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Forest Production Control Lab (University Forests)
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The Forest Production Control Lab studies in the field how forest trees and plants live and how they can be used.

AboutAbout the lab
Considering ecosystems and resource use through forests and trees in the field.
At the Forest Production Control Lab, faculty belonging to the Fukuoka, Miyazaki, and Hokkaido University Forests carry out education and research using the university forests.
The lab explores the distribution and physiological characteristics of trees and climbing plants, their ways of life and growth, and their roles in forest ecosystems and material cycles, aiming to harmonize ecosystem conservation with the use of forest resources.
The academic fields it covers are quite broad, centered on forests and trees in the field, and include dendrology, wood science, tree physiology, forest ecology, and ethnology.
Key terms
- University forest
- A forest owned by a university for education and research. This lab uses the university forests in Fukuoka, Miyazaki, and Hokkaido
- Standing tree
- A tree that has not been felled and is still growing
- Hinoki cypress bark (hiwada)
- The bark of the hinoki cypress. It appears in the theme on securing repair timber for historic buildings
ResearchResearch themes
The Forest Production Control Lab studies both how forest trees and plants live and how forests can be used as a resource. Aiming to harmonize ecosystem conservation with the use of forest resources, the lab uses the Fukuoka, Miyazaki, and Hokkaido University Forests to investigate the effects of deer, inspection of standing trees, wood quality, and timber for cultural properties.
*Illustrative imageEffects of deer and dwarf bamboo on forests
The effects of deer on forest ecosystems vary in both type and scale. The lab is trying to clarify how deer and dwarf bamboo influence forest dynamics.
*Illustrative imageNondestructive inspection and diagnostic technology for standing trees
The lab works on developing and applying technology to examine the condition of a tree without damaging it. It has developed an X-ray inspection device for standing trees, and also surveys standing trees using instruments that measure the speed of stress-wave propagation.
*Illustrative imageRelationship between tree growth and wood quality
The lab investigates how factors such as tree variety, place of origin, stand density, and silvicultural treatment relate to wood quality.
*Illustrative imageSecuring repair timber for historic wooden buildings
The lab studies how to secure timber for repairing wooden buildings that are cultural properties. Its themes are the production of hinoki cypress bark (hiwada) and the production of high-quality hinoki cypress and camphor timber for cultural properties.
MembersFaculty
The members of the Forest Production Control Lab are faculty, academic researchers, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorShinya Koga
- Associate ProfessorTsutomu Enoki
- Associate ProfessorYasuhiro Utsumi
- Associate ProfessorRyuji Ichihashi
- Assistant ProfessorNaoaki Tashiro
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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: “Spring forest Yyteri 3” kallerna / CC BY-SA 4.0 (cropped)
- Effects of deer and dwarf bamboo on forests: “Spotted deer grazing in Sundarbans mangrove forest” Lamia Khatun / CC BY-SA 4.0 (cropped)
- Nondestructive inspection and diagnostic technology for standing trees: “Tree Decay - geograph.org.uk - 2788603” wfmillar / CC BY-SA 2.0 (cropped)
- Relationship between tree growth and wood quality: “Weathered growth rings at Aztec Ruins National Monument” Michael Gäbler / CC BY 3.0 (cropped)
- Securing repair timber for historic wooden buildings: “Japanese traditional architecture Gasshō-zukuri” タクナワン / CC0 (cropped)
- Related lab (Silviculture Lab): “Beech Forest (AU), Great Otway National Park” Dietmar Rabich / CC BY-SA 4.0 (cropped)
- Related lab (Forest Planning Lab): “Gunung Nuang summit forest canopy aerial view” Kay Du / CC BY-SA 4.0 (cropped)
- Related lab (Wood Materials Engineering Lab): “Wooden building at Dzirnavu iela 15 in Riga” Bdx / CC0 (cropped)
- Related lab (Forest Ecosphere Environmental Resource Sciences Lab): “Lentinula edodes 20101113 a” Batholith (talk) / Public domain (cropped)
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