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4. SHIMOTORI Koichi

Researcher Name

SHIMOTORI Koichi

Div (Section) name/title

Regional Environment Conservation Division(Lake Biwa Branch Office)/Senior Researcher

Research Subject

• Fiscal Year: 2025
  • 27221 : Study for sustainable society based on regional collaboration
  • 27224 : Co-designing solution and its implementation to develop sustainable regional society
  • 27233 : Research on evaluation and clarification of effects and mechanisms of climate change
  • 27234 : Research on Advancement of Climate Change Impact Assessment Methodology
  • 27247 : Regional Environment Conservation Domain: Foresight and Advanced Basic Research
  • 27250 : Biodiversity Domain: Intellectual Research Infrastructure Development
  • 27363 : Intellectual research infrastructure development:Systematic monitoring, development of information on impact prediction and adaptation, and development of tools in the field of climate change adaptation
  • 27439 : Research on the distribution and ecology of the native fishes of Lake Biwa
  • 27467 : Is the benthic cyanobacterium Microseira wollei in Lake Biwa non-toxic?
  • 27477 : Policy-oriented research on conservation and restoration of water environment of Lake Biwa
  • 27484 : Assessing the function of benthic animals for water and sediment quality and estimating the risks caused by their decline
  • 27486 : Research on water and lake-bottom environment for soundness evaluation of Lake Biwa
  • 27487 : Long-term monitoring for the regional freshwater quality
  • 27488 :
• Fiscal Year: 2024
  • 26836 : Study for sustainable society based on regional collaboration
  • 26841 : Co-designing solution and its implementation to develop sustainable regional society
  • 26848 : Research on evaluation and clarification of effects and mechanisms of climate change
  • 26849 : Research on Advancement of Climate Change Impact Assessment Methodology
  • 26864 : Regional Environment Conservation Domain: Foresight and Advanced Basic Research
  • 26869 : Biodiversity Domain: Intellectual Research Infrastructure Development
  • 26929 : Habitat use of freshwater organisms in heterogeneous water temperatures within stream-lake ecotones
  • 26934 : Research on the distribution and ecology of the native fishes of Lake Biwa
  • 27020 : Long-term monitoring for the regional freshwater quality
  • 27022 : Policy-oriented research on conservation and restoration of water environment of Lake Biwa
  • 27025 : Research on water and lake-bottom environment for soundness evaluation of Lake Biwa
  • 27092 : Assessing the function of benthic animals for water and sediment quality and estimating the risks caused by their decline
  • 27093 :
  • 27100 : Intellectual research infrastructure development:Systematic monitoring, development of information on impact prediction and adaptation, and development of tools in the field of climate change adaptation
• Fiscal Year: 2023
  • 26425 : Study for sustainable society based on regional collaboration
  • 26428 : Co-designing solution and its implementation to develop sustainable regional society
  • 26435 : Research on evaluation and clarification of effects and mechanisms of climate change
  • 26436 : Research on Advancement of Climate Change Impact Assessment Methodology
  • 26453 : Regional Environment Conservation Domain: Foresight and Advanced Basic Research
  • 26456 : Biodiversity Domain: Intellectual Research Infrastructure Development
  • 26556 : Monitoring and estimation of the climatic change effects on Japanese natural lakes
  • 26633 : Policy-oriented research on conservation and restoration of water environment of Lake Biwa
  • 26634 : Research on water and lake-bottom environment for soundness evaluation of Lake Biwa
  • 26657 : Assessing the function of benthic animals for water and sediment quality and estimating the risks caused by their decline
  • 26658 : Long-term monitoring for the regional freshwater quality
  • 26661 : Research on the distribution and ecology of the native fishes of Lake Biwa
  • 26736 : Intellectual research infrastructure development:Systematic monitoring, development of information on impact prediction and adaptation, and development of tools in the field of climate change adaptation
