Latest Update：2026/01/08 10:18:17

KODAMA Keita

Researcher Name: KODAMA Keita

Div (Section) name/title: Health and Environmental Risk Division（Ecosystem Impact Research Section）／Chief Senior Researcher

Research Subject: Factors affecting variationsin biotic populations and communities in coastal regions

Degree(s): PhD (Agricultural Science)

Professional Qualification(s): Science of Fisheries,Biology

Environmental Speciality Field: coastal ecosystem,hypoxia,reproduction

Keyword(s): histology,multivariate statistics,lipofuscin-based age determination,field survey,rearing experiment of aquatic animals,molecular biology

Membership of Academic Society: The Japanese Society of Fisheries Science,Japanese Society of Fisheries Oceanography,Coastal Oceanography Research Committee, The Oceanographic Society of Japan

Research Subject

Fiscal Year: 2025
- 27217 : Research project on the ecological impact and factor analysis considering vulnerability
- 27343 : Evaluation of trophic networks in enclosed coastal ecosystems by field surveys and laboratory experiments
- 27344 : Elucidation of factors affecting mortality in the early life history of fish and invertebrates in Tokyo Bay
Fiscal Year: 2024
- 26831 : Research project on the ecological impact and factor analysis considering vulnerability
- 26980 : Verification of depensatory decrease in megabenthic populations relating to changes in the stock size and environmental conditions
- 26981 : Elucidation of factors affecting mortality in the early life history of fish and invertebrates in Tokyo Bay
- 26982 : Evaluation of trophic networks in enclosed coastal ecosystems by field surveys and laboratory experiments
Fiscal Year: 2023
- 26421 : Research project on the ecological impact and factor analysis considering vulnerability
- 26480 : Elucidation of factors affecting mortality in the early life history of fish and invertebrates in Tokyo Bay
- 26558 : Verification of depensatory decrease in megabenthic populations relating to changes in the stock size and environmental conditions
Fiscal Year: 2022
- 25974 : Research project on the ecological impact and factor analysis considering vulnerability
- 26108 : Elucidation of factors affecting stock-size variations in the megabenthic community in Tokyo Bay
- 26109 : Verification of depensatory decrease in megabenthic populations relating to changes in the stock size and environmental conditions
- 26175 : A comprehensive monitoring survey on megabenthos and the environment in the coastal water off Fukushima
- 26176 : Basic study on ecosystem impact assessment
- 26390 : Elucidation of causal factors for abnormalities observed in intertidal biota near the Fukushima Daiichi Nuclear Power Plant, Japan
Fiscal Year: 2021
- 25518 : Study on ecological impact and factor analysis considering vulnerability
- 25609 : Elucidation of factors affecting stock-size variations in the megabenthic community in Tokyo Bay
- 25723 : A comprehensive monitoring survey on megabenthos and the environment in the coastal water off Fukushima
- 25726 : Basic study on ecosystem impact assessment
- 25728 : Current status and elucidation of the mechanism on changes in coastal ecosystems of Fukushima after the 2011 Tohoku earthquake, tsunami and the nuclear disaster
Fiscal Year: 2020
- 25099 : Research Program on Health and Environmental Safety
- 25144 : Project to Build a System Evaluating Ecological Effect Comprehensively and Effectively
- 25154 : Research for impacts on organisms and ecosystem from environmental radiation and evacuation in Fukushima
- 25244 : Elucidation of factors affecting stock-size variations in the megabenthic community in Tokyo Bay
- 25254 : Current status and elucidation of the mechanism on changes in coastal ecosystems of Fukushima after the 2011 Tohoku earthquake, tsunami and the nuclear disaster
- 25255 : Elucidation of Causal Factors for Temporal Variation and Drastic Changes in Coastal Ecosystems
- 25353 : Study on Global Mercury Dynamics and Risk Management of Mercury
Fiscal Year: 2019
- 24696 : Research Program on Health and Environmental Safety
- 24724 : Project to Build a System Evaluating Ecological Effect Comprehensively and Effectively
- 24735 : Research for impacts on organisms and ecosystem from environmental radiation and evacuation in Fukushima
- 24771 : Effect of feeding habit and prey availability on mortality in early life history of coastal megabenthic animals
- 24872 : Elucidation of Causal Factors for Temporal Variation and Drastic Changes in Coastal Ecosystems
- 24873 : Current status and elucidation of the mechanism on changes in coastal ecosystems of Fukushima after the 2011 Tohoku earthquake, tsunami and the nuclear disaster
- 24978 : Study on Global Mercury Dynamics and Risk Management of Mercury
Fiscal Year: 2018
- 24307 : Project to build a system evaluating ecological effect comprehensively and effectively
- 24327 : Research for Impacts on Organisms and Ecosystem from Environmental Radiation and Evacuation in Fukushima
- 24355 : Research program on health and environmental safety
- 24363 : Effect of feeding habit and prey availability on mortality in early life history of coastal megabenthic animals
- 24507 : Current status and elucidation of the mechanism on changes in coastal ecosystems of Fukushima after the 2011 Tohoku earthquake, tsunami and the nuclear disaster
- 24508 : Elucidation of causal factors for temporal variation and drastic changes in coastal ecosystems
Fiscal Year: 2017
- 23821 : Project to build a system evaluating ecological effect comprehensively and effectively
- 23847 : Research program on health and environmental safety
- 23889 : Effect of feeding habit and prey availability on mortality in early life history of coastal megabenthic animals
- 24075 : Declines of intertidal biota after the Fukushima nuclear disasters involved by the 2011 Great East Japan Earthquake and Tsunami, and evaluation of effects by radionuclides in marine invertebrates
- 24076 : Elucidation of causal factors for temporal variation and drastic changes in coastal ecosystems
Fiscal Year: 2016
- 23414 : Research program on health and environmental safety
- 23418 : Project to build a system evaluating ecological effect comprehensively and effectively
- 23490 : An advancement of method for identifying prey organisms of marine benthic organisms during early life stages using peptide nucleic acid and next generation sequencing
- 23491 : Development of testing methods for elucidating impacts of hydrogen sulfide and hypoxia on early life history of marine megabenthic organisms
- 23630 : Declines of intertidal biota after the Fukushima nuclear disasters involved by the 2011 Great East Japan Earthquake and Tsunami, and evaluation of effects by radionuclides in marine invertebrates
- 23638 : Elucidation of causal factors for temporal variation and drastic changes in coastal ecosystems
Fiscal Year: 2015
- 23000 : Studies on the ecological risk assessment and management of pollutant chemicals
- 23062 : Development of technique for identifying prey organisms of marine benthic organisms during the early life stages; application to ecological research
- 23285 : Declines of intertidal biota after the Fukushima nuclear disasters involved by the 2011 Great East Japan Earthquake and Tsunami, and evaluation of effects by radionuclides in marine invertebrates
Fiscal Year: 2014
- 22588 : Studies on the ecological risk assessment and management of pollutant chemicals
- 22767 : Development of technique for identifying prey organisms of marine benthic organisms during the early life stages; application to ecological research
Fiscal Year: 2013
- 22151 : Development of technique for identifying prey organisms of marine benthic organisms during the early life stages using peptide nucleic acid
- 22172 : Studies on the ecological risk assessment and management of pollutant chemicals
- 22243 : Elucidation of factors affecting mortality at the early life stages of megabenthic animals: comparative study using species having different reproductive seasons
- 22534 : Study on dynamics and fate of radionuclides and their possible adverse effects in an inshore ecosystem
- 22535 : Development of the methodology for elucidation of the actual state on exposure and adverse effects by environmental risk factors in marine organisms
Fiscal Year: 2012
- 21743 : Studies on the ecological risk assessment and management of pollutant chemicals
- 21792 : Elucidation of factors affecting mortality at the early life stages of megabenthic animals: comparative study using species having different reproductive seasons
- 22095 : Study on dynamics and fate of radionuclides and their possible adverse effects in an inshore ecosystem
- 22097 : Studies on the establishment of evaluation methods of adverse effects of hypoxia on benthic organisms and achievement of environmental criteria for bottom dissolved oxygen concentrations in coastal waters
- 22098 : Development of the methodology for elucidation of the actual state on exposure and adverse effects by environmental risk factors in marine organisms
Fiscal Year: 2011
- 21300 : Studies on the ecological risk assessment and management of pollutant chemicals
- 21375 : Elucidation of factors affecting mortality at the early life stages of megabenthic animals: comparative study using species having different reproductive seasons
- 21529 : Development of the methodology for elucidation of the actual state on exposure and adverse effects by environmental risk factors in marine organisms
- 21530 : A long-term monitoring survey on the dynamics of demersal fish community in Tokyo Bay, Japan
- 21532 : Studies on the establishment of evaluation methods of adverse effects of hypoxia on benthic organisms and achievement of environmental criteria for bottom dissolved oxygen concentrations in coastal waters
Fiscal Year: 2010
- 20955 : Development of environmental risk assessment methods with reference to biodiversity and ecosystem functioning
- 20956 : A long-term monitoring survey on the dynamics of demersal fish community in Tokyo Bay, Japan
Fiscal Year: 2009
- 20407 : Development of environmental risk assessment methods with reference to biodiversity and ecosystem functioning
- 20538 : A long-term monitoring survey on the dynamics of demersal fish community in Tokyo Bay, Japan
- 20810 : Effects of hypoxia on reproduction and recruitment of aquatic animals in coastal areas
Fiscal Year: 2008
- 20068 : A long-term monitoring survey on the dynamics of demersal fish community in Tokyo Bay, Japan
- 20073 : Development of environmental risk assessment methods with reference to biodiversity and ecosystem functioning
Fiscal Year: 2007
- 10585 : Development of environmental risk assessment methods with reference to biodiversity and ecosystem functioning
- 10746 : A long-term monitoring survey on the dynamics of demersal fish community in Tokyo Bay, Japan
Fiscal Year: 2006
- 10318 : Development of environmental risk assessment methods with reference to biodiversity and ecosystem functioning
Fiscal Year: 2005
- 9336 : Effects of environmental hormones to the reproduction of wildlife in Japan
- 9499 : Age estimation of crustacean using autofluorescent pigment lipofuscin.
Fiscal Year: 2004
- 8971 : Effects of environmental hormones to the reproduction of wildlife in Japan
- 9250 : Age estimation of crustacean using autofluorescent pigment lipofuscin.

