Global Ecology and Oceanography of Harmful Algal Blooms , Contributor, Springer, Apr. 2018, Overview of Harmful Algal Blooms in Asia,  

Coastal Marine Sciecne in Southeast Asia , , Terrapub, 2011, Ecology and oceanography of harmful marine microalgae (Project 2),  

Introduction for Fisheries and Aquatic Biology , , Introduction for Fisheries and Aquatic Biology, 2011, Aquatic environment,  

Global Ecology and Oceanography of Harmful Algal Blooms: Harmful Algal Blooms in Asia , Joint Work, IOC and SCOR, 2010, ,  

Global Environmental Outlook Year Book 2005/2006 , Contributor, United Nation Environmental Programme (UNEP), 2006, Fish and shellfish farming in marine ecosystems,  

Determining environmental carrying capacity of coastal and marine areas: Progress, constraints, and future options , Contributor, IMO-PEMSEA, 2003, Environmental carrying capacity in an aquaculture ground of seaweed and shellfish in Northern Japan,  

Biogeochemical Processes and Ocean Flux in the western Pacific , Contributor, Terra Sci. Publ., 1995, Effects of a seamount on phytoplankton production in the western Pacific Ocean,  

Red Tides: Biology, Environmental Science, and Toxicology , Contributor, Elsevier, 1988, Species-specific photosynthesis of red tide phytoplankton in Tokyo Bay,  

Global oceanic diazotroph database version 2 and elevated estimate of global oceanic N₂ fixation , Earth System Science Data, 15( 8), 3673- 3709, Aug. 15, 2023, https://doi.org/10.5194/essd-15-3673-2023 

Coexistence of Dominant Marine Phytoplankton Sustained by Nutrient Specialization , Microbiology Spectrum, 11( 4),  , Jul. 17, 2023, https://doi.org/10.1128/spectrum.04000-22 

East‐west variabilities of N ₂ fixation activity in the subtropical North Pacific Ocean in summer: Potential field evidence of the phosphorus and iron co‐limitation in the western area , Journal of Geophysical Research: Oceans, 128( 6), e2022JC019249- , May. 26, 2023, https://doi.org/10.1029/2022jc019249 

Temperature as a factor controlling geographical distribution of green Noctiluca scintillans in Southeast Asia , Journal of Plankton Research, 45( 3), 478- 484, May. 14, 2023, https://doi.org/10.1093/plankt/fbad015 

High productivity of fucoxanthin and eicosapentaenoic acid in a marine diatom Chaetoceros gracilis by perfusion culture under high irradiance , Algal Research, 72,  103123- 103123, May. 2023, https://doi.org/10.1016/j.algal.2023.103123 

Free ammonia tolerance of cyanobacteria depends on intracellular pH , Biocatalysis and Agricultural Biotechnology, 47,  102562- 102562, Jan. 2023, https://doi.org/10.1016/j.bcab.2022.102562 

Bioprospecting of tropical microalgae for high-value products: n-3 polyunsaturated fatty acids and carotenoids , Aquaculture Reports, 27,  101406- 101406, Dec. 2022, https://doi.org/10.1016/j.aqrep.2022.101406 

Relative depths of the subsurface peaks of phytoplankton abundance conserved over ocean provinces , Limnology and Oceanography, ,   , Sep. 20, 2022, https://doi.org/10.1002/lno.12222 

Crocosphaera as a Major Consumer of Fixed Nitrogen , Microbiology Spectrum, ,   , Jun. 30, 2022, https://doi.org/10.1128/spectrum.02177-21 

A Survey of Case Studies and Recommendations for the Utilization of Satellite Oceanographic Data , Journal of The Remote Sensing Society of Japan, 42( 2), 135- 142, May. 2022, https://doi.org/10.11440/rssj.42.135 

Regionally variable responses of nitrogen fixation to iron and phosphorus enrichment in the Pacific Ocean , Journal of Geophysical Research: Biogeosciences, 126( 9), e2021JG006542- , Aug. 30, 2021, https://doi.org/10.1029/2021jg006542 