• Fiscal Year: 2022
  • 25989 : Study for sustainable society based on regional collaboration
  • 25992 : Co-designing solution and its implementation to develop sustainable regional society
  • 26001 : Research on evaluation and clarification of effects and mechanisms of climate change
  • 26002 : Research on Advancement of Climate Change Impact Assessment Methodology
  • 26010 : Regional Environment Conservation Domain: Foresight and Advanced Basic Research
  • 26014 : Biodiversity Domain: Intellectual Research Infrastructure Development
  • 26203 : Research on the distribution and ecology of the native fishes of Lake Biwa
  • 26208 : Policy-oriented research on conservation and restoration of water environment of Lake Biwa
  • 26225 : Research on water and lake-bottom environment for soundness evaluation of Lake Biwa
  • 26226 : Long-term monitoring for the regional freshwater quality
  • 26257 : Water level operation for ecosystem regime management of lakes
  • 26293 : Intellectual research infrastructure development:Systematic monitoring, development of information on impact prediction and adaptation, and development of tools in the field of climate change adaptation
  • 26341 : Monitoring and estimation of the climatic change effects on Japanese natural lakes
• Fiscal Year: 2021
  • 25522 : Study for sustainable society based on regional collaboration
  • 25525 : Co-designing solution and its implementation to develop sustainable regional society
  • 25535 : Research on evaluation and clarification of effects and mechanisms of climate change
  • 25536 : Research on Advancement of Climate Change Impact Assessment Methodology
  • 25674 : Intellectual research infrastructure development:Systematic monitoring, development of information on impact prediction and adaptation, and development of tools in the field of climate change adaptation
  • 25713 : Regional Environment Conservation Domain: Foresight and Advanced Basic Research
  • 25774 : Water level operation for ecosystem regime management of lakes
  • 25811 : Biodiversity Domain: Intellectual Research Infrastructure Development
  • 25828 : Long-term monitoring for the regional freshwater quality
  • 25842 : Policy-oriented research on conservation and restoration of water environment of Lake Biwa
  • 25844 : Research on water and lake-bottom environment for soundness evaluation of Lake Biwa
  • 25868 : Research on the distribution and ecology of the native fishes of Lake Biwa
• Fiscal Year: 2020
  • 25327 : Studies on Advancing the Methods for Climate Change Impacts Assessment
  • 25385 : Quantitative analysis of molecular weight of dissolved organic matter in lakes, with a focus on brackish lakes
  • 25448 : Study on water quality and lake-bottom environment for protection of the soundness of water environment
• Fiscal Year: 2019
  • 24794 : Study on water quality and lake-bottom environment for protection of the soundness of water environment
  • 24975 : Studies on Advancing the Methods for Climate Change Impacts Assessment
  • 25007 : Quantitative analysis of molecular weight of dissolved organic matter in lakes, with a focus on brackish lakes
  • 25053 : Studies about the appropriate method for monitoring and evaluation of the dissolved oxygen concentration in the lake bottom water that were recently introduced to the Japanese Environmental Quality Standards for Water Pollution
• Fiscal Year: 2018
  • 24528 : Study on water quality and lake-bottom environment for protection of the soundness of water environment
  • 24584 : Studies about the appropriate method for monitoring and evaluation of the dissolved oxygen concentration in the lake bottom water that were recently introduced to the Japanese Environmental Quality Standards for Water Pollution
• Fiscal Year: 2017
  • 23910 : Studies about the appropriate method for monitoring and evaluation of the dissolved oxygen concentration in the lake bottom water that were recently introduced to the Japanese Environmental Quality Standards for Water Pollution
  • 24176 : Study on water quality and lake-bottom environment for protection of the soundness of water environment