View all

Research Result (Publication)

all
Original Paper
Review
Book

Original Paper
Continuing reproductive abnormalities observed in a rock-shell population near the Fukushima Daiichi Nuclear Power Plant, Japan

Presenter : Horiguchi T., Kodama K., Kintsu H., Kawamura K., Ohta Y.
Title : , Environmental Monitoring and Contaminants Research, 5:157-169 (2025)
Original Paper
Remarkable shifts in the megabenthic community structure over four decades in Tokyo Bay, Japan, in relation to environmental variations

Presenter : Kodama K., Kuroki M., Yamakawa T., Shimizu M., Kintsu H., Horiguchi T.
Title : , Marine Environmental Research, 200(106640): (2024)
Original Paper
Comparison of fish fauna evaluated using aqueous eDNA, sedimentary eDNA, and catch surveys in Tokyo Bay, Central Japan

Presenter : Zhu M., Kuroki M., Kobayashi T., Yamakawa T., Sado T., Kodama K., Horiguchi T., Miya M.
Title : , Journal of Marine Systems, 240(103886): (2023)
Review
What Caused Declines in Intertidal Invertebrate Populations around Fukushima Daiichi Nuclear Power Plant after the 2011 Great East Japan Earthquake, Tsunami, and Nuclear Disaster?

Presenter : Horiguchi T., Kodama K.
Title : , toxics, 10(214): (2022)
Original Paper
Spatial distributions of and species differences in Sr-90 accumulation in marine fishes from the Fukushima coastal region

Presenter : Kintsu H., Kodama K., Horiguchi T.
Title : , Journal of Environmental Radioactivity, 256(2023):107055 (2022)
Original Paper
Multidecadal changes in the demersal community structure in an urban bay: Shift from a bottom- to a top-heavy pyramid

Presenter : Xia S., Yamakawa T., Kuroki M., Horiguchi T., Kodama K., Shiraishi H., Shimizu M.
Title : , Progress in Oceanography, 203(102767): (2022)
Original Paper
Changes in feeding habits of the starspotted smooth-hound, Mustelus manazo, in Tokyo Bay between periods with different stock size levels

Presenter : Park J., Kodama K., Oyama M., Lee J.H., Ohta Y., Yamaguchi A., Shiraishi H., Horiguchi T.
Title : , Marine Pollution Bulletin, 152: (2020)
Original Paper
Qualitative and quantitative changes in dietary composition of marbled flounder Pseudopleuronectes yokohamae between periods of different stock sizes in Tokyo Bay, Japan

Presenter : LEE J.H., Kodama K., Shiraishi H., Horiguchi T.
Title : , Aquatic Animals, AA2019-2:1-7 (2019)
Book
Delayed Recovery from Declines in the Population Densities and Species Richness of Intertidal Invertebrates Near Fukushima Daiichi Nuclear Power Plant

Presenter : Horiguchi T., Kodama K., Kume G., Kang I.J.
Title : , Low-Dose Radiation Effects on Animals and Ecosystems, Long-Term Study on the Fukushima Nuclear Accident (2019)
Original Paper
Ontogenetic and temperature-dependent changes in tolerance to hypoxia and hydrogen sulfide during the early life stages of the Manila clam Ruditapes philippinarum

Presenter : Kodama K., Waku M., Sone R., Miyawaki D., Ishida T., Akatsuka T., Horiguchi T.
Title : , Marine Environmental Research, 137:177-187 (2018)
Original Paper
Current status of the megabenthic community in coastal Fukushima Prefecture, Japan, in the wake of the Great East Japan Earthquake

Presenter : Kodama K., Aramaki T., Horiguchi T.
Title : , Marine Environmental Research, 140:358-374 (2018)
Original Paper
Radiocesium in seawater, sediments, and marine megabenthic species in coastal waters off Fukushima in 2012-2016, after the 2011 nuclear disaster

Presenter : Horiguchi T., Kodama K., Aramaki T., Miyata Y., Nagao S.
Title : , Marine Environmental Research, (137):206-224 (2018)
Original Paper
Effect of water temperature on survival of early-life stages of marbled flounder Pseudopleuronectes yokohamae in Tokyo Bay, Japan

Presenter : Lee J.H., Kodama K., Horiguchi T., Shiraishi H.
Title : , Marine Environmental Research, 128:107-113 (2017)
Original Paper
Temporal trends for inflow of perfluorooctanesulfonate (PFOS) and perfluorooctanoate (PFOA) to Tokyo Bay, Japan, estimated by a receptor-oriented approach

Presenter : Sakurai T., Serizawa S., Kobayashi J., Kodama K., Lee J.H., Maki H., Zushi Y., Sevilla J., Imaizumi Y., Suzuki N., Horiguchi T., Shiraishi H.
Title : , Science of the Total Environment, 539:277-285 (2016)
Original Paper
Changes in growth and reproductive traits of dragonet Callionymus valenciennei in Tokyo Bay, concurrent with decrease in stock size

Presenter : Kodama K., Lee J.H., Shiraishi H., Horiguchi T.
Title : , Marine Environmental Research, 93:23-30 (2014)
Original Paper
Disturbance of recruitment success of mantis shrimp in Tokyo Bay associated with effects of hypoxia on the early life history

