Owen DL , South African forestry handbook , vol. 1 . Pretoria : South African Institute of Forestry . pp 167 – 175 .
   Google Scholar
• Carey , P and Murphy , G. 2005 . Mechanised versus manual log-making in two Chilean Pinus radiata stands . New Zealand Journal of Forestry Science , 35 : 24 – 34 .
   Google Scholar
• Erasmus , D. 1994 . “ National terrain classification for forestry. Compiled on behalf of the National Terrain Classification Co-operative ” . In ICFR Bulletin Series no. 11/1994 , Pietermaritzberg : Institute for Commercial Forestry Research .
   Google Scholar
• Favreau J. 1997 . A comparison of fibre loss during full tree and cut to length harvesting . FERIC Technical Note no. 118 . Pointe Claire : Forest Engineering Research Institute of Canada .
   Google Scholar
• FERIC (Forest Engineering Research Institute of Canada) . 2004 . Reducing breakage during skidding and delimbing . Available at http://www.feric.ca/index.cfm?objectid=4B27D8EA-B918-5739-EB203EC19E296A3A [accessed 7 February 2008] .
   Google Scholar
• FSA (Forestry South Africa) . 2009 . Abstract of South African forestry facts for the year 2007/2008 . Rivonia : Forestry South Africa .
   Google Scholar
• Gingras J-F. 1992 . Fibre recovery efficiency of wood harvesting systems. FERIC Technical Note no. 186 . Pointe Claire : Forest Engineering Research Institute of Canada .
   Google Scholar
• Ham C Ackerman PA de Wet J du Toit B Geldenhuys C Ham H Howard M Mortimer , Seifert T Wessels B. 2010 . Saw log strategy and implementation plan for South Africa . Stellenbosch : Stellenbosch University Report submitted to Department of Agriculture, Forestry and Fisheries
   Google Scholar
• Han , H-S and Hall , R. 2006 . Improvements in value recovery through low stump heights: mechanised versus manual felling . Western Journal of Applied Forestry , 21 : 33 – 38 .
   Web of Science ®Google Scholar
• Kanawaty G . 1992 . Introduction to work study , 4th edn Geneva : International Labour Office .
   Google Scholar
• Kewley , S and Kellogg , L. 2001 . Mechanical feller-buncher felling: an example study on timber value recovery in South Africa . Southern African Forestry Journal , 192 : 59 – 63 .
   Google Scholar
• Milton , JS and Arnold , JC. 1999 . Introduction to probability and statistics: principles and applications for engineering and the computing sciences , 2nd edn , New York : McGraw-Hill .
   Google Scholar
• Murphy GE. Worldwide experiences with mechanization and value recovery . In: Proceedings of the Wood for Africa 2002 Conference, July 2002, Pietermaritzburg, South Africa 2003 22 32
   Google Scholar
• Murphy GE Cossens GP Twaddle AA. How to improve value recovery from plantation forests: research and practical experience in New Zealand . In: Forestry operations in the 1990's, challenges and solutions: proceedings of the 14th Annual Meeting of the Council on Forest Engineering 22–25 July 1991 Nanaimo, British Columbia, Canada McNeel JF Andersson B Council on Forest Engineering Tahoe 1991 30 38
   Google Scholar
• Murphy , GE and Olsen , G. 1988 . Value recovery from trees bucked on a landing and at a stump . Forest Products Journal , 38 ( 9 ) : 49 – 52 .
   Web of Science ®Google Scholar
• Ride K. 1999 . An investigation of wood fibre recovery and related economics of four harvesting systems common to Northwestern Ontario . MSc (Forestry) thesis , Lakehead University , Canada .
   Google Scholar
• Shaffer , MR. 1992 . A comparison of sheared and saw-head-felled stump heights on six nonindustrial private timber sales in South-Eastern Virginia . Southern Journal of Applied Forestry , 16 : 140 – 142 .
   Google Scholar
• von dem Bussche , GH. 1987 . “ Specifications for softwood saw- and veneer logs ” . In South African Forestry Handbook , Edited by: Von Gadow , GH , van der Zel , DW , van Laar , A , Schänau , APG , Kassier , HW , Warkotsch , PW , Vermaas , HF , Owen , DL and Jordaan , JV . 384 – 389 . Pretoria : Southern African Institute of Forestry .
   Google Scholar
• Warkotsch , WP. 1988 . The effects of harvesting on timber quality . South African Forestry Journal , 147 : 53 – 62 .
   Google Scholar
• Wessels CB Price CS Turner P Dell MP. 2006 . Integrating harvesting and sawmill operations using an optimized sawmill production planning system . In: Ackerman PA , Längin DW , Antonides MC , Precision forestry in plantations, semi-natural and natural forests: proceedings of the International Precision Forestry Symposium 5–10 March 2006 Stellenbosch University, South Africa Stellenbosch : Stellenbosch University . pp 341 – 349 .
   Google Scholar
• Young G. 1998 . Mechanical and manual log manufacturing in coastal second-growth forest: a comparison of recovered value . FERIC Technical Note no. 267 . Vancouver : Forest Engineering Research Institute of Canada .
   Google Scholar