Research Result (Publication)

• all
• Original Paper

• Original Paper
  Carrier-resolved metagenomics suggests the dual "filter–hub" function of a large freshwater lake toward incoming antibiotic resistance genes

  Presenter : Shan S., Shimotori K., Tsuchiya K., Sueyoshi M., Matsuda T., Shimizu Y.
  Title : , Science of The Total Environment, 1010(181145): (2026)
• Original Paper
  Two species of the green algae Volvox sect. Volvox from the Japanese ancient lake, Lake Biwa

  Presenter : Nozaki H., Matsuzaki R., Shimotori K., Ueki N., Wirawan H., Wuttipong M., Yamaguchi H., Tanabe Y., Kawachi M.
  Title : , PLOS One, 19(9): (2024)
• Original Paper
  Impact of climate change and oligotrophication on quality and quantity of lake primary production: A case study in Lake Biwa

  Presenter : Kazama T., Hayakawa K., Nagata T., Shimotori K., Imai A.
  Title : , Science of The Total Environment, 927(1):172266 (2024)
• Original Paper
  What interrupted monomictic mixing in Lake Biwa? Heat budget analysis using a circulation model

  Presenter : Nakada S., Imai A., Shimotori K., Yamada K., Yamamoto H., Okamoto T.
  Title : , Hydrological Sciences Journal, 68(16):2298-2316 (2023)
• Original Paper
  Absorption properties of dissolved organic matter in East Asian temperate lakes

  Presenter : Hayakawa K., Nakano S., Li R., Sun F., Wu F., Takei N., Shimotori K., Imai A.
  Title : , Limnology, 24:235-250 (2023)
• Original Paper
  Size-dependent susceptibility of lake phytoplankton to light stress: an implication for succession of large green algae in a deep oligotrophic lake

  Presenter : Kazama T., Hayakawa K., Nagata T., Shimotori K., Imai A., Komatsu K.
  Title : , Hydrobiologia, 849:1115-1130 (2022)
• Original Paper
  Development of a new high-throughput and small-size method for measuring sediment oxygen demand in lakes.

  Presenter : Shimotori K., Yamamoto H., Imai A., Kohzu A., Okamoto T.
  Title : , Journal of Soils and Sediments, 21:1222-1231 (2021)
• Original Paper
  Development of photosynthetic carbon fixation model using multi-excitation wavelength fast repetition rate fluorometry in Lake Biwa

  Presenter : Kazama T., Hayakawa K., Kuwahara VS., Shimotori K., Imai A., Komatsu K.
  Title : , PLOS ONE, 16(2):e0238013-e0238013 (2021)
• Original Paper
  Enhancement of algal growth by Mg2+ released from anaerobic digestion effluent of aquatic macrophytes through photolysis

  Presenter : Qian J., Shimotori K., Liu X., Ban S., Akizuki S., Fujiwara M., Kodera T., Toda T., Imai A.
  Title : , Biochemical Engineering Journal, 172:108065 (2021)
• Original Paper
  Measuring Photophysiology of Attached Stage of Colacium sp. by a Cuvette-Type Fast Repetition Rate Fluorometer

  Presenter : Kazama T., Hayakawa K., Shimotori K., Imai A.
  Title : , Journal of Visualized Experiments, 177(e63108):1-25 (2021)
• Original Paper
  Magnetic Resonance Imaging as a Novel Method for Elucidating Sediment Burrow Structures and Functions

  Presenter : Kohzu A., Watanabe H., Imai A., Takaya N., Miura S., Shimotori K., Komatsu K.
  Title : , ACS OMEGA, 5(25):14933-14941 (2020)
• Original Paper
  Long-term observations of the vertical distributions of mineral elements and phosphorus dynamics in sediments in a shallow eutrophic lake in Japan

  Presenter : Shimotori K., Imai A., Kohzu A., Komatsu K., Koshikawa-K.M., Hayashi S., Watanabe Mirai.
  Title : , Journal of Soils and Sediments, 19(3):1566-1575 (2019)
• Original Paper
  Role of wetlands in mitigating the tradeoff between crop production and water quality in agricultural landscapes

  Presenter : Matsuzaki S., Kohzu A., Kadoya T., Watanabe Mirai., Osawa T., Komatsu K., Kondo N., Yamaguchi H., Ando H., Shimotori K., Fukaya K., Nakagawa M., Kizuka T., Yoshioka A., Sasai T., Saigusa N., Matsushita B., Takamura N.
  Title : , Ecosphere, 10(11):e02918 (2019)
• Original Paper
  Effects of macrophyte harvesting on the water quality and bottom environment of Lake Biwa,Japan

  Presenter : Kohzu A., Shimotori K., Imai A.
  Title : , Limnology (2018)
• Original Paper
  Changes in the composition of phosphorus (P) compound groups in sediment and P in sediment pore water in a shallow eutrophic lake: a 31P NMR study

  Presenter : Shinohara R., Imai A., Kawasaki N., Komatsu K., Kohzu A., Miura S., Sano T., Sato T., Tomioka N., Shimotori K.
  Title : , Limnology, 18(1):141-151 (2017)
• Original Paper
  Role of organic phosphorus in sediment in a shallow eutrophic lake