Presenter : Kodama K., Tajima Y., Shimizu T., Ohata S., Shiraishi H., Horiguchi T.
Title : , Marine Pollution Bulletin, 85(2):433-438 (2014)
Original Paper
Phenotypic changes in reproductive traits with changes in stock size of the starspotted smooth-hound Mustelus manazo in Tokyo Bay, Japan

Presenter : Park J. , Oyama M., Lee J-H., Kodama K., Ohta Y., Yamaguchi A., Shiraishi H., Horiguchi T.
Title : , FISHERIES SCIENCE, 79(B-02):193-201 (2013)
Original Paper
Structure of the intratesticular duct system for sperm emission in the starspotted smooth-hound Mustelus manazo

Presenter : Park J. , Lee J-H., Kodama K., Urushitani H. , Ohta Y., Horiguchi T.
Title : , FISHERIES SCIENCE, 79(B-02):203-211 (2013)
Original Paper
Assessment of hypoxia-inducible factor-1alpha mRNA expression in mantis shrimp as a biomarker of environmental hypoxia exposure

Presenter : Kodama K., Rahman M.S., Horiguchi T., Thomas P.
Title : , Biology Letters, 8(2):278-281 (2012)
Original Paper
Disturbance of benthic macrofauna in relation to hypoxia and organic enrichment in a eutrophic coastal bay

Presenter : Kodama K., Lee J.H., Oyama M., Shiraishi H., Horiguchi T.
Title : , Marine Environmental Research, 76:80-89 (2012)
Original Paper
Change in body size of juvenile marbled sole Pseudopleuronectes yokohamae after preservation in ethanol

Presenter : Lee J.H.,, Kodama K., Horiguchi T.
Title : , Ichthyological Research, 59(1):49-52 (2012)
Original Paper
Upregulation of hypoxia-inducible factor (HIF)-1α and HIF-2α mRNA levels in dragonet Callionymus valenciennei exposed to environmental hypoxia in Tokyo Bay.

Presenter : Kodama K., Rahman MS, Horiguchi T., Thomas P
Title : , Marine Pollution Bulletin, 64(7):1339-1347 (2012)
Book
Changes in the megabenthic community structure in relation to environmental variations in Tokyo Bay, Japan.

Presenter : Kodama K., Horiguchi T.
Title : , Advances in Environmental Research (2012)
Review
Effects of hypoxia on benthic organisms in Tokyo Bay, Japan: A review

Presenter : Kodama K., Horiguchi T.
Title : , Marine Pollution Bulletin, 63(5-12):215-220 (2011)
Original Paper
Spatial, phase, and temporal distributions of perfluorooctane sulfonate (PFOS) and perfluorooctanoate (PFOA) in Tokyo Bay, Japan

Presenter : Sakurai T., Serizawa S., Isobe T., Kobayashi J., Kodama K., Kume G., Lee J-H., Maki H., Imaizumi Y., Suzuki N., Horiguchi T., Morita M., Shiraishi H.
Title : , Environ.Sci.Technol., 44(11):4110-4115 (2010)
Original Paper
Impaired megabenthic community structure caused by summer hypoxia in a eutrophic coastal bay

Presenter : Kodama K., Oyama M., Kume G., Serizawa S., Shiraishi H., Shibata Y., Shimizu M., Horiguchi T.
Title : , Ecotoxicology, 19(3):479-492 (2010)
Original Paper
Drastic and synchronous changes in megabenthic community structure concurrent with environmental variations in a eutrophic coastal bay

Presenter : Kodama K., Oyama M., Lee J-H., Kume G., Yamaguchi A., Shibata Y., Shiraishi H., Morita M., Shimizu M., Horiguchi T.
Title : , Progress in Oceanography, 87(1-4):157-167 (2010)
Original Paper
Impacts of shifts in spawning seasonality and size at maturation on the population growth of mantis shrimp in Tokyo Bay

Presenter : Nakajima M., Kodama K., Horiguchi T., Tanaka Y., Shiraishi H.
Title : , MARINE ECOLOGY PROGRESS SERIES, 418:179-188 (2010)
Original Paper
Interannual variation in quantitative relationships among egg production and densities of larvae and juveniles of the Japanese mantis shrimp Oratosquilla oratoria in Tokyo Bay, Japan

Presenter : Kodama K., Oyama M., Lee J-H., Akaba Y., Tajima Y., Shimizu T., Shiraishi H., Horiguchi T.
Title : , Fish.Sci., 75(4):875-886 (2009)
Original Paper
Comparison between surface-reading and cross-section methods using sagittal otolith for age determination of the marbled sole Pseudopleuronectes yokohamae

Presenter : Lee J-H., Kodama K., Kume G., Oyama M., Katayama S., Takao Y., Horiguchi T.
Title : , Fish.Sci., 75(2):379-385 (2009)
Original Paper
Changes in growth of marbled sole Pseudopleuronectes yokohamae between high and low stock-size periods in Tokyo Bay, Japan

Presenter : Lee J-H., Kodama K., Oyama M., Kume G., Takao Y., Shiraishi H., Horiguchi T.
Title : , Fish.Sci., 75(4):929-935 (2009)
Original Paper
Reproductive biology of the Japanese mantis shrimp Oratosquilla oratoria(Crustacea Stomatopoda): Annual cycle of gonadal development and copulation

Presenter : Kodama K., Shiraishi H., Morita M., Horiguchi T.
Title : , Mar.Biol.Res., 5(5):415-426 (2009)
Growth and reproductive biology of the small penaeid shrimp Trachysalambria curvirostris in Tokyo Bay

Presenter : Yamada R.(*1), Kodama K., Yamakawa T.(*1), Horiguchi T., Aoki I.(*2)
Title : , Mar.Biol., 151:961-971 (2007)

View all

Continuing reproductive abnormalities observed in a rock-shell population near the Fukushima Daiichi Nuclear Power Plant, Japan

Presenter : Horiguchi T., Kodama K., Kintsu H., Kawamura K., Ohta Y.
Title : , Environmental Monitoring and Contaminants Research, 5:157-169 (2025)
Remarkable shifts in the megabenthic community structure over four decades in Tokyo Bay, Japan, in relation to environmental variations

Presenter : Kodama K., Kuroki M., Yamakawa T., Shimizu M., Kintsu H., Horiguchi T.
Title : , Marine Environmental Research, 200(106640): (2024)
Comparison of fish fauna evaluated using aqueous eDNA, sedimentary eDNA, and catch surveys in Tokyo Bay, Central Japan

Presenter : Zhu M., Kuroki M., Kobayashi T., Yamakawa T., Sado T., Kodama K., Horiguchi T., Miya M.
Title : , Journal of Marine Systems, 240(103886): (2023)
Spatial distributions of and species differences in Sr-90 accumulation in marine fishes from the Fukushima coastal region

Presenter : Kintsu H., Kodama K., Horiguchi T.
Title : , Journal of Environmental Radioactivity, 256(2023):107055 (2022)
Multidecadal changes in the demersal community structure in an urban bay: Shift from a bottom- to a top-heavy pyramid

Presenter : Xia S., Yamakawa T., Kuroki M., Horiguchi T., Kodama K., Shiraishi H., Shimizu M.
Title : , Progress in Oceanography, 203(102767): (2022)
Changes in feeding habits of the starspotted smooth-hound, Mustelus manazo, in Tokyo Bay between periods with different stock size levels

Presenter : Park J., Kodama K., Oyama M., Lee J.H., Ohta Y., Yamaguchi A., Shiraishi H., Horiguchi T.
Title : , Marine Pollution Bulletin, 152: (2020)
Qualitative and quantitative changes in dietary composition of marbled flounder Pseudopleuronectes yokohamae between periods of different stock sizes in Tokyo Bay, Japan

