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    (Last updated : 2026-05-17 21:29:51)
  FUJINUMA, Ryosuke

   Professor

   Division of Arts and Sciences, College of Liberal Arts, International Christian University
■ Academic Background
1. 2013/02~2014/12 School of Education, The Faculty of Humanities and Social Sciences, The University of Queensland, Completed, Graduate Certificate in Higher Education
2. 2004/02~2009/12 〔Doctoral Course〕 Department of Soil Science, College of Agriculture and Life Sciences, University of Wisconsin-Madison, Completed, PhD.
3. 1998/09~2002/02 〔Master Course〕 Department of Soil Science, College of Agriculture and Life Sciences, University of Wisconsin-Madison, Completed, M.S.
4. 1994/04~1996/03 〔Master Course〕 Department of Biological Production, Graduate School, Division of Agriculture, Tokyo University of Agriculture and Technology, Completed, M.S.
5. 1990/04~1994/03 Department of Biological Production, Faculty of Agriculture, Tokyo University of Agriculture and Technology, Graduated, B.S.
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■ Professional Background
1. 2025/04~ Professor, Division of Arts and Sciences, College of Liberal Arts, International Christian University
2. 2018/04~2025/03 Associate Professor (New rank system), Division of Arts and Sciences, College of Liberal Arts, International Christian University
3. 2012/02~2018/03 Lecturer, School of Agriculture and Food Sciences, The University of Queensland
4. 2010/01~2012/01 Soil and water management research group, USDA-ARS
5. 2010/01~2012/01 Adjunct Research Fellow, Department of Soil, Water & Climate, University of Minnesota
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■ Present Specialized Fields
Key Word:Soil Science, Soil Fertility, Forest Ecology, Environmental Science, Conservation Agriculture, Environmental Conservation 
■ Main Course Titles
Environmental Soil Science, Soil Fertility, Forest Ecology, Environmental Studies, Conservation Agriculture
■ Books and Articles
1. Book How to spend a happy life as a scientist - Science education, laboratory management, and necessity for coaching-   (Collaboration) 2021/04
2. Article Effects of Cover Crop on Sugar, Flavonoid, and Monoterpene Concentrations in the Fruit of Citrus unshiu Agriculture 16(9),pp.925 (Collaboration) 2026/04Link
3. Article Release of Microplastics from Shoe Outsoles into the Environment by Walking and Jogging, and Ingestion of Shoe Outsole Microplastics by Goldfish Microplastics 4(4),pp.92 (Collaboration) 2025/11Link
4. Article Microplastic ingestion by sea turtles around Tokyo Bay: Level of water pollution influences ingestion amounts Marine Pollution Bulletin 206,pp.116673 (Collaboration) 2024/07Link
5. Article Development of a device to prevent the release of microplastics from artificial turf sports field into the natural environment Journal of Kanagawa Sport and Health Science pp.17-36 (Collaboration) 2024/03
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■ Academic Conference Presentation
1. 2026/03/14 Application of Coffee Grounds and its Effect on Foliar Absorption in Cucumber Plants
2. 2026/03/14 Comparison of the Repellent Effects of Wood Chips from Three Cupressaceae Species Against Platypus quercivorus (Ⅱ)
3. 2026/03/14 Effects of Environmental Stress by the Urban-suburban Difference on the Size of Aedes albopictus (Skuse)
4. 2026/03/14 Optimal Potassium and Phosphorus Concentration for Cultivating A. Acutiloba
5. 2026/03/14 The Effect of the Traditional Satoyama Management on the Mineral-Associated Organic Carbon Formation in the Secondary Forest Soil
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■ Academic Society Memberships
1. 2020~ Japanese Society of Soil Science and Plant NutritionLink
2. 2014~ International Society for Horticultural ScienceLink
3. 2012~ Soil Science AustraliaLink
4. 2008~ American Geological UnionLink
5. 2004~ Ecological Society of AmericaLink
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■ Grants-in-aid for Scientific Research Researcher Number
00826026
■ External Researcher ID
orcID 0000-0002-1951-0794