  Presenter : Shinohara R., Hiroki M., Kohzu A., Imai A., Inoue T., Furusato E., Komatsu K., Sato T., Tomioka N., Shimotori K., Miura S.
  Title : , Water Resources Research, 53:7175-7189 (2017)
• Original Paper
  Quantification and characterization of coastal dissolved organic matter by high-performance size exclusion chromatography with ultraviolet absorption, fluorescence, and total organic carbon analyses

  Presenter : Shimotori K., Satou T., Imai A., Kawasaki N., Komatsu K., Kohzu A., Tomioka N., Shinohara R., Miura S.
  Title : , Limnology and Oceanography: Methods, 14(10):637-648 (2016)
• Original Paper
  Dynamics of particulate phosphorus in a shallow eutrophic lake

  Presenter : Shinohara R., Imai A., Kohzu A., Tomioka N., Furusato E., Sato T., Sano T., Komatsu K., Miura S., Shimotori K.
  Title : , Science of the Total Environment, 563-564(1):413-423 (2016)

• Carrier-resolved metagenomics suggests the dual "filter–hub" function of a large freshwater lake toward incoming antibiotic resistance genes

  Presenter : Shan S., Shimotori K., Tsuchiya K., Sueyoshi M., Matsuda T., Shimizu Y.
  Title : , Science of The Total Environment, 1010(181145): (2026)
• Two species of the green algae Volvox sect. Volvox from the Japanese ancient lake, Lake Biwa

  Presenter : Nozaki H., Matsuzaki R., Shimotori K., Ueki N., Wirawan H., Wuttipong M., Yamaguchi H., Tanabe Y., Kawachi M.
  Title : , PLOS One, 19(9): (2024)
• Impact of climate change and oligotrophication on quality and quantity of lake primary production: A case study in Lake Biwa

  Presenter : Kazama T., Hayakawa K., Nagata T., Shimotori K., Imai A.
  Title : , Science of The Total Environment, 927(1):172266 (2024)
• What interrupted monomictic mixing in Lake Biwa? Heat budget analysis using a circulation model

  Presenter : Nakada S., Imai A., Shimotori K., Yamada K., Yamamoto H., Okamoto T.
  Title : , Hydrological Sciences Journal, 68(16):2298-2316 (2023)
• Absorption properties of dissolved organic matter in East Asian temperate lakes

  Presenter : Hayakawa K., Nakano S., Li R., Sun F., Wu F., Takei N., Shimotori K., Imai A.
  Title : , Limnology, 24:235-250 (2023)
• Size-dependent susceptibility of lake phytoplankton to light stress: an implication for succession of large green algae in a deep oligotrophic lake

  Presenter : Kazama T., Hayakawa K., Nagata T., Shimotori K., Imai A., Komatsu K.
  Title : , Hydrobiologia, 849:1115-1130 (2022)
• Development of a new high-throughput and small-size method for measuring sediment oxygen demand in lakes.

  Presenter : Shimotori K., Yamamoto H., Imai A., Kohzu A., Okamoto T.
  Title : , Journal of Soils and Sediments, 21:1222-1231 (2021)
• Development of photosynthetic carbon fixation model using multi-excitation wavelength fast repetition rate fluorometry in Lake Biwa

  Presenter : Kazama T., Hayakawa K., Kuwahara VS., Shimotori K., Imai A., Komatsu K.
  Title : , PLOS ONE, 16(2):e0238013-e0238013 (2021)
• Enhancement of algal growth by Mg2+ released from anaerobic digestion effluent of aquatic macrophytes through photolysis

  Presenter : Qian J., Shimotori K., Liu X., Ban S., Akizuki S., Fujiwara M., Kodera T., Toda T., Imai A.
  Title : , Biochemical Engineering Journal, 172:108065 (2021)
• Measuring Photophysiology of Attached Stage of Colacium sp. by a Cuvette-Type Fast Repetition Rate Fluorometer

  Presenter : Kazama T., Hayakawa K., Shimotori K., Imai A.
  Title : , Journal of Visualized Experiments, 177(e63108):1-25 (2021)
• Magnetic Resonance Imaging as a Novel Method for Elucidating Sediment Burrow Structures and Functions