Presenter : LEE J.H., Kodama K., Shiraishi H., Horiguchi T.
Title : , Aquatic Animals, AA2019-2:1-7 (2019)
Ontogenetic and temperature-dependent changes in tolerance to hypoxia and hydrogen sulfide during the early life stages of the Manila clam Ruditapes philippinarum

Presenter : Kodama K., Waku M., Sone R., Miyawaki D., Ishida T., Akatsuka T., Horiguchi T.
Title : , Marine Environmental Research, 137:177-187 (2018)
Current status of the megabenthic community in coastal Fukushima Prefecture, Japan, in the wake of the Great East Japan Earthquake

Presenter : Kodama K., Aramaki T., Horiguchi T.
Title : , Marine Environmental Research, 140:358-374 (2018)
Radiocesium in seawater, sediments, and marine megabenthic species in coastal waters off Fukushima in 2012-2016, after the 2011 nuclear disaster

Presenter : Horiguchi T., Kodama K., Aramaki T., Miyata Y., Nagao S.
Title : , Marine Environmental Research, (137):206-224 (2018)
Effect of water temperature on survival of early-life stages of marbled flounder Pseudopleuronectes yokohamae in Tokyo Bay, Japan

Presenter : Lee J.H., Kodama K., Horiguchi T., Shiraishi H.
Title : , Marine Environmental Research, 128:107-113 (2017)
Temporal trends for inflow of perfluorooctanesulfonate (PFOS) and perfluorooctanoate (PFOA) to Tokyo Bay, Japan, estimated by a receptor-oriented approach

Presenter : Sakurai T., Serizawa S., Kobayashi J., Kodama K., Lee J.H., Maki H., Zushi Y., Sevilla J., Imaizumi Y., Suzuki N., Horiguchi T., Shiraishi H.
Title : , Science of the Total Environment, 539:277-285 (2016)
Changes in growth and reproductive traits of dragonet Callionymus valenciennei in Tokyo Bay, concurrent with decrease in stock size

Presenter : Kodama K., Lee J.H., Shiraishi H., Horiguchi T.
Title : , Marine Environmental Research, 93:23-30 (2014)
Disturbance of recruitment success of mantis shrimp in Tokyo Bay associated with effects of hypoxia on the early life history

Presenter : Kodama K., Tajima Y., Shimizu T., Ohata S., Shiraishi H., Horiguchi T.
Title : , Marine Pollution Bulletin, 85(2):433-438 (2014)
Phenotypic changes in reproductive traits with changes in stock size of the starspotted smooth-hound Mustelus manazo in Tokyo Bay, Japan

Presenter : Park J. , Oyama M., Lee J-H., Kodama K., Ohta Y., Yamaguchi A., Shiraishi H., Horiguchi T.
Title : , FISHERIES SCIENCE, 79(B-02):193-201 (2013)
Structure of the intratesticular duct system for sperm emission in the starspotted smooth-hound Mustelus manazo

Presenter : Park J. , Lee J-H., Kodama K., Urushitani H. , Ohta Y., Horiguchi T.
Title : , FISHERIES SCIENCE, 79(B-02):203-211 (2013)
Assessment of hypoxia-inducible factor-1alpha mRNA expression in mantis shrimp as a biomarker of environmental hypoxia exposure

Presenter : Kodama K., Rahman M.S., Horiguchi T., Thomas P.
Title : , Biology Letters, 8(2):278-281 (2012)
Disturbance of benthic macrofauna in relation to hypoxia and organic enrichment in a eutrophic coastal bay

Presenter : Kodama K., Lee J.H., Oyama M., Shiraishi H., Horiguchi T.
Title : , Marine Environmental Research, 76:80-89 (2012)
Change in body size of juvenile marbled sole Pseudopleuronectes yokohamae after preservation in ethanol

Presenter : Lee J.H.,, Kodama K., Horiguchi T.
Title : , Ichthyological Research, 59(1):49-52 (2012)
Upregulation of hypoxia-inducible factor (HIF)-1α and HIF-2α mRNA levels in dragonet Callionymus valenciennei exposed to environmental hypoxia in Tokyo Bay.

Presenter : Kodama K., Rahman MS, Horiguchi T., Thomas P
Title : , Marine Pollution Bulletin, 64(7):1339-1347 (2012)
Spatial, phase, and temporal distributions of perfluorooctane sulfonate (PFOS) and perfluorooctanoate (PFOA) in Tokyo Bay, Japan

Presenter : Sakurai T., Serizawa S., Isobe T., Kobayashi J., Kodama K., Kume G., Lee J-H., Maki H., Imaizumi Y., Suzuki N., Horiguchi T., Morita M., Shiraishi H.
Title : , Environ.Sci.Technol., 44(11):4110-4115 (2010)
Impaired megabenthic community structure caused by summer hypoxia in a eutrophic coastal bay

Presenter : Kodama K., Oyama M., Kume G., Serizawa S., Shiraishi H., Shibata Y., Shimizu M., Horiguchi T.
Title : , Ecotoxicology, 19(3):479-492 (2010)
Drastic and synchronous changes in megabenthic community structure concurrent with environmental variations in a eutrophic coastal bay

Presenter : Kodama K., Oyama M., Lee J-H., Kume G., Yamaguchi A., Shibata Y., Shiraishi H., Morita M., Shimizu M., Horiguchi T.
Title : , Progress in Oceanography, 87(1-4):157-167 (2010)
Impacts of shifts in spawning seasonality and size at maturation on the population growth of mantis shrimp in Tokyo Bay

Presenter : Nakajima M., Kodama K., Horiguchi T., Tanaka Y., Shiraishi H.
Title : , MARINE ECOLOGY PROGRESS SERIES, 418:179-188 (2010)
Interannual variation in quantitative relationships among egg production and densities of larvae and juveniles of the Japanese mantis shrimp Oratosquilla oratoria in Tokyo Bay, Japan

Presenter : Kodama K., Oyama M., Lee J-H., Akaba Y., Tajima Y., Shimizu T., Shiraishi H., Horiguchi T.
Title : , Fish.Sci., 75(4):875-886 (2009)
Comparison between surface-reading and cross-section methods using sagittal otolith for age determination of the marbled sole Pseudopleuronectes yokohamae

Presenter : Lee J-H., Kodama K., Kume G., Oyama M., Katayama S., Takao Y., Horiguchi T.
Title : , Fish.Sci., 75(2):379-385 (2009)
Changes in growth of marbled sole Pseudopleuronectes yokohamae between high and low stock-size periods in Tokyo Bay, Japan

Presenter : Lee J-H., Kodama K., Oyama M., Kume G., Takao Y., Shiraishi H., Horiguchi T.
Title : , Fish.Sci., 75(4):929-935 (2009)
Reproductive biology of the Japanese mantis shrimp Oratosquilla oratoria(Crustacea Stomatopoda): Annual cycle of gonadal development and copulation

Presenter : Kodama K., Shiraishi H., Morita M., Horiguchi T.
Title : , Mar.Biol.Res., 5(5):415-426 (2009)

View all

What Caused Declines in Intertidal Invertebrate Populations around Fukushima Daiichi Nuclear Power Plant after the 2011 Great East Japan Earthquake, Tsunami, and Nuclear Disaster?

Presenter : Horiguchi T., Kodama K.
Title : , toxics, 10(214): (2022)
Effects of hypoxia on benthic organisms in Tokyo Bay, Japan: A review

Presenter : Kodama K., Horiguchi T.
Title : , Marine Pollution Bulletin, 63(5-12):215-220 (2011)

View all

Delayed Recovery from Declines in the Population Densities and Species Richness of Intertidal Invertebrates Near Fukushima Daiichi Nuclear Power Plant

Presenter : Horiguchi T., Kodama K., Kume G., Kang I.J.
Title : , Low-Dose Radiation Effects on Animals and Ecosystems, Long-Term Study on the Fukushima Nuclear Accident (2019)
Changes in the megabenthic community structure in relation to environmental variations in Tokyo Bay, Japan.