Nanomolar phosphate supply and its recycling drive net community production in the subtropical North Pacific , Nature Communications, 12( 1), 3462- , Jun. 2021, https://doi.org/10.1038/s41467-021-23837-y 

Cross-basin differences in the nutrient assimilation characteristics of induced phytoplankton blooms in the subtropical Pacific waters , Biogeosciences, 18( 3), 897- 915, Feb. 2021, https://doi.org/10.5194/bg-18-897-2021 

Longitudinal and Vertical Variations of Dissolved Labile Phosphoric Monoesters and Diesters in the Subtropical North Pacific , Frontiers in Microbiology, 11,   , Jan. 2021, https://doi.org/10.3389/fmicb.2020.570081 

Phosphate diester utilization by marine diazotrophs Trichodesmium erythraeum and Crocosphaera watsonii , Aquatic Microbial Ecology, 85,  211- 218, Dec. 17, 2020, https://doi.org/10.3354/ame01951 

High Productivity of Eicosapentaenoic Acid and Fucoxanthin by a Marine Diatom Chaetoceros gracilis in a Semi-Continuous Culture , Frontiers in Bioengineering and Biotechnology, 8,  602721- 602721, Dec. 11, 2020, https://doi.org/10.3389/fbioe.2020.602721 

Primary production and nitrogen assimilation rates from bay to offshore waters in the oyashio-kuroshio-Tsugaru Warm Current interfrontal region of the northwestern north Pacific Ocean , Deep Sea Research Part I: Oceanographic Research Papers, 164,  103304- 103304, Oct. 2020, https://doi.org/10.1016/j.dsr.2020.103304 

Heterogeneous nitrogen fixation rates confer energetic advantage and expanded ecological niche of unicellular diazotroph populations , COMMUNICATIONS BIOLOGY, 3( 1), 172- , 2020, https://doi.org/10.1038/s42003-020-0894-4 

Bioprospecting of indigenous marine microalgae with ammonium tolerance from aquaculture ponds for microalgae cultivation with ammonium-rich wastewaters , Journal of Biotechnology, 323,  113- 120, 2020, https://doi.org/10.1016/j.jbiotec.2020.08.001 

Biogeochemical controls of particulate phosphorus distribution across the oligotrophic subtropical Pacific Ocean , Global Biogeochemical Cycles, 34( 9), e2020GB006669- , 2020, https://doi.org/10.1029/2020gb006669 

Primary production, an index of climate change in the ocean: satellite-based estimates over two decades , Remote Sensing, 12( 5), 826- 826, 2020, https://doi.org/10.3390/rs12050826 

Isolation of lipid-rich marine microalgae by flow cytometric screening with Nile Red staining , Aquaculture International, 27( 2), 509- 518, Apr. 2019, https://doi.org/10.1007/s10499-019-00344-y 

Basin-Scale Variations in Labile Dissolved Phosphoric Monoesters and Diesters in the Central North Pacific Ocean , Journal of Geophysical Research: Oceans, 124( 5), 3058- 3072, 2019, https://doi.org/10.1029/2018JC014763 

Exploring the effect of psychometric variables on willingness to pay for marine ecosystem services: A survey in Japan , Ecosystem Services, 35,  130- 138, 2019,  

Biogeochemical controls of surface ocean phosphate , Science Advances, 5( 8), eaax0341- , 2019, https://doi.org/10.1126/sciadv.aax0341 

Marine Ecosystem Services: Perception of Residents from Remote Islands, Taketomi Town , Oceanography Challenges to Future Earth, ,  305- 312, 2019, https://doi.org/10.1007/978-3-030-00138-4_24 

Effects of container size, density, and incubation period on ammonium excretion rate measurements of planktonic copepods: Validation with a highly sensitive analytical method , Plankton and Benthos Research, 14( 2), 62- 70, 2019, https://doi.org/10.3800/pbr.14.62 