  Presenter : Kohzu A., Watanabe H., Imai A., Takaya N., Miura S., Shimotori K., Komatsu K.
  Title : , ACS OMEGA, 5(25):14933-14941 (2020)
• Long-term observations of the vertical distributions of mineral elements and phosphorus dynamics in sediments in a shallow eutrophic lake in Japan

  Presenter : Shimotori K., Imai A., Kohzu A., Komatsu K., Koshikawa-K.M., Hayashi S., Watanabe Mirai.
  Title : , Journal of Soils and Sediments, 19(3):1566-1575 (2019)
• Role of wetlands in mitigating the tradeoff between crop production and water quality in agricultural landscapes

  Presenter : Matsuzaki S., Kohzu A., Kadoya T., Watanabe Mirai., Osawa T., Komatsu K., Kondo N., Yamaguchi H., Ando H., Shimotori K., Fukaya K., Nakagawa M., Kizuka T., Yoshioka A., Sasai T., Saigusa N., Matsushita B., Takamura N.
  Title : , Ecosphere, 10(11):e02918 (2019)
• Effects of macrophyte harvesting on the water quality and bottom environment of Lake Biwa,Japan

  Presenter : Kohzu A., Shimotori K., Imai A.
  Title : , Limnology (2018)
• Changes in the composition of phosphorus (P) compound groups in sediment and P in sediment pore water in a shallow eutrophic lake: a 31P NMR study

  Presenter : Shinohara R., Imai A., Kawasaki N., Komatsu K., Kohzu A., Miura S., Sano T., Sato T., Tomioka N., Shimotori K.
  Title : , Limnology, 18(1):141-151 (2017)
• Role of organic phosphorus in sediment in a shallow eutrophic lake

  Presenter : Shinohara R., Hiroki M., Kohzu A., Imai A., Inoue T., Furusato E., Komatsu K., Sato T., Tomioka N., Shimotori K., Miura S.
  Title : , Water Resources Research, 53:7175-7189 (2017)
• Quantification and characterization of coastal dissolved organic matter by high-performance size exclusion chromatography with ultraviolet absorption, fluorescence, and total organic carbon analyses

  Presenter : Shimotori K., Satou T., Imai A., Kawasaki N., Komatsu K., Kohzu A., Tomioka N., Shinohara R., Miura S.
  Title : , Limnology and Oceanography: Methods, 14(10):637-648 (2016)
• Dynamics of particulate phosphorus in a shallow eutrophic lake

  Presenter : Shinohara R., Imai A., Kohzu A., Tomioka N., Furusato E., Sato T., Sano T., Komatsu K., Miura S., Shimotori K.
  Title : , Science of the Total Environment, 563-564(1):413-423 (2016)

Research Result (Presentation)

• all
• Research Presentation

• Research Presentation
  Experimental Evaluation of Factors Controlling Microbial Carbon Pump Efficiency: Roles of Temperature, Substrate Quality, Sediments, and Benthic Organisms

  Presenter : Yamaguchi Y., Shimotori K., Ogasawara S., Adachi H., Nagata T., Inoue E., Hayakawa K.
  Name of Society : Ocean Sciences Meeting 2026 (2026)
  Name of Proceedings : Abstracts
• Research Presentation
  Dynamics of dissolved oxygen and dissolved organic matter in the submerged aquatic vegetationzone in Lake Biwa, Japan

  Presenter : Shimotori K., Irie M.
  Name of Society : 20th WORLD LAKE CONFERENCE (2025)
  Name of Proceedings : Abstracts
• Research Presentation
  Bacterial production of free-living and particle-attached bacteria in a freshwater lake and inflowing rivers

  Presenter : Shen S., Tsuchiya K., Shimotori K., Yamaguchi Y. T., Sueyoshi M.
  Name of Society : The 19th International Symposium on River and Lake Environment (ISRLE 19) (2024)
  Name of Proceedings : Abstract, 39
• Research Presentation
  Climate change and oligotrophication reduce lake primary production but not the productivity of inedible large algae

  Presenter : Kazama T., Hayakawa K., Nagata T., Shimotori K., Imai A.
  Name of Society : The 10th East Asian Federation of Ecological Societies International Congress (2023)
  Name of Proceedings : Abstracts
• Research Presentation
  Cryptic cycling of high molecular weight dissolved organic matter in the hypolimnion of a deep lake

  Presenter : Yamaguchi Y., Okazaki Y., Shimotori K., Hayakawa K.
  Name of Society : ASLO Aquatic Sciences Meeting 2023 (2023)
  Name of Proceedings : Abstracts
• Research Presentation
  Biodegradation kinetics of different molecular-size classes of freshwater dissolved organic matter during long-term incubations.

