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Watershed Environment Control Lab (University Forests)
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The lab studies water and carbon flows in forests through fieldwork and applies the findings to watershed management.

AboutAbout the lab
Uncovering forest water, carbon, and soil through fieldwork.
The Watershed Environment Control Lab studies how human activities affect forest functions such as water source conservation, carbon storage, and soil conservation.
The lab takes up forest management, air pollution, the spread of bamboo groves, and increasing deer numbers as factors behind these effects, and clarifies them through fieldwork in university forests and elsewhere.
Based on the results, the lab considers how forest watersheds should be managed.
The lab seminar is held in a hybrid format, and anyone who wants to sit in or visit can get in touch through the contact page.
Key terms
- Water source conservation
- The function by which forests store rainwater and regulate its outflow into rivers
- University forest
- A forest managed by a university for education and research
- Soil erosion
- The loss of surface soil as it is washed away by rain or flowing water
ResearchResearch themes
Forest functions such as water source conservation, carbon storage, and soil conservation are affected by human activities, including forest management, air pollution, the spread of bamboo groves, and increasing deer numbers. The lab clarifies these effects through fieldwork in university forests and elsewhere, and considers how forest watersheds should be managed.
*Illustrative imageMeasuring water and carbon cycles in forests
The lab investigates the processes of water and carbon cycling in forests through field measurements and modeling. It also evaluates the effects of bamboo groves, an introduced species, on local water and carbon cycles, and builds long-term monitoring systems covering tropical to temperate forests.
*Illustrative imageEffects of air pollution on forests
The lab investigates how air pollution affects forest ecosystems. One study explores why Rawan-buki (giant butterbur) grows so large, by examining the unusual water chemistry caused by the local geology. Related keywords are forest watersheds, rivers, peatlands, plantation forests, and chemical analysis.
*Illustrative imageEffects of the loss of dwarf bamboo caused by deer
The lab investigates how the disappearance of dwarf bamboo due to deer affects the functions of trees and soil ecosystems. Another study uses a nationwide simultaneous survey to test whether a universal rule governs the balance of production among roots, leaves, and trunks and branches.
*Illustrative imageEnvironmental change and maintaining ecosystem functions
This research considers how to preserve ecosystems and their functions for future generations in the face of various environmental changes. Examples include the process by which soil functions deteriorate through soil erosion, and how alterations of ecosystem structure by wild animals affect the functions of the system.
MembersFaculty
The members of the Watershed Environment Control Lab are faculty and students.
- ProfessorTomonori Kume
- Associate ProfessorMasaaki Chiwa
- Associate ProfessorAyumi Katayama
- Assistant ProfessorHayato Abe
VoicesStudent voices
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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: “Forest Service Road becomes watershed restoration project - Chequamegon-Nicolet National Forest ( )” usfs_Eastern_Region / Public domain (cropped)
- Measuring water and carbon cycles in forests: “Dixie National Forest Plants 98,633 Trees Restoring Wildfire Areas DSC )” Intermountain Region US Forest Service / Public domain (cropped)
- Effects of air pollution on forests: “Acid rain woods1” Lovecz / Public domain (cropped)
- Effects of the loss of dwarf bamboo caused by deer: “The Sika deer on the Miyajima island off Hiroshima are onsidered sacred ( )” shankar s. from Poona (pune), India, India / CC BY 2.0 (cropped)
- Environmental change and maintaining ecosystem functions: “Beech Forest (AU), Great Otway National Park, Beauchamp Falls” Dietmar Rabich / CC BY-SA 4.0 (cropped)
- Related lab (Soil Science Lab): “Gombe state University Geography students visits an Escavated hill showing soil profile with its horizons at Waka biu, Borno state 05” Csasavage / CC0 (cropped)
- Related lab (Forest Conservation Lab): “Vargas debris flow deposits 1999” Wieczorek, G.F., Larsen, M.C., Eaton, L.S., Morgan, B.A. and Blair, J. L. / Public domain (cropped)
- Related lab (Forest Production Control Lab (University Forests)): “Spring forest Yyteri 3” kallerna / CC BY-SA 4.0 (cropped)
- Related lab (Biophysical Chemistry Lab): “Crystal structure ( )” Jun from Melbourne, Australia / CC BY-SA 2.0 (cropped)
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