Stable isotopic evidence for the differential contribution of diazotrophs to the epipelagic grazing food chain in the mid-Pacific Ocean , Global Ecology and Biogeography, 27( 12), 1467- 1480, Dec. 2018, https://doi.org/10.1111/geb.12823 

Growth characteristics of shade-acclimated marine Chlorella vulgaris under high-cell-density conditions , Journal of Environmental Biology, 39( 5), 747- 753, Sep. 2018, https://doi.org/10.22438/jeb/39/5(SI)/3 

Basin-scale distribution of NH4 + and NO2 − in the Pacific Ocean , Journal of Oceanography, 74( 1), 1- 11, Feb. 1, 2018, https://doi.org/10.1007/s10872-017-0433-1 

Linkage between dinitrogen fixation and primary production in the oligotrophic South Pacific Ocean , Global Biogeochemical Cycles, 32( 7), 1028- 1044, 2018, https://doi.org/10.1029/2017GB005869 

Phytoplankton community structure, as derived from pigment signatures, in the Kuroshio Extension and adjacent regions in winter and spring , JOURNAL OF OCEANOGRAPHY, 73( 4), 463- 478, Aug. 2017, https://doi.org/10.1007/s10872-017-0415-3 

Sea-to-air flux of dimethyl sulfide in the South and North Pacific Ocean as measured by proton transfer reaction-mass spectrometry coupled with the gradient flux technique , JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 122( 13), 7216- 7231, Jul. 2017, https://doi.org/10.1002/2017JD026527 

Utilization of ammonium by the hydrocarbon-producing microalga, Botryococcus braunii Showa , ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS, 25,  445- 451, Jul. 2017, https://doi.org/10.1016/j.algal.2017.06.007 

Basin scale variability of active diazotrophs and nitrogen fixation in the North Pacific, from the tropics to the subarctic Bering Sea , GLOBAL BIOGEOCHEMICAL CYCLES, 31( 6), 996- 1009, Jun. 2017, https://doi.org/10.1002/2017GB005681 

Comparison of community structures between particle-associated and free-living prokaryotes in tropical and subtropical Pacific Ocean surface waters , JOURNAL OF OCEANOGRAPHY, 73( 3), 383- 395, Jun. 2017, https://doi.org/10.1007/s10872-016-0410-0 

Sea-to-air flux of dimethyl sulfide in the South and North Pacific Ocean as measured by proton transfer reaction-mass spectrometry coupled with the gradient flux technique , Journal of Geophysical Research, 122( 13), 7216- 7231, 2017, https://doi.org/10.1002/2017JD026527 

Local and regional experiences with assessing and fostering ocean health , MARINE POLICY, 71,  54- 59, Sep. 2016, https://doi.org/10.1016/j.marpol.2016.05.011 

Nitrification and its influence on biogeochemical cycles from the equatorial Pacific to the Arctic Ocean , ISME JOURNAL, 10( 9), 2184- 2197, Sep. 2016, https://doi.org/10.1038/ismej.2016.18 

Phosphate release due to excess alkaline phosphatase activity in Trichodesmium erythraeum , Plankton and Benthos Research, 11( 1), 29- 36, Feb. 22, 2016, https://doi.org/10.3800/pbr.11.29 

Liquid waveguide spectrophotometric measurement of nanomolar ammonium in seawater based on the indophenol reaction with o-phenylphenol (OPP) , TALANTA, 143,  374- 380, Oct. 2015, https://doi.org/10.1016/j.talanta.2015.05.007 

In situ observations of a doliolid bloom in a warm water filament using a video plankton recorder: Bloom development, fate, and effect on biogeochemical cycles and planktonic food webs , Limnology and Oceanography, 60( 5), 1763- 1780, Sep. 1, 2015, https://doi.org/10.1002/lno.10133 

In situ observations of a doliolid bloom in a warm water filament using a video plankton recorder: Bloom development, fate, and effect on biogeochemical cycles and planktonic food webs , LIMNOLOGY AND OCEANOGRAPHY, 60( 5), 1763- 1780, Sep. 2015, https://doi.org/10.1002/lno.10133 