  Presenter : Yamaguchi Y., Shimotori K., Imai A., Okazaki Y., Ohara T., Nakamura M., Hichiri S., Okamoto T., Hayakawa K.
  Name of Society : 35th Congress of the International Society of Limnology (2021)
  Name of Proceedings : Abstracts, 357
• Research Presentation
  Biodegradation kinetics and molecular-size distribution of freshwater dissolved organic matter: Insights from HPSEC-TOC analysis of long-term incubations.

  Presenter : Yamaguchi Y., Shimotori K., Imai A., Okazaki Y., Ohara T., Nakamura M., Hichiri S., Okamoto T., Hayakawa K.
  Name of Society : ASLO 2021 Aquatic Sciences Meeting (2021)
  Name of Proceedings : -
• Research Presentation
  Quantification and characterization of dissolved organic matter in natural environments by size exclusion chromatography with total organic carbon detector

  Presenter : Shimotori K., Imai A., Sato T., Komatsu K., Kohzu A., Kawasaki N.
  Name of Society : NOM7 IWA Specialist Conference on Natural Organic Matter 2019 (2019)
  Name of Proceedings : Abstracts
• Research Presentation
  Characterization of dissolved organic matter (DOM) in domestic wastewaters: DOM-fraction distribution, biodegradability and molecular size distribution

  Presenter : Imai A., Satou T., Komatsu K., Kawasaki N., Shimotori K.
  Name of Society : IWA Specialist Conference on Natural Organic Matter in Water 2019 (NOM7) (2019)
  Name of Proceedings : Abstacts
• Research Presentation
  Long-term monitoring of Lake Kasumigaura, Japan: a 40 year legacy and looking to the future

  Presenter : Matsuzaki S., Komatsu K., Kohzu A., Tomioka N., Shinohara R., Shimotori K., Ueno R., Kondo N., Yamaguchi H., Kadoya T., Ando H., Nakagawa M., Totsu K., Imai A., Takamura N.
  Name of Society : Global Lake Ecological Observatory Network (GLEON) 19 (2017)
  Name of Proceedings : Abstracts
• Research Presentation
  Estimation of primary production in Lake Kasumigaura by using in situ measurement by fast repetition rate fluorometry (FRRF)

  Presenter : Komatsu K., Imai A., Tomioka N., Takamura N., Nakagawa M., Sato T., Shimotori K., Kohzu A., Shinohara R.
  Name of Society : SIL XXXIII Congress (2016)
  Name of Proceedings : Abstracts, 107-108
• Research Presentation
  Comparison n nutrient and mineral elution between sediment covered with and without macrophyte litter in Lake Biwa, Japan

  Presenter : Kohzu A., Imai A., Shimotori K., Sato T., Ishikawa K., Komatsu K., Ban S.
  Name of Society : SIL2016 (2016)
  Name of Proceedings : Abstracts, 381-382
• Research Presentation
  Characterization of extracellular dissolved organic matter released by cyanobacteria dominant in a shallow eutrophic lake

  Presenter : Imai A., Komatsu K., Sato T., Kawasaki N., Kohzu A., Shimotori K.
  Name of Society : SIL XXXIII Congress (2016)
  Name of Proceedings : Book of Abstracts, 111-112
• Research Presentation
  Dynamics of Phosphorus in suspended particles in a shallow eutrophic lake: a 31P NMR study

  Presenter : Shinohara R., Imai A., Kohzu A., Tomioka N., Furusato E., Sato T., Sano T., Komatsu K., Miura S., Shimotori K.
  Name of Society : American Geophysical Union Fall Meeting 2016 (2016)
  Name of Proceedings : -
• Research Presentation
  Phosphorus (P) speciation in aquatic macrophytes around Lake Kasumigaura: A 31P NMR study.

