Machine productivity and residual harvesting residues associated with a cut-to-length harvest system in southern Tasmania

Mohammad R Ghaffariyan; J Sessions; Mark W Brown

doi:10.2989/20702620.2012.741770

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Machine productivity and residual harvesting residues associated with a cut-to-length harvest system in southern Tasmania

Journal article

Peer reviewed

Machine productivity and residual harvesting residues associated with a cut-to-length harvest system in southern Tasmania

Mohammad R Ghaffariyan, J Sessions and Mark W Brown

Southern Forests, Vol.74(4), pp.229-235

2012

DOI: https://doi.org/10.2989/20702620.2012.741770

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Abstract

harvesting residues

harvesting system

model

productivity

volume recovery

work time

The cut-to-length method is a preferred method for harvest of pine plantations in Australia. The cut-to-length method studied in southern Tasmania consists of a feller-buncher, processor, forwarder, grapple loader and tractortrailers that were producing only pulp logs for the plantation owner Norske Skog. An elemental time study method was applied to evaluate the productivity of the machines within the flat terrain, Pinus radiata plantation. Multiple regression was used in SPSS to develop the productivity prediction models. The productivity of the feller-buncher and processor averaged 122.20 m3 per productive machine hours excluding all delays (PMH0) and 84.32 m3 PMH0 -1, respectively. The average productivity for the forwarder, grapple loader and truck were 80.90 m3 PMH0 -1, 100.80 m3 PMH0 -1 and 27.40 m3 PMH0 -1, respectively. The average fuel consumption of the feller-buncher, forwarder and processor were also documented. The trial assessed harvest residue left on the site and found 238.7 GMt ha-1 (31% of total biomass above the stump) was left of which 46% was stemwood. These research findings can be used for harvesting planning and improving logging efficiency.

Details

Title: Machine productivity and residual harvesting residues associated with a cut-to-length harvest system in southern Tasmania
Authors: Mohammad R Ghaffariyan (Author) - University of the Sunshine Coast
J Sessions (Author) - Oregon State University, United States
Mark W Brown (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
Publication details: Southern Forests, Vol.74(4), pp.229-235
Publisher: Southern African Institute of Forestry
Date published: 2012
DOI: 10.2989/20702620.2012.741770
ISSN: 2070-2620
Organisation Unit: Tropical Forests and People Research Centre; University of the Sunshine Coast, Queensland; Forest Industries Research Centre; Forest Research Institute
Language: English
Record Identifier: 99450379202621
Output Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Web Of Science research areas: Forestry

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