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Effects of boom-corridor thinning on harvester productivity and residual stand structure [Elektronski vir]Bergström, Dan ...Biomass derived from small-diameter, dense, thinning stands is largely underutilized within the European Union, mainly because of in-effective harvesting methods and cutting technology, leading to ... high supply costs. Therefore, the efficacy of boom-corridor thinning (BCT) and selective thinning (ST) on harvester felling and bunching productivity was compared for the first thinning of whole tree biomass in small-diameter, dense stands. BCT working method is when trees are cut with linear movements of the harvester’s boom reach, along narrow corridors, instead of cutting each tree selectively (ST). Trials were performed in six forest stands, one in Sweden, two in Finland, and three in Slovenia, using the same harvester and operator. A time-and-motion study was carried out in 64 pre-marked study units (32 replications per method), across a variety of stand conditions. The biomass removal for both treatments averaged 40.2 dry t ha -1 and BCT productivity averaged 5.4 dry t PMh -1. For BCT, harvester work time consumption (sec tree -1) and productivity (dry t PMh -1) were on average 27% lower and 16% higher, respectively, compared with ST. The effectiveness of the accumulating felling head technology used could potentially be increased by implementing a feed-roller system when handling excessive tree lengths. Developing dedicated harvesting technology for BCT could further boost productivity, facilitating cost-effective and sustainable utilization of low-value small-diameter tree biomass and replacing fossil resources.Source: International journal of forest engineering [Elektronski vir]. - ISSN 1913-2220 (Vol. 33, iss. 3, 2022, str. 226–242)Type of material - e-articlePublish date - 2022Language - englishCOBISS.SI-ID - 105353219
Author
Bergström, Dan |
Fernandez-Lacruz, Raul |
de la Fuente, Teresa |
Höök, Christian |
Krajnc, Nike |
Malinen, Jukka |
Nuutinen, Yrjö |
Triplat, Matevž |
Nordfjell, Tomas
Topics
bioenergija |
strojna sečnja |
biogospodarstvo |
mlajši sestoji |
redčenja |
zbiralna procesorska sečnja |
bioenergy |
accumulating felling head |
multi-tree handling |
silviculture |
bioeconomy |
forestry
Author | Bergström, Dan ... |
Title | Effects of boom-corridor thinning on harvester productivity and residual stand structure [Elektronski vir] |
Publication date | 2022-04-17 |
COBISS.SI-ID | 105353219 |
Publication version in repository | Publisher's version |
Publication licence | Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International |
Embargo | Unidentified |
Project(s) from which the publication was funded
Title | Acronym | Project ID | Funder |
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Smallwood | Smallwood | 773324 |
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Link |
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https://www.tandfonline.com/doi/full/10.1080/14942119.2022.2058258 |
https://doi.org/10.1080/14942119.2022.2058258 |
https://dirros.openscience.si/IzpisGradiva.php?id=15045 |
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Bergström, Dan | |
Fernandez-Lacruz, Raul | |
de la Fuente, Teresa | |
Höök, Christian | |
Krajnc, Nike | 17034 |
Malinen, Jukka | |
Nuutinen, Yrjö | |
Triplat, Matevž | 35079 |
Nordfjell, Tomas |
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