  Presenter : Shinohara R., Imai A., Komatsu K., Kohzu A., Miura S., Sano T., Sato T., Tomioka N., Shimotori K.
  Name of Society : Water and Environment Technology Conference 2015 (2015)
  Name of Proceedings : WET2015, 43
• Research Presentation
  Temporal and Vertical Changes in Sediment P Compounds in Lake Kasumigaura, Japan - A31 P Nuclear Magnetic Resonance Spectroscopy Study

  Presenter : Shinohara R., Imai A., Kawasaki, Komatsu K., Kohzu A., Miura S., Sano T., Sato T., Tomioka N., Shimotori K.
  Name of Society : Joint Aquatic Sciences Meeting 2014 (2014)
  Name of Proceedings : -
• Research Presentation
  Characterization of DOM in shallow and deep lakes in Japan by using EEM-PARAFAC

  Presenter : Komatsu K., Imai A., Shimotori K., Sato T., Shinohara R., Kohzu A., Tomioka N.
  Name of Society : 8th Shallow Lakes Conference (2014)
  Name of Proceedings : Abstracts, 145
• Research Presentation
  Long-term trends in dissolved organic matter, phosphorus and nitrogen in sediment porewater of the shallow eutrophic Lake Kasumigaura, Japan

  Presenter : Imai A., Komatsu K., Sato T., Kohzu A., Shinohara R., Tomioka N., Shimotori K.
  Name of Society : 8th Shallow Lakes Conference (2014)
  Name of Proceedings : Abstracts, 192

• Experimental Evaluation of Factors Controlling Microbial Carbon Pump Efficiency: Roles of Temperature, Substrate Quality, Sediments, and Benthic Organisms

  Presenter : Yamaguchi Y., Shimotori K., Ogasawara S., Adachi H., Nagata T., Inoue E., Hayakawa K.
  Name of Society : Ocean Sciences Meeting 2026 (2026)
  Name of Proceedings : Abstracts
• Bacterial production of free-living and particle-attached bacteria in a freshwater lake and inflowing rivers

  Presenter : Shen S., Tsuchiya K., Shimotori K., Yamaguchi Y. T., Sueyoshi M.
  Name of Society : The 19th International Symposium on River and Lake Environment (ISRLE 19) (2024)
  Name of Proceedings : Abstract, 39
• Cryptic cycling of high molecular weight dissolved organic matter in the hypolimnion of a deep lake

  Presenter : Yamaguchi Y., Okazaki Y., Shimotori K., Hayakawa K.
  Name of Society : ASLO Aquatic Sciences Meeting 2023 (2023)
  Name of Proceedings : Abstracts
• Biodegradation kinetics of different molecular-size classes of freshwater dissolved organic matter during long-term incubations.

  Presenter : Yamaguchi Y., Shimotori K., Imai A., Okazaki Y., Ohara T., Nakamura M., Hichiri S., Okamoto T., Hayakawa K.
  Name of Society : 35th Congress of the International Society of Limnology (2021)
  Name of Proceedings : Abstracts, 357
• Biodegradation kinetics and molecular-size distribution of freshwater dissolved organic matter: Insights from HPSEC-TOC analysis of long-term incubations.

  Presenter : Yamaguchi Y., Shimotori K., Imai A., Okazaki Y., Ohara T., Nakamura M., Hichiri S., Okamoto T., Hayakawa K.
  Name of Society : ASLO 2021 Aquatic Sciences Meeting (2021)
  Name of Proceedings : -
• Characterization of dissolved organic matter (DOM) in domestic wastewaters: DOM-fraction distribution, biodegradability and molecular size distribution

  Presenter : Imai A., Satou T., Komatsu K., Kawasaki N., Shimotori K.
  Name of Society : IWA Specialist Conference on Natural Organic Matter in Water 2019 (NOM7) (2019)
  Name of Proceedings : Abstacts
• Estimation of primary production in Lake Kasumigaura by using in situ measurement by fast repetition rate fluorometry (FRRF)