Effects of ethanol-preservation on stable carbon and nitrogen isotopic signatures in marine predators , Plankton and Benthos Research, 10( 2), 91- 97, Jun. 13, 2015, https://doi.org/10.3800/pbr.10.91 

Nitrogen isotope ratios of nitrate and N* anomalies in the subtropical South Pacific , GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS, 16( 5), 1439- 1448, May. 2015, https://doi.org/10.1002/2014GC005678 

The effects of diel cycles and temperature on size distributions of pico- and nanophytoplankton in the subtropical and tropical Pacific Ocean , Plankton and Benthos Research, 10( 1), 26- 33, Mar. 20, 2015, https://doi.org/10.3800/pbr.10.26 

Physiological ecology of marine phytoplankton and their role in material cycling , Umi no Kenkyu (Oceanography in Japan), 24( 2), 63- 76, Mar. 2015,  

A highly sensitive and large concentration range colorimetric continuous flow analysis for ammonium concentration , JOURNAL OF OCEANOGRAPHY, 71( 1), 65- 75, Feb. 2015, https://doi.org/10.1007/s10872-014-0260-6 

Size-fractionated primary production in the Kuroshio Extension and adjacent regions in spring , JOURNAL OF OCEANOGRAPHY, 71( 1), 27- 40, Feb. 2015, https://doi.org/10.1007/s10872-014-0258-0 

Willingness to pay for ecosystem services of open oceans by choice-based conjoint analysis: A case study of Japanese residents , OCEAN & COASTAL MANAGEMENT, 103,  1- 8, Jan. 2015, https://doi.org/10.1016/j.ocecoaman.2014.10.016 

A new simplified method for the measurement of water-leaving radiance , La mer, 53( 1), 29- 39, 2015,  

Why is Trichodesmium abundant in the Kuroshio? , BIOGEOSCIENCES, 12( 23), 6931- 6943, 2015, https://doi.org/10.5194/bg-12-6931-2015 

Nitrogen fixation and the diazotroph community in the temperate coastal region of the northwestern North Pacific , BIOGEOSCIENCES, 12( 15), 4751- 4764, 2015, https://doi.org/10.5194/bg-12-4751-2015 

Surface and middle layer enrichment of dissolved copper in the western subarctic North Pacific , La mer, 53( 1), 1- 18, 2015,  

Heterotrophic bacteria as major nitrogen fixers in the euphotic zone of the Indian Ocean , GLOBAL BIOGEOCHEMICAL CYCLES, 28( 10), 1096- 1110, Oct. 2014, https://doi.org/10.1002/2014GB004886 

Paradigms of sustainable ocean management , MARINE POLICY, 48,  206- 211, Sep. 2014, https://doi.org/10.1016/j.marpol.2014.03.021 

Selective depressions of surface silicic acid within cyclonic mesoscale eddies in the oligotrophic western North Pacific , DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS, 90,  115- 124, Aug. 2014, https://doi.org/10.1016/j.dsr.2014.05.004 

Seasonal variations of unicellular diazotroph groups A and B, and Trichodesmium in the northern South China Sea and neighboring upstream Kuroshio Current , CONTINENTAL SHELF RESEARCH, 80,  20- 31, Jun. 2014, https://doi.org/10.1016/j.csr.2014.02.015 

Human utility of marine ecosystem services and behavioural intentions for marine conservation in Japan , MARINE POLICY, 46,  53- 60, May. 2014, https://doi.org/10.1016/j.marpol.2013.12.015 

Large-scale impact of the island mass effect through nitrogen fixation in the western South Pacific Ocean , GEOPHYSICAL RESEARCH LETTERS, 41( 8), 2907- 2913, Apr. 2014, https://doi.org/10.1002/2014GL059835 

Regional variability of factors controlling the onset timing and magnitude of spring algal blooms in the northwestern North Pacific , JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS, 119( 1), 253- 265, Jan. 2014, https://doi.org/10.1002/2013JC009187 

