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Taketoshi Kodama

University of Tokyo

Japan

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Research Interests

Marine Biology

100%

Ecology

10%

Fish Ecology

40%

Phytoplankton Ecology

40%

Deep-sea Ecology

40%

Benthic Ecology

40%

Marine Chemistry

30%

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Recent Grants

Grant: Close

Isoscape mapping of particulate organic carbon and nitrogen in the Japan Sea

Open Date: 2019-04-01

Close Date: 2023-03-01

Grant: Close

Disturbance on pelagic and benthic ecosystems with the coastal jets in the Sea of Japan

Open Date: 2016-04-01

Close Date: 2019-03-01

Grant: Close

Spatio-temporal variation on nanomolar-level nutrient concentrations in the surface layer of oligotrophic ocean, and its effects to phytoploankton community structure

Open Date: 2009-04-01

Close Date: 2012-03-01

Articles19

Long-Term Changes in the Abundance, Size, and Morphotype of Marine Plastics in the North Pacific

Article Link

Year:

2025

Grazing mortality as a controlling factor in the uncultured non-cyanobacterial diazotroph (Gamma A) around the Kuroshio region

Article Link

Year:

2025

Carbon and Nitrogen Isoscapes of Particulate Organic Matter in the Pacific Ocean

Article Link

Year:

2025

Feeding habits of splendid alfonsino Beryx splendens in the vicinity of Kuroshio, the south of Japan

Article Link

Year:

2025

Use of pelagic tunicate Salpa fusiformis as biological sampler to estimate in-situ density of microplastics smaller than 330 μm

Article Link

Year:

2024

Community structure and distribution pattern of appendicularians in the Kuroshio–Oyashio transitional zone during summer

Article Link

Year:

2024

Spatiotemporal variations of seawater δ18O and δD in the Western North Pacific marginal seas near Japan

Article Link

Year:

2024

Distribution and geographic differences in stable isotope ratios of diamond squid Thysanoteuthis rhombus (Cephalopoda: Thysanoteuthidae) in Japanese waters

Article Link

Year:

2023

Geographic, seasonal and ontogenetic variations of δ15N and δ13C of Japanese sardine explained by baseline variations and diverse fish movements

Article Link

Year:

2023

Eutrophication trends in the coastal region of the Great Tokyo area based on long-term trends of Secchi depth

Article Link

Year:

2023

Relative depths of the subsurface peaks of phytoplankton abundance conserved over ocean provinces

Article Link

Year:

2022

Environmental factors controlling zooplankton accumulation in the near-surface layer in the western North Pacific marginal seas

Article Link

Year:

2022

Long-term Variation in Mesozooplankton Biomass Caused by Top-down Effects: A Case Study in the Coastal Sea of Japan

Article Link

Year:

2022

Carbon and nitrogen dynamics in the coastal Sea of Japan inferred from 15 years of measurements of stable isotope ratios of Calanus sinicus

Article Link

Year:

2022

Similarities of distributions and feeding habits between Bullet tuna, Auxis rochei, and Pacific bluefin tuna, Thunnus orientalis, larvae in the southern Sea of Japan

Article Link

Year:

2022

Empirical estimation of marine phytoplankton assemblages in coastal and offshore areas using an in situ multi-wavelength excitation fluorometer

Article Link

Year:

2022

Feeding ecology of juvenile Pacific bluefin tuna

Article Link

Year:

2021

Regionally Variable Responses of Nitrogen Fixation to Iron and Phosphorus Enrichment in the Pacific Ocean

Article Link

Year:

2021

Potential fluctuation of δ

Article Link

Year:

2021

Collaborators5

HIROAKI SAITO

Professor

University of Tokyo

JAPAN

Tatsuya Sakamoto

Assistant Professor

Kyoto University

JAPAN

Ken Furuya

JAPAN

Mitsuhide Sato

Nagasaki University

JAPAN

Kazutaka Takahashi

University of Tokyo

JAPAN

How do I reach out?

