Journal article
Effect of harvesting season, system and equipment on in-forest Pinus radiata bark removal in Australia and New Zealand
International Journal of Forest Engineering, Vol.28(1), pp.10-17
2017
Abstract
Depending on the point of view of the participants in the forest-to-customer supply chain, the presence of bark can be considered as either a benefit or a cost. Understanding which factors affect bark removal should help with managing bark quantities, and the design of harvesting systems and equipment. Over 4000 stems and logs in 11 studies were measured in Australia and New Zealand using digital photos and a line intercept method to determine the amount of bark removed during normal operations. Among other things, we have been able to show that bark removal is greater in spring than winter, with tree-length systems than cut-to-length systems, and with mechanized processing rather than manual processing systems. We were also able to show that the greatest portion of bark removal occurs during felling and extraction with tree-length operations, with a small proportion occurring during delimbing and bucking. There was limited and weak evidence that bark removal may differ with location on pine stems. Finally, we were able to show that the number of knives on a processor head can affect bark removal, although we would recommend that further research be carried out on this topic, since the results ran counter to expectations.
Details
- Title
- Effect of harvesting season, system and equipment on in-forest Pinus radiata bark removal in Australia and New Zealand
- Authors
- Glen Murphy (Author) - GE Murphy & Associates Ltd, New ZealandMauricio Acuna (Author) - University of the Sunshine Coast - Faculty of Arts, Business and Law
- Publication details
- International Journal of Forest Engineering, Vol.28(1), pp.10-17
- Publisher
- Taylor & Francis Inc.
- Date published
- 2017
- DOI
- 10.1080/14942119.2016.1253269
- ISSN
- 1494-2119
- Organisation Unit
- University of the Sunshine Coast, Queensland; Forest Industries Research Centre; Forest Research Institute
- Language
- English
- Record Identifier
- 99451083302621
- Output Type
- Journal article
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- International collaboration
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- Forestry
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