Latest Update：2023/02/15 09:50:17

TSUCHIYA Kenji

Researcher Name: TSUCHIYA Kenji

Div (Section) name/title: Regional Environment Conservation Division（Lake and River Section）／Researcher

Research Subject: Material cycling in aquatic ecosystems

Degree(s): Doctor of Philosophy in Engineering

Professional Qualification(s): Biology,Biochemistry,Science of Fisheries

Environmental Speciality Field: environmental dynamics,biogeochemistry,water environment

Research Subject

Fiscal Year: 2022
- 26010 : Regional Environment Conservation Domain: Foresight and Advanced Basic Research
- 26257 : Water level operation for ecosystem regime management of lakes
Fiscal Year: 2021
- 25713 : Regional Environment Conservation Domain: Foresight and Advanced Basic Research
- 25774 : Water level operation for ecosystem regime management of lakes
Fiscal Year: 2020
- 25183 : Bacterial production in river ecosystems
Fiscal Year: 2017
- 24115 : Relationship between molecular size distribution of seawater dissolved organic matter and bacterial decomposition
- 24116 : Importance of food chain initiated by methane-derived carbon in a lake ecosystem

View all

Research Result (Publication)

all
Original Paper

Original Paper
Water-level drawdowns can improve surface water quality and alleviate bottom hypoxia in shallow, eutrophic water bodies

Presenter : Matsuzaki S., Kohzu A., Tsuchiya K., Shinohara R., Nakagawa M., Fukumori K., Yamaguchi H., Kondo N., Kadoya T.
Title : , Freshwater Biology, 68(2):229-244 (2023)
Original Paper
Horizontal variability and regulation of bacterial production in Lake Biwa, Japan.

Presenter : Tsuchiya K., Tomioka N., Komatsu K., Sano T., Kohzu A., Imai A., Hayakawa K., Nagata T., Okamoto T., Ohara T.
Title : , Limnology, 23:231-243 (2022)
Original Paper
Annual dynamics of eukaryotic and bacterial communities revealed by 18S and 16S rRNA metabarcoding in the coastal ecosystem of Sagami Bay, Japan

Presenter : Sogawa S., Tsuchiya K., Nagai S., Shimode S., Kuwahara V.S.
Title : , Metabarcoding and Metagenomics, 6:41-58 (2022)
Original Paper
The composition of organic phosphorus in a river during the springtime irrigation period

Presenter : Shinohara R., Tsuchiya K., Kohzu A.
Title : , Journal of Hydrology: Regional Studies, 44:101238 (2022)
Original Paper
Does increased springtime solar radiation also increase primary production?

Presenter : Shinohara R., Matsuzaki S., Nakagawa M., Tsuchiya K., Kohzu A.
Title : , Journal of Plankton Research, 44(4):497-507 (2022)
Original Paper
Differences in regulation of planktonic and epilithic biofilm bacterial production in the middle reaches of a temperate river

Presenter : Tsuchiya K., Kohzu A., Kuwahara V.S., Matsuzaki S., Denda M., Hirabayashi K.
Title : , Aquatic Microbial Ecology, 87:47-60 (2021)
Original Paper
Warming of water temperature in spring and nutrient release from sediment in a shallow eutrophic lake

Presenter : Shinohara R., Tsuchiya K., Kohzu A.
Title : , Journal of Water and Climate Change, 12(7):3187 (2021)
Original Paper
Variability of benthic methane-derived carbon along seasonal, biological, and sedimentary gradients in a polymictic lake

Presenter : Tsuchiya K., Komatsu K., Shinohara R., Imai A., Matsuzaki S., Ueno R., Kuwahara V.S., Kohzu A.
Title : , Limnology and Oceanography (2020)
Original Paper
Novel method for measuring aquatic bacterial productivity using D10-leucine based on protein synthesis rate