Presenter : Kodama K., Horiguchi T.
Title : , Advances in Environmental Research (2012)

View all

Research Result (Presentation)

all
Research Presentation
Research Lecture

Research Presentation
Decadal monitoring of the megabenthic community in the coastal areas of Fukushima Prefecture, Japan, after the Great East Japan Earthquake.

Presenter : Kodama K., Kintsu H., Horiguchi T.
Name of Society : 21st International Symposium on Toxicity Assessment (2024)
Name of Proceedings : Abstracts, 110
Research Presentation
Accumulation of radioactive strontium derived from the Fukushima nuclear accident in vertebral bones of marine fishes.

Presenter : Kintsu H., Kodama K., Horiguchi T.
Name of Society : 21st International Symposium on Toxicity Assessment (2024)
Name of Proceedings : Abstracts, 97
Research Presentation
Long-term changes in the megabenthic community structure of Tokyo Bay in relation to shifts in environmental conditions.

Presenter : Kodama K., Kintsu H., Horiguchi T., Shimizu M.
Name of Society : 21st International Symposium on Toxicity Assessment (2024)
Name of Proceedings : Abstracts, 37
Research Presentation
Reproductive abnormalities observed in a rock shell population in the vicinity of the Fukushima Daiichi Nuclear Power Plant, Japan

Presenter : Horiguchi T., Aramaki T., Nakajima D., Kodama K., Kintsu H., Morishita F.
Name of Society : 21st International Symposium on Toxicity Assessment (2024)
Name of Proceedings : Abstracts, 36
Research Presentation
Accumulation and excretion of 131I and 134Cs in the rock shell, Reishia clavigera, exposed in a simulating manner of a nuclear power plant accident: toward the dose estimation

Presenter : Horiguchi T., Aoki S., Kodama K., Kintsu H., Ohta Y.
Name of Society : 21st International Symposium on Toxicity Assessment (2024)
Name of Proceedings : Abstracts, 130
Research Presentation
Consecutive sexual maturation observed in a rock shell population in the vicinity of the Fukushima Daiichi Nuclear Power Plant, Japan

Presenter : Horiguchi T., Aramaki T., Nakajima D., Kodama K., Kintsu H., Morishita F.
Name of Society : 福島大学環境放射能研究所第10回成果報告会 (2024)
Name of Proceedings : 同要旨集, 39
Research Presentation
Possible causal factors for declines in intertidal invertebrate populations around Fukushima Daiichi Nuclear Power Plant After the 2011 Great East Japan Earthquake, tsunami,and nuclear disaster

Presenter : Horiguchi T., Kodama K., IkJoon Kang
Name of Society : 20th International Symposium on Toxicity Assessment (2022)
Name of Proceedings : Abstracts, 26
Research Presentation
Consecutive sexual maturation in the rock shell, Thais clavigera collected at a site near the Fukushima Daiichi Nuclear Power Plant

Presenter : Horiguchi T., Kodama K., Kume G,, Kang I.J. ,, Kawamura K., Ohta Y.
Name of Society : 19th International Symposium on Toxicity Assessment (2019)
Name of Proceedings : Abstracts, 30-31
Research Presentation
Exploration of factors affecting changes in megabenthic community structure in Tokyo Bay, Japan: (I) Long-term community-level study

Presenter : Kodama K., Horiguchi T.
Name of Society : 9th International Conference on Marine Pollution and Ecotoxicology (2019)
Name of Proceedings : Abstracts
Research Presentation
Exploration of factors affecting changes in megabenthic community structure in Tokyo Bay, Japan: (II) Population-level studies in four dominant species

Presenter : Kodama K., Horiguchi T.
Name of Society : 9th International Conference on Marine Pollution and Ecotoxicology (2019)
Name of Proceedings : Abstracts
Research Presentation
Delayed recovery from declines in the population densities and species richness of intertidal invertebrates near the Fukushima Daiichi Nuclear Power Plant

Presenter : Horiguchi T., Kodama K., Kume G., Kang I.J., KAWAMURA K., Ohta Y.
Name of Society : SPERA Conference 2018 (2018)
Name of Proceedings : Abstracts, 37
Research Presentation
Less recovery from decline in intertidal biota around Fukushima Daiichi Nuclear Power Plant

Presenter : Horiguchi T., Kodama K., Kume G., Kang I.J.
Name of Society : 4th International Conference on Radioecology & Environmental Radioactivity (2017)
Name of Proceedings : Abstracts, 655-656
Research Presentation
Ontogenetic changes in tolerance to hypoxia and hydrogen sulfide during the early life stages of manila clam Ruditapes

Presenter : Kodama K., Akatsuka T., Waku M., Sone R., Ishida T., Horiguchi T.
Name of Society : 8th International Conference on Marine Pollution and Ecotoxicology (2016)
Name of Proceedings : Abstracts, O-47
Research Presentation
Development of peptide nucleic acid-directed PCR clamping for investigation of feeding habit of crustaceans during early life stages

Presenter : Kodama K., Horiguchi T., Chow S.
Name of Society : 8th International Conference on Marine Pollution and Ecotoxicology (2016)
Name of Proceedings : Abstracts, P-29
Research Lecture
Decline in intertidal biota after the 2011 Great East Japan Earthquake and Tsunami and the Fukushima nuclear disaster

Presenter : Horiguchi T., Yoshii.H, Mizuno.S, Kodama K., Shiraishi H.
Name of Society : 7th Bilateral Seminar Italy-JapanPhysical and chemical impacts on marine organisms:emerging hazards and strategies for saving the oceans (2016)
Name of Proceedings : Abstracts, 15-16
Research Lecture
Effect of hypoxia and hydrogen sulfide on the survival of manila clam Ruditapes philippinarum during the early life stages.

Presenter : Kodama K., Waku M., Sone R., Ishida T., Akatsuka T., Horiguchi T.
Name of Society : 7th Bilateral Seminar Italy-JapanPhysical and chemical impacts on marine organisms:emerging hazards and strategies for saving the oceans (2016)
Name of Proceedings : Abstracts, 7
Research Presentation
Present status of the megabenthic community in the coastal areas of Fukushima Prefecture, Japan after the Great East Japan Earthquake

Presenter : Kodama K., Aramaki T., Tanaka A., Ohara T., Shiraishi H., Horiguchi T.
Name of Society : International Conference on Biodiversity, Ecology and Conservation of Marine Ecosystems 2015 (BECoME2015) (2015)
Name of Proceedings : Abstracts, 84-84
Research Presentation
Changes of sessile organisms around the Fukushima Dai-ichi Nuclear Power Plant after nuclear accidents in March 2011

Presenter : Horiguchi T., Kodama K., Akatsuka T., Shiraishi H.
Name of Society : SETAC Europe 25th Annual Meeting (2015)
Name of Proceedings : Abstracts, 445
Research Lecture
Exploration of factors affecting abundance in early-life stages of marbled sole Pseudopleuronectes yokohamae in Tokyo Bay, Japan

Presenter : Lee J.H., Kodama K., Shiraishi H., Horiguchi T.
Name of Society : 6th Bilateral Seminar Italy-Japan "Physical and chemical impacts on marine organisms: supporting blue growth in meaningful mutual symbiosis with the marine environment" (2014)
Name of Proceedings : Abstracts, 25
Research Presentation
Emission of perfluorooctane sulfonate (PFOS) and perfluorooctanoate (PFOA) in the Tokyo-Bay catchment basin, Japan in 2004-2010

Presenter : Sakurai T., Serizawa S., Kobayashi J., Kodama K., Lee J., Maki H., Imaizumi Y., Suzuki N., Horiguchi T., Shiraishi H.
Name of Society : Society of Environmental Toxicology and Chemistry North America 35th Annual Meeting (2014)
Name of Proceedings : Abstracts, 403
Research Presentation
Disturbance of reproductive success of mantis shrimp in Tokyo Bay associated with effects of hypoxia on the early life history

Presenter : Kodama K., Tajima Y., Shimizu T., Ohata S., Shiraishi H., Horiguchi T.
Name of Society : 7th International Conference on Marine Pollution and Ecotoxicology (2013)
Name of Proceedings : Oral Presentation Abstract, 0-59
Research Lecture
Effects of hypoxia on benthic organisms in Tokyo Bay, Japan.

