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Forest Utilization Lab
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The lab pursues the sustainable use of forest resources from a technological perspective.

AboutAbout the lab
Sustainable use of forest resources, from a technological perspective
The Forest Utilization Lab studies the technology and science for maximizing the revenue obtained from forests.
Focusing on forestry as a primary industry, the lab works on improving profitability and on making forest work safe and comfortable.
Research combines field surveys in Japan and abroad with mathematical analysis in the lab.
In undergraduate lectures and practicals, students learn through the main keywords of forestry machinery, forest roads, work systems, labor science, and biomass.
Key terms
- Biomass
- Resources derived from living things, such as trees and plants, which can be used as fuel or materials
- Supply chain management
- A method of overseeing the whole flow from production through transport to use, and managing it so that it runs without waste
- Life cycle assessment
- A method of measuring how much environmental burden a product causes across its whole life, from manufacture to disposal
NewsLab news
Developed a system that balances stable timber supply with sustainable forest management
The Department of Forest Science held an open information session for prospective graduate students
Presented a harvest planning method for stably supplying forest biomass
Presented a method for consolidating small-scale, scattered forests
Presented research on designing road networks that support forest management, using the design techniques of earlier generations
ResearchResearch themes
The lab approaches the maximization of revenue from forests mainly from an engineering perspective. By combining field surveys in Japan and abroad with mathematical understanding developed in the lab, it explores what sustainability really means.
*Illustrative imageFlows of Timber and Biomass
This theme covers the whole flow of timber and biomass, from production and transport to use. The lab works on supply chain management and life cycle assessment.
*Illustrative imagePlanning of Forest Roads and Work Roads
This research concerns forest roads and work roads, which form the basic infrastructure of a forest. It addresses layout planning of where to build them and ways to improve construction techniques. The lab also aims to achieve automation using terrain data.
*Illustrative imageUnmanned and Automated Timber Production
The lab works on making operations with forestry machinery and timber production systems unmanned and automated. Forest roads, forestry machinery, and work systems are fields in which the lab has built up research over a long history.
*Illustrative imageLabor Saving in Silviculture
The lab studies how to reduce the labor of silvicultural work, which is done by hand to grow forests. It also develops small work-assist vehicles that support manual labor.
MembersFaculty
- Associate ProfessorTakuyuki YoshiokaPublications ↗
- Assistant ProfessorLAHRSEN SteffenPublications ↗
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Timberjack Harvester - geograph.org.uk - 904916” Will Anderson / CC BY-SA 2.0 (cropped)
- Flows of Timber and Biomass: “Stacked spruce logs beside a forest road near Wernigerode, Harz, Germany – view along the track” Profpcde / CC0 (cropped)
- Planning of Forest Roads and Work Roads: “Gravel road through the forest - panoramio” yourmanstan / CC BY-SA 3.0 (cropped)
- Unmanned and Automated Timber Production: “Harvester and Forwarder - geograph.org.uk - 770100” Peter McDermott / CC BY-SA 2.0 (cropped)
- Labor Saving in Silviculture: “Seedling planting” USFS Region 5 / Public domain (cropped)
- Related lab (Forest Management Lab): “Aerial view of a forest 1 (Unsplash)” Maria Mekht / CC0 (cropped)
- Related lab (Forest Biogeoscience Lab): “Borndipt” T. R. Shankar Raman / CC BY 3.0 (cropped)
- Related lab (Forest Policy Lab): “Hanazawa no Sato, view of a mountain village settlement” Azabujulie / CC BY-SA 4.0 (cropped)
- Related lab (Forest Landscape Planning Lab): “Kamikōchi, Hida Mountains range, Nagano Prefecture; September 2007 (03)” skyseeker / CC BY 2.0 (cropped)
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