Presenter : Tsuchiya K., Sano T., Tomioka N., Komatsu K., Imai A., Hayakawa K., Nagata T., Okamoto T., Kuwahara V. S., Kohzu A.
Title : , Aquatic Microbial Ecology, 85:121-129 (2020)

View all

Water-level drawdowns can improve surface water quality and alleviate bottom hypoxia in shallow, eutrophic water bodies

Presenter : Matsuzaki S., Kohzu A., Tsuchiya K., Shinohara R., Nakagawa M., Fukumori K., Yamaguchi H., Kondo N., Kadoya T.
Title : , Freshwater Biology, 68(2):229-244 (2023)
Horizontal variability and regulation of bacterial production in Lake Biwa, Japan.

Presenter : Tsuchiya K., Tomioka N., Komatsu K., Sano T., Kohzu A., Imai A., Hayakawa K., Nagata T., Okamoto T., Ohara T.
Title : , Limnology, 23:231-243 (2022)
Annual dynamics of eukaryotic and bacterial communities revealed by 18S and 16S rRNA metabarcoding in the coastal ecosystem of Sagami Bay, Japan

Presenter : Sogawa S., Tsuchiya K., Nagai S., Shimode S., Kuwahara V.S.
Title : , Metabarcoding and Metagenomics, 6:41-58 (2022)
The composition of organic phosphorus in a river during the springtime irrigation period

Presenter : Shinohara R., Tsuchiya K., Kohzu A.
Title : , Journal of Hydrology: Regional Studies, 44:101238 (2022)
Does increased springtime solar radiation also increase primary production?

Presenter : Shinohara R., Matsuzaki S., Nakagawa M., Tsuchiya K., Kohzu A.
Title : , Journal of Plankton Research, 44(4):497-507 (2022)
Differences in regulation of planktonic and epilithic biofilm bacterial production in the middle reaches of a temperate river

Presenter : Tsuchiya K., Kohzu A., Kuwahara V.S., Matsuzaki S., Denda M., Hirabayashi K.
Title : , Aquatic Microbial Ecology, 87:47-60 (2021)
Warming of water temperature in spring and nutrient release from sediment in a shallow eutrophic lake

Presenter : Shinohara R., Tsuchiya K., Kohzu A.
Title : , Journal of Water and Climate Change, 12(7):3187 (2021)
Variability of benthic methane-derived carbon along seasonal, biological, and sedimentary gradients in a polymictic lake

Presenter : Tsuchiya K., Komatsu K., Shinohara R., Imai A., Matsuzaki S., Ueno R., Kuwahara V.S., Kohzu A.
Title : , Limnology and Oceanography (2020)
Novel method for measuring aquatic bacterial productivity using D10-leucine based on protein synthesis rate

Presenter : Tsuchiya K., Sano T., Tomioka N., Komatsu K., Imai A., Hayakawa K., Nagata T., Okamoto T., Kuwahara V. S., Kohzu A.
Title : , Aquatic Microbial Ecology, 85:121-129 (2020)

View all

Research Result (Presentation)

all
Research Presentation

Research Presentation
Substantial decrease in bacterial production over the past three decades in the north basin of Lake Biwa, Japan

Presenter : Tsuchiya K., Tomioka N., Sano T., Kohzu A., Komatsu K., Imai A., Hayakawa K., Nagata T., Okamoto T., Hirose Y.
Name of Society : 35th Congress of the International Society of Limnology (SIL2021) (2021)
Name of Proceedings : Abstracts, (210058)

View all

Substantial decrease in bacterial production over the past three decades in the north basin of Lake Biwa, Japan

Presenter : Tsuchiya K., Tomioka N., Sano T., Kohzu A., Komatsu K., Imai A., Hayakawa K., Nagata T., Okamoto T., Hirose Y.
Name of Society : 35th Congress of the International Society of Limnology (SIL2021) (2021)
Name of Proceedings : Abstracts, (210058)

View all

TSUCHIYA Kenji

About