Presenter : Kodama K., Horiguchi T.
Name of Society : The 1st international symposium for marine environment management in special management coastal area. (2012)
Name of Proceedings : Abstracts, 95-114
Research Lecture
Changes in life history traits of megabenthic species in Tokyo Bay, Japan, concurrent with decresase in their stock sizes

Presenter : Kodama K., Lee J.H., Park J. , Shiraishi H., Horiguchi T.
Name of Society : 5th Bilateral Seminar Italy-Japan "Physical and Chemical Impacts on Marine Organisms: For the Sustainable Quality of Human Society Dependent on Marine Environment" (2012)
Name of Proceedings : Book of Abstracts, 12
Research Lecture
Surveys on environmental Pollution and possible adverse effects by radionuclides in wildlife, after severe accidents of Fukushima Dai-ichi Nuclear Power Plants, Japan

Presenter : Horiguchi T., Kodama K., Ihara S., Takase M., Ohta , Yoshii H., Mizuno S., Kamiyama K., Maki H., Tanaka A., Karube S., Shiraishi H., Ohara T.
Name of Society : 5th Bilateral Seminar Italy-Japan "Physical and Chemical Impacts on Marine Organisms: For the Sustainable Quality of Human Society Dependent on Marine Environment" (2012)
Name of Proceedings : Book of Abstracts, 17
Research Presentation
Use of Hypoxia Inducible Factors as a Biomarker of Exposure to Environmental Hypoxia for Megabenthic Species in a Coastal Bay

Presenter : Kodama K., Rahman M.S., Horiguchi T., Thomas P.
Name of Society : Pollutant Responses in Marine Organisms 16 (2011)
Name of Proceedings : Abstracts of Pollutant Responses in Marine Organisms 16, 132
Research Presentation
Hypoxia-induced disturbance in macrobenthic community in the Tokyo Bay, Japan

Presenter : Kodama K., Lee J-H., Oyama M., Shiraishi H., Horiguchi T.
Name of Society : 6th Int.Conf.Mar.Pollut.Ecotoxicol. (2010)
Name of Proceedings : Abstracts, P-22
Research Presentation
Spatial distribution and partitioning of perfluorooctane sulfonate(PFOS) and perfluorooctanoate(PFOA) in Tokyo Bay, Japan

Presenter : Sakurai T., Serizawa S., Isobe T., Kobayashi J., Kodama K., Kume G., Lee J-H., Maki H., Imaizumi Y., Suzuki N., Horiguchi T., Morita M., Shiraishi H.
Name of Society : 2nd Korea-Jpn.Symp.Environ.Chem./韓国環境分析学会秋季学術大会 (2010)
Name of Proceedings : Abstracts, 243
Research Presentation
Spatial distribution, partitioning, and time trends of perfluorooctane sulfonate(PFOS) and perfluorooctanoate(PFOA) in Tokyo Bay, Japan, 2004-2006

Presenter : Sakurai T., Serizawa S., Isobe T., Kobayashi J., Kodama K., Kume G., Lee J-H., Maki H., Imaizumi Y., Suzuki N., Horiguchi T., Morita M., Shiraishi H.
Name of Society : SETAC North Am.31st Annu.Meet. (2010)
Name of Proceedings : Abstracts, 128
Research Lecture
Use of hypoxia inducible factor as a biomarker of exposure to hypoxia for megabenthos in Tokyo Bay, JAPAN

Presenter : Kodama K., Rahman Md. S., Horiguchi T., Thomas P.
Name of Society : 4th Bilateral Seminar Italy〜Japan Physical and Chemical Impacts on Marine Organisms 〜For Conservation of Biodiversity and Sustainability〜 (2010)
Name of Proceedings : Abstracts, 12
Research Presentation
Long-term dynamics of the megabenthic assemblage in Tokyo Bay, Japan: possible linkage to environmental variations

Presenter : Kodama K., Horiguchi T., Kume G., Oyama M., Lee J-H., Yamaguchi A., Shibata Y., Shiraishi H., Morita M., Shimizu M.
Name of Society : 3rd GLOBEC Open Sci.Meet. (2009)
Name of Proceedings : Abstracts, 169-170
Research Presentation
Analysis of relationships between hypoxia and marine megabenthos at community and population levels: a comparative case study in Tokyo Bay, Japan

Presenter : Kodama K., Oyama M., Lee J-H., Shibata Y., Shiraishi H., Morita M., Shimizu M., Horiguchi T.
Name of Society : SETAC North Am.30th Annu.Meet. (2009)
Name of Proceedings : Abstracts, 294
Research Presentation
Changes in the growth, feeding habit, and reproductive traits in relation to stock size of the marbled flounder Pseudopleuronectes yokohamae in Tokyo Bay, Japan

Presenter : Lee J-H., Kodama K., Oyama M., Kume G., Takao Y., Horiguchi T.
Name of Society : 5th World Fish.Congr. (2008)
Name of Proceedings : Abstracts, 326
Research Lecture
Exploration of causal factors affecting change in stock size of megabenthos in Tokyo Bay, Japan: Community and population-level approach

Presenter : Kodama K., Horiguchi T., Oyama M., Lee J-H., Akaba Y., Tajima Y., Kume G., Yamaguchi A., Takao Y., Shibata Y., Shiraishi H., Morita M., Shimizu M.
Name of Society : 3rd Bilateral Semin.Italy-Jpn.Chem.Impacts Mar.Org.-Seeking Sustainability Postgenomics- (2008)
Name of Proceedings : Abstracts, 10-11
Research Presentation
A long-term monitoring of the dynamics of megabenthic assemblage in Tokyo Bay, Japan

Presenter : Kodama K., Horiguchi T., Kume G., Oyama M., Lee J-H., Yamaguchi A., Shibata Y., Shiraishi H., Morita M., Shimizu M.
Name of Society : 5th SETAC World Congr. (2008)
Name of Proceedings : Abstracts
Research Presentation
Changes in the life history traits concurrent with the change in the abundance of the starspotted dogfish Mustelus manazo in Tokyo Bay, Japan

Presenter : Oyama M., Kodama K., Lee J-H., Yamaguchi A., Shiraishi H., Horiguchi T.
Name of Society : 5th World Fish.Congr. (2008)
Name of Proceedings : Abstracts, 321
Research Presentation
A long-term change in the abundance, biomass and species composition of megabenthic assemblage in Tokyo Bay, Japan

Presenter : Kodama K., Horiguchi T., Kume G., Oyama M., Lee J-H., Yamaguchi A., Shibata Y., Shiraishi H., Morita M., Shimizu M.
Name of Society : 5th World Fish.Congr. (2008)
Name of Proceedings : Abstracts, 266
Research Presentation
Seasonal changes in abundance and spatial distribution of the assemblage of demersal fishes and invertebrates in Tokyo Bay,Japan: Hypoxia-induced habitat deterioration

Presenter : Kodama K., Kume G.(*1), Ohyama M., Serizawa S., Shiraishi H., Shibata Y., Shimizu M.(*2), Horiguchi T.
Name of Society : 5th Int.Conf.Mar.Pollut.Ecotoxicol. (2007)
Name of Proceedings : Abstracts
Research Presentation
Temporal changes of species composition and biomass of benthic community in Tokyo Bay,Japan

Presenter : Horiguchi T., Ochiai S.(*1), Yamaguchi A.(*1), Kume G., Kodama K., Shibata Y., Shiraishi H., Morita M., Shimizu M.(*2)
Name of Society : SETAC 26th Annu.Meet.North Am.(Poster Session) (2005)
Name of Proceedings : Abstracts

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Long-term changes in the megabenthic community structure of Tokyo Bay in relation to shifts in environmental conditions.