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Taketoshi Kodama

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Research Interests

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Recent Grants

Articles19

Long-Term Changes in the Abundance, Size, and Morphotype of Marine Plastics in the North Pacific

Grazing mortality as a controlling factor in the uncultured non-cyanobacterial diazotroph (Gamma A) around the Kuroshio region

Carbon and Nitrogen Isoscapes of Particulate Organic Matter in the Pacific Ocean

Feeding habits of splendid alfonsino Beryx splendens in the vicinity of Kuroshio, the south of Japan

Use of pelagic tunicate Salpa fusiformis as biological sampler to estimate in-situ density of microplastics smaller than 330 μm

Community structure and distribution pattern of appendicularians in the Kuroshio–Oyashio transitional zone during summer

Spatiotemporal variations of seawater <i>δ</i><sup>18</sup>O and <i>δ</i>D in the Western North Pacific marginal seas near Japan

Distribution and geographic differences in stable isotope ratios of diamond squid Thysanoteuthis rhombus (Cephalopoda: Thysanoteuthidae) in Japanese waters

Geographic, seasonal and ontogenetic variations of δ15N and δ13C of Japanese sardine explained by baseline variations and diverse fish movements

Eutrophication trends in the coastal region of the Great Tokyo area based on long-term trends of Secchi depth

Relative depths of the subsurface peaks of phytoplankton abundance conserved over ocean provinces

Environmental factors controlling zooplankton accumulation in the near-surface layer in the western North Pacific marginal seas

Long-term Variation in Mesozooplankton Biomass Caused by Top-down Effects: A Case Study in the Coastal Sea of Japan

Carbon and nitrogen dynamics in the coastal Sea of Japan inferred from 15 years of measurements of stable isotope ratios of <i>Calanus sinicus</i>

Similarities of distributions and feeding habits between Bullet tuna, Auxis rochei, and Pacific bluefin tuna, Thunnus orientalis, larvae in the southern Sea of Japan

Empirical estimation of marine phytoplankton assemblages in coastal and offshore areas using an in situ multi-wavelength excitation fluorometer

Feeding ecology of juvenile Pacific bluefin tuna

Regionally Variable Responses of Nitrogen Fixation to Iron and Phosphorus Enrichment in the Pacific Ocean

Potential fluctuation of δ

Collaborators5

HIROAKI SAITO

Tatsuya Sakamoto

Ken Furuya

Mitsuhide Sato

Kazutaka Takahashi

How do I reach out?

Taketoshi Kodama

How do I reach out?

Contact this professor

Research Interests

Ask ApplyKite AI

Recent Grants

Articles19

Long-Term Changes in the Abundance, Size, and Morphotype of Marine Plastics in the North Pacific

Grazing mortality as a controlling factor in the uncultured non-cyanobacterial diazotroph (Gamma A) around the Kuroshio region

Carbon and Nitrogen Isoscapes of Particulate Organic Matter in the Pacific Ocean

Feeding habits of splendid alfonsino Beryx splendens in the vicinity of Kuroshio, the south of Japan

Use of pelagic tunicate Salpa fusiformis as biological sampler to estimate in-situ density of microplastics smaller than 330 μm

Community structure and distribution pattern of appendicularians in the Kuroshio–Oyashio transitional zone during summer

Spatiotemporal variations of seawater <i>δ</i><sup>18</sup>O and <i>δ</i>D in the Western North Pacific marginal seas near Japan

Distribution and geographic differences in stable isotope ratios of diamond squid Thysanoteuthis rhombus (Cephalopoda: Thysanoteuthidae) in Japanese waters

Geographic, seasonal and ontogenetic variations of δ15N and δ13C of Japanese sardine explained by baseline variations and diverse fish movements

Eutrophication trends in the coastal region of the Great Tokyo area based on long-term trends of Secchi depth

Relative depths of the subsurface peaks of phytoplankton abundance conserved over ocean provinces

Environmental factors controlling zooplankton accumulation in the near-surface layer in the western North Pacific marginal seas

Long-term Variation in Mesozooplankton Biomass Caused by Top-down Effects: A Case Study in the Coastal Sea of Japan

Carbon and nitrogen dynamics in the coastal Sea of Japan inferred from 15 years of measurements of stable isotope ratios of &lt;i&gt;Calanus sinicus&lt;/i&gt;

Similarities of distributions and feeding habits between Bullet tuna, Auxis rochei, and Pacific bluefin tuna, Thunnus orientalis, larvae in the southern Sea of Japan

Empirical estimation of marine phytoplankton assemblages in coastal and offshore areas using an in situ multi-wavelength excitation fluorometer

Feeding ecology of juvenile Pacific bluefin tuna

Regionally Variable Responses of Nitrogen Fixation to Iron and Phosphorus Enrichment in the Pacific Ocean

Potential fluctuation of δ

Collaborators5

HIROAKI SAITO

Tatsuya Sakamoto

Ken Furuya

Mitsuhide Sato

Kazutaka Takahashi

How do I reach out?

Carbon and nitrogen dynamics in the coastal Sea of Japan inferred from 15 years of measurements of stable isotope ratios of <i>Calanus sinicus</i>