Latest Update：2024/04/12 14:29:29

SHIMOTORI Koichi

Researcher Name: SHIMOTORI Koichi

Div (Section) name/title: Regional Environment Conservation Division（Lake Biwa Branch Office）／Senior Researcher

Research Subject

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

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Research Result (Publication)

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Original Paper

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
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)

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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)
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)

View all

Research Result (Presentation)

all
Research Presentation

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

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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
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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SHIMOTORI Koichi

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