  Presenter : Komatsu K., Imai A., Tomioka N., Takamura N., Nakagawa M., Sato T., Shimotori K., Kohzu A., Shinohara R.
  Name of Society : SIL XXXIII Congress (2016)
  Name of Proceedings : Abstracts, 107-108
• Comparison n nutrient and mineral elution between sediment covered with and without macrophyte litter in Lake Biwa, Japan

  Presenter : Kohzu A., Imai A., Shimotori K., Sato T., Ishikawa K., Komatsu K., Ban S.
  Name of Society : SIL2016 (2016)
  Name of Proceedings : Abstracts, 381-382
• Characterization of extracellular dissolved organic matter released by cyanobacteria dominant in a shallow eutrophic lake

  Presenter : Imai A., Komatsu K., Sato T., Kawasaki N., Kohzu A., Shimotori K.
  Name of Society : SIL XXXIII Congress (2016)
  Name of Proceedings : Book of Abstracts, 111-112
• Characterization of DOM in shallow and deep lakes in Japan by using EEM-PARAFAC

  Presenter : Komatsu K., Imai A., Shimotori K., Sato T., Shinohara R., Kohzu A., Tomioka N.
  Name of Society : 8th Shallow Lakes Conference (2014)
  Name of Proceedings : Abstracts, 145
• Dynamics of dissolved oxygen and dissolved organic matter in the submerged aquatic vegetationzone in Lake Biwa, Japan

  Presenter : Shimotori K., Irie M.
  Name of Society : 20th WORLD LAKE CONFERENCE (2025)
  Name of Proceedings : Abstracts
• Climate change and oligotrophication reduce lake primary production but not the productivity of inedible large algae

  Presenter : Kazama T., Hayakawa K., Nagata T., Shimotori K., Imai A.
  Name of Society : The 10th East Asian Federation of Ecological Societies International Congress (2023)
  Name of Proceedings : Abstracts
• Quantification and characterization of dissolved organic matter in natural environments by size exclusion chromatography with total organic carbon detector

  Presenter : Shimotori K., Imai A., Sato T., Komatsu K., Kohzu A., Kawasaki N.
  Name of Society : NOM7 IWA Specialist Conference on Natural Organic Matter 2019 (2019)
  Name of Proceedings : Abstracts
• Long-term monitoring of Lake Kasumigaura, Japan: a 40 year legacy and looking to the future

  Presenter : Matsuzaki S., Komatsu K., Kohzu A., Tomioka N., Shinohara R., Shimotori K., Ueno R., Kondo N., Yamaguchi H., Kadoya T., Ando H., Nakagawa M., Totsu K., Imai A., Takamura N.
  Name of Society : Global Lake Ecological Observatory Network (GLEON) 19 (2017)
  Name of Proceedings : Abstracts
• Dynamics of Phosphorus in suspended particles in a shallow eutrophic lake: a 31P NMR study

  Presenter : Shinohara R., Imai A., Kohzu A., Tomioka N., Furusato E., Sato T., Sano T., Komatsu K., Miura S., Shimotori K.
  Name of Society : American Geophysical Union Fall Meeting 2016 (2016)
  Name of Proceedings : -
• Phosphorus (P) speciation in aquatic macrophytes around Lake Kasumigaura: A 31P NMR study.

  Presenter : Shinohara R., Imai A., Komatsu K., Kohzu A., Miura S., Sano T., Sato T., Tomioka N., Shimotori K.
  Name of Society : Water and Environment Technology Conference 2015 (2015)
  Name of Proceedings : WET2015, 43
• Temporal and Vertical Changes in Sediment P Compounds in Lake Kasumigaura, Japan - A31 P Nuclear Magnetic Resonance Spectroscopy Study

  Presenter : Shinohara R., Imai A., Kawasaki, Komatsu K., Kohzu A., Miura S., Sano T., Sato T., Tomioka N., Shimotori K.
  Name of Society : Joint Aquatic Sciences Meeting 2014 (2014)
  Name of Proceedings : -
• Long-term trends in dissolved organic matter, phosphorus and nitrogen in sediment porewater of the shallow eutrophic Lake Kasumigaura, Japan

  Presenter : Imai A., Komatsu K., Sato T., Kohzu A., Shinohara R., Tomioka N., Shimotori K.
  Name of Society : 8th Shallow Lakes Conference (2014)
  Name of Proceedings : Abstracts, 192

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