Presenter : Kodama K., Kintsu H., Horiguchi T., Shimizu M.
Name of Society : 21st International Symposium on Toxicity Assessment (2024)
Name of Proceedings : Abstracts, 37
Reproductive abnormalities observed in a rock shell population in the vicinity of the Fukushima Daiichi Nuclear Power Plant, Japan

Presenter : Horiguchi T., Aramaki T., Nakajima D., Kodama K., Kintsu H., Morishita F.
Name of Society : 21st International Symposium on Toxicity Assessment (2024)
Name of Proceedings : Abstracts, 36
Consecutive sexual maturation in the rock shell, Thais clavigera collected at a site near the Fukushima Daiichi Nuclear Power Plant

Presenter : Horiguchi T., Kodama K., Kume G,, Kang I.J. ,, Kawamura K., Ohta Y.
Name of Society : 19th International Symposium on Toxicity Assessment (2019)
Name of Proceedings : Abstracts, 30-31
Delayed recovery from declines in the population densities and species richness of intertidal invertebrates near the Fukushima Daiichi Nuclear Power Plant

Presenter : Horiguchi T., Kodama K., Kume G., Kang I.J., KAWAMURA K., Ohta Y.
Name of Society : SPERA Conference 2018 (2018)
Name of Proceedings : Abstracts, 37
Ontogenetic changes in tolerance to hypoxia and hydrogen sulfide during the early life stages of manila clam Ruditapes

Presenter : Kodama K., Akatsuka T., Waku M., Sone R., Ishida T., Horiguchi T.
Name of Society : 8th International Conference on Marine Pollution and Ecotoxicology (2016)
Name of Proceedings : Abstracts, O-47
Present status of the megabenthic community in the coastal areas of Fukushima Prefecture, Japan after the Great East Japan Earthquake

Presenter : Kodama K., Aramaki T., Tanaka A., Ohara T., Shiraishi H., Horiguchi T.
Name of Society : International Conference on Biodiversity, Ecology and Conservation of Marine Ecosystems 2015 (BECoME2015) (2015)
Name of Proceedings : Abstracts, 84-84
Changes of sessile organisms around the Fukushima Dai-ichi Nuclear Power Plant after nuclear accidents in March 2011

Presenter : Horiguchi T., Kodama K., Akatsuka T., Shiraishi H.
Name of Society : SETAC Europe 25th Annual Meeting (2015)
Name of Proceedings : Abstracts, 445
Disturbance of reproductive success of mantis shrimp in Tokyo Bay associated with effects of hypoxia on the early life history

Presenter : Kodama K., Tajima Y., Shimizu T., Ohata S., Shiraishi H., Horiguchi T.
Name of Society : 7th International Conference on Marine Pollution and Ecotoxicology (2013)
Name of Proceedings : Oral Presentation Abstract, 0-59
Use of Hypoxia Inducible Factors as a Biomarker of Exposure to Environmental Hypoxia for Megabenthic Species in a Coastal Bay

Presenter : Kodama K., Rahman M.S., Horiguchi T., Thomas P.
Name of Society : Pollutant Responses in Marine Organisms 16 (2011)
Name of Proceedings : Abstracts of Pollutant Responses in Marine Organisms 16, 132
Spatial distribution, partitioning, and time trends of perfluorooctane sulfonate(PFOS) and perfluorooctanoate(PFOA) in Tokyo Bay, Japan, 2004-2006

Presenter : Sakurai T., Serizawa S., Isobe T., Kobayashi J., Kodama K., Kume G., Lee J-H., Maki H., Imaizumi Y., Suzuki N., Horiguchi T., Morita M., Shiraishi H.
Name of Society : SETAC North Am.31st Annu.Meet. (2010)
Name of Proceedings : Abstracts, 128
A long-term change in the abundance, biomass and species composition of megabenthic assemblage in Tokyo Bay, Japan

Presenter : Kodama K., Horiguchi T., Kume G., Oyama M., Lee J-H., Yamaguchi A., Shibata Y., Shiraishi H., Morita M., Shimizu M.
Name of Society : 5th World Fish.Congr. (2008)
Name of Proceedings : Abstracts, 266
Seasonal changes in abundance and spatial distribution of the assemblage of demersal fishes and invertebrates in Tokyo Bay,Japan: Hypoxia-induced habitat deterioration

Presenter : Kodama K., Kume G.(*1), Ohyama M., Serizawa S., Shiraishi H., Shibata Y., Shimizu M.(*2), Horiguchi T.
Name of Society : 5th Int.Conf.Mar.Pollut.Ecotoxicol. (2007)
Name of Proceedings : Abstracts
Temporal changes of species composition and biomass of benthic community in Tokyo Bay,Japan

Presenter : Horiguchi T., Ochiai S.(*1), Yamaguchi A.(*1), Kume G., Kodama K., Shibata Y., Shiraishi H., Morita M., Shimizu M.(*2)
Name of Society : SETAC 26th Annu.Meet.North Am.(Poster Session) (2005)
Name of Proceedings : Abstracts
Decadal monitoring of the megabenthic community in the coastal areas of Fukushima Prefecture, Japan, after the Great East Japan Earthquake.

Presenter : Kodama K., Kintsu H., Horiguchi T.
Name of Society : 21st International Symposium on Toxicity Assessment (2024)
Name of Proceedings : Abstracts, 110
Accumulation of radioactive strontium derived from the Fukushima nuclear accident in vertebral bones of marine fishes.

Presenter : Kintsu H., Kodama K., Horiguchi T.
Name of Society : 21st International Symposium on Toxicity Assessment (2024)
Name of Proceedings : Abstracts, 97
Accumulation and excretion of 131I and 134Cs in the rock shell, Reishia clavigera, exposed in a simulating manner of a nuclear power plant accident: toward the dose estimation

Presenter : Horiguchi T., Aoki S., Kodama K., Kintsu H., Ohta Y.
Name of Society : 21st International Symposium on Toxicity Assessment (2024)
Name of Proceedings : Abstracts, 130
Consecutive sexual maturation observed in a rock shell population in the vicinity of the Fukushima Daiichi Nuclear Power Plant, Japan

Presenter : Horiguchi T., Aramaki T., Nakajima D., Kodama K., Kintsu H., Morishita F.
Name of Society : 福島大学環境放射能研究所第10回成果報告会 (2024)
Name of Proceedings : 同要旨集, 39
Possible causal factors for declines in intertidal invertebrate populations around Fukushima Daiichi Nuclear Power Plant After the 2011 Great East Japan Earthquake, tsunami,and nuclear disaster

Presenter : Horiguchi T., Kodama K., IkJoon Kang
Name of Society : 20th International Symposium on Toxicity Assessment (2022)
Name of Proceedings : Abstracts, 26
Exploration of factors affecting changes in megabenthic community structure in Tokyo Bay, Japan: (I) Long-term community-level study

Presenter : Kodama K., Horiguchi T.
Name of Society : 9th International Conference on Marine Pollution and Ecotoxicology (2019)
Name of Proceedings : Abstracts
Exploration of factors affecting changes in megabenthic community structure in Tokyo Bay, Japan: (II) Population-level studies in four dominant species

