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Ecosystem Function Lab (Urakawa)
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The lab analyzes forest water and soil to study material cycling and environmental change.
AboutAbout the lab
Reading material cycles from forest water and soil
Associate Professor Rieko Urakawa studies how environmental change alters material cycling in forest ecosystems.
Using chemical and isotope analysis of precipitation, stream water, soil, and rock, the lab investigates the biogeochemical processes that shape water quality and soil.
By analyzing the wide-area distribution and long-term changes of these properties, the lab aims to clarify regional characteristics and how forest ecosystems respond to environmental change.
Key terms
- Material cycling
- The circulation of substances such as nitrogen and carbon as they move among the atmosphere, plants, soil, and water
- Isotope analysis
- A method that measures the proportions of atoms of the same element with slightly different masses, in order to trace the origin and transformation of substances
- Biogeochemistry
- The field that studies how the activities of living organisms relate to chemical changes in soil, water, and the atmosphere
ResearchResearch themes
Specializing in forest soil science and biogeochemistry, the lab studies material cycling in forest ecosystems, combining long-term monitoring with chemical and isotope analysis.
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MembersFaculty
- Associate ProfessorRieko Urakawa
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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: “Creek stream - panoramio” Babiesan / CC BY-SA 3.0 (cropped)
- Forest material cycling and environmental change: “Eisenhumuspodsol” U. Burkhardt / CC BY-SA 3.0 (cropped)
- Related lab (Biodiversity Lab (Uetake)): “Taylor Glacier, cryoconite hole” Peter Rejcek, NSF / Public domain (cropped)
- Related lab (Regional Resource Management Lab): “Abies sachalinensis, Gora Lopatina, Sakhalin” User:Lupus-sapiens / CC0 (cropped)
- Related lab (Ecosystem Function Lab): “Teshio River2” 河川一等兵 / CC BY-SA 4.0 (cropped)
- Related lab (Ecosystem Function Lab (Takagi)): “Sunlight - panoramio (4)” Babiesan / CC BY-SA 3.0 (cropped)
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