Presenter : Kodama K., Horiguchi T.
Name of Society : 9th International Conference on Marine Pollution and Ecotoxicology (2019)
Name of Proceedings : Abstracts
Less recovery from decline in intertidal biota around Fukushima Daiichi Nuclear Power Plant

Presenter : Horiguchi T., Kodama K., Kume G., Kang I.J.
Name of Society : 4th International Conference on Radioecology & Environmental Radioactivity (2017)
Name of Proceedings : Abstracts, 655-656
Development of peptide nucleic acid-directed PCR clamping for investigation of feeding habit of crustaceans during early life stages

Presenter : Kodama K., Horiguchi T., Chow S.
Name of Society : 8th International Conference on Marine Pollution and Ecotoxicology (2016)
Name of Proceedings : Abstracts, P-29
Emission of perfluorooctane sulfonate (PFOS) and perfluorooctanoate (PFOA) in the Tokyo-Bay catchment basin, Japan in 2004-2010

Presenter : Sakurai T., Serizawa S., Kobayashi J., Kodama K., Lee J., Maki H., Imaizumi Y., Suzuki N., Horiguchi T., Shiraishi H.
Name of Society : Society of Environmental Toxicology and Chemistry North America 35th Annual Meeting (2014)
Name of Proceedings : Abstracts, 403
Hypoxia-induced disturbance in macrobenthic community in the Tokyo Bay, Japan

Presenter : Kodama K., Lee J-H., Oyama M., Shiraishi H., Horiguchi T.
Name of Society : 6th Int.Conf.Mar.Pollut.Ecotoxicol. (2010)
Name of Proceedings : Abstracts, P-22
Spatial distribution and partitioning of perfluorooctane sulfonate(PFOS) and perfluorooctanoate(PFOA) in Tokyo Bay, Japan

Presenter : Sakurai T., Serizawa S., Isobe T., Kobayashi J., Kodama K., Kume G., Lee J-H., Maki H., Imaizumi Y., Suzuki N., Horiguchi T., Morita M., Shiraishi H.
Name of Society : 2nd Korea-Jpn.Symp.Environ.Chem./韓国環境分析学会秋季学術大会 (2010)
Name of Proceedings : Abstracts, 243
Long-term dynamics of the megabenthic assemblage in Tokyo Bay, Japan: possible linkage to environmental variations

Presenter : Kodama K., Horiguchi T., Kume G., Oyama M., Lee J-H., Yamaguchi A., Shibata Y., Shiraishi H., Morita M., Shimizu M.
Name of Society : 3rd GLOBEC Open Sci.Meet. (2009)
Name of Proceedings : Abstracts, 169-170
Analysis of relationships between hypoxia and marine megabenthos at community and population levels: a comparative case study in Tokyo Bay, Japan

Presenter : Kodama K., Oyama M., Lee J-H., Shibata Y., Shiraishi H., Morita M., Shimizu M., Horiguchi T.
Name of Society : SETAC North Am.30th Annu.Meet. (2009)
Name of Proceedings : Abstracts, 294
Changes in the growth, feeding habit, and reproductive traits in relation to stock size of the marbled flounder Pseudopleuronectes yokohamae in Tokyo Bay, Japan

Presenter : Lee J-H., Kodama K., Oyama M., Kume G., Takao Y., Horiguchi T.
Name of Society : 5th World Fish.Congr. (2008)
Name of Proceedings : Abstracts, 326
A long-term monitoring of the dynamics of megabenthic assemblage in Tokyo Bay, Japan

Presenter : Kodama K., Horiguchi T., Kume G., Oyama M., Lee J-H., Yamaguchi A., Shibata Y., Shiraishi H., Morita M., Shimizu M.
Name of Society : 5th SETAC World Congr. (2008)
Name of Proceedings : Abstracts
Changes in the life history traits concurrent with the change in the abundance of the starspotted dogfish Mustelus manazo in Tokyo Bay, Japan

Presenter : Oyama M., Kodama K., Lee J-H., Yamaguchi A., Shiraishi H., Horiguchi T.
Name of Society : 5th World Fish.Congr. (2008)
Name of Proceedings : Abstracts, 321

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Decline in intertidal biota after the 2011 Great East Japan Earthquake and Tsunami and the Fukushima nuclear disaster

Presenter : Horiguchi T., Yoshii.H, Mizuno.S, Kodama K., Shiraishi H.
Name of Society : 7th Bilateral Seminar Italy-JapanPhysical and chemical impacts on marine organisms:emerging hazards and strategies for saving the oceans (2016)
Name of Proceedings : Abstracts, 15-16
Effect of hypoxia and hydrogen sulfide on the survival of manila clam Ruditapes philippinarum during the early life stages.

Presenter : Kodama K., Waku M., Sone R., Ishida T., Akatsuka T., Horiguchi T.
Name of Society : 7th Bilateral Seminar Italy-JapanPhysical and chemical impacts on marine organisms:emerging hazards and strategies for saving the oceans (2016)
Name of Proceedings : Abstracts, 7
Exploration of factors affecting abundance in early-life stages of marbled sole Pseudopleuronectes yokohamae in Tokyo Bay, Japan

Presenter : Lee J.H., Kodama K., Shiraishi H., Horiguchi T.
Name of Society : 6th Bilateral Seminar Italy-Japan "Physical and chemical impacts on marine organisms: supporting blue growth in meaningful mutual symbiosis with the marine environment" (2014)
Name of Proceedings : Abstracts, 25
Effects of hypoxia on benthic organisms in Tokyo Bay, Japan.

Presenter : Kodama K., Horiguchi T.
Name of Society : The 1st international symposium for marine environment management in special management coastal area. (2012)
Name of Proceedings : Abstracts, 95-114
Changes in life history traits of megabenthic species in Tokyo Bay, Japan, concurrent with decresase in their stock sizes

Presenter : Kodama K., Lee J.H., Park J. , Shiraishi H., Horiguchi T.
Name of Society : 5th Bilateral Seminar Italy-Japan "Physical and Chemical Impacts on Marine Organisms: For the Sustainable Quality of Human Society Dependent on Marine Environment" (2012)
Name of Proceedings : Book of Abstracts, 12
Surveys on environmental Pollution and possible adverse effects by radionuclides in wildlife, after severe accidents of Fukushima Dai-ichi Nuclear Power Plants, Japan

Presenter : Horiguchi T., Kodama K., Ihara S., Takase M., Ohta , Yoshii H., Mizuno S., Kamiyama K., Maki H., Tanaka A., Karube S., Shiraishi H., Ohara T.
Name of Society : 5th Bilateral Seminar Italy-Japan "Physical and Chemical Impacts on Marine Organisms: For the Sustainable Quality of Human Society Dependent on Marine Environment" (2012)
Name of Proceedings : Book of Abstracts, 17
Use of hypoxia inducible factor as a biomarker of exposure to hypoxia for megabenthos in Tokyo Bay, JAPAN

Presenter : Kodama K., Rahman Md. S., Horiguchi T., Thomas P.
Name of Society : 4th Bilateral Seminar Italy〜Japan Physical and Chemical Impacts on Marine Organisms 〜For Conservation of Biodiversity and Sustainability〜 (2010)
Name of Proceedings : Abstracts, 12
Exploration of causal factors affecting change in stock size of megabenthos in Tokyo Bay, Japan: Community and population-level approach

Presenter : Kodama K., Horiguchi T., Oyama M., Lee J-H., Akaba Y., Tajima Y., Kume G., Yamaguchi A., Takao Y., Shibata Y., Shiraishi H., Morita M., Shimizu M.
Name of Society : 3rd Bilateral Semin.Italy-Jpn.Chem.Impacts Mar.Org.-Seeking Sustainability Postgenomics- (2008)
Name of Proceedings : Abstracts, 10-11

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KODAMA Keita

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