Regional variability of factors controlling the onset timing and magnitude of spring algal blooms in the northwestern North Pacific , Journal of Geophysical Research: Oceans, 119( 1), 253- 265, 2014, https://doi.org/10.1002/2013JC009187 

Categorization and value of marine ecosystem services by randomly selected Japanese citizens: A socio-psychological approach , Marine Policy, 46,  53- 60, 2014,  

Variability in nitrogen sources for new production in the vicinity of the shelf edge of the East China Sea in summer , CONTINENTAL SHELF RESEARCH, 61-62,  23- 30, Jul. 2013, https://doi.org/10.1016/j.csr.2013.04.014 

Growth stimulation and inhibition of natural phytoplankton communities by model organic ligands in the western subarctic Pacific , JOURNAL OF OCEANOGRAPHY, 69( 1), 97- 115, Feb. 2013, https://doi.org/10.1007/s10872-012-0160-6 

Advective transport of diazotrophs and importance of their nitrogen fixation on new and primary production in the western Pacific warm pool , LIMNOLOGY AND OCEANOGRAPHY, 58( 1), 49- 60, Jan. 2013, https://doi.org/10.4319/lo.2013.58.1.0049 

Ammonium uptake and dinitrogen fixation by the unicellular nanocyanobacterium crocosphaera watsonii in nitrogen-limited continuous cultures , Limnology and Oceanography, 58( 6), 2029- 2036, 2013, https://doi.org/10.4319/lo.2013.58.6.2029 

Distinct trends in dissolved Fe speciation between shallow and deep waters in the Pacific Ocean , MARINE CHEMISTRY, 134,  18- 28, Apr. 2012, https://doi.org/10.1016/j.marchem.2012.03.002 

Database of diazotrophs in global ocean: abundance, biomass and nitrogen fixation rates , EARTH SYSTEM SCIENCE DATA, 4( 1), 47- 73, 2012, https://doi.org/10.5194/essd-4-47-2012 

Effect of salinity on vertical migration of green Noctiluca under laboratory conditions , Coastal Marine Science, 35( 1), 70- 72, 2012,  

Variations in phytoplankton dynamics and primary production associated with ENSO cycle in the western and central equatorial Pacific during 1994-2003 , JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS, 116,  C12042- , Dec. 2011, https://doi.org/10.1029/2010JC006845 

Imbalance between vertical nitrate flux and nitrate assimilation on a continental shelf: Implications of nitrification , JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS, 116,  C10031- , Oct. 2011, https://doi.org/10.1029/2010JC006934 

Occurrence of rain-origin nitrate patches at the nutrient-depleted surface in the East China Sea and the Philippine Sea during summer , JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS, 116,  C08003- , Aug. 2011, https://doi.org/10.1029/2010JC006814 

Geographical distribution of red and green Noctiluca scintillans , CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY, 29( 4), 807- 831, Jul. 2011, https://doi.org/10.1007/s00343-011-0510-z 

Imbalance between vertical nitrate flux and nitrate assimilation on a continental shelf: Implications of nitrification , Journal of Geophysical Research: Oceans, 116( 10),  , 2011, https://doi.org/10.1029/2010JC006934 

Occurrence of rain-origin nitrate patches at the nutrient-depleted surface in the East China Sea and the Philippine Sea during summer , Journal of Geophysical Research: Oceans, 116( 8),  , 2011, https://doi.org/10.1029/2010JC006814 

Variations in phytoplankton dynamics and primary production associated with ENSO cycle in the western and central equatorial Pacific during 1994-2003 , Journal of Geophysical Research: Oceans, 116( 12),  , 2011, https://doi.org/10.1029/2010JC006845 

Lagrangian observation of phytoplankton dynamics at an artificially enriched subsurface water in Sagami Bay, Japan , JOURNAL OF OCEANOGRAPHY, 66( 6), 801- 813, Dec. 2010, https://doi.org/10.1007/s10872-010-0065-1 

Pico- and nanophytoplankton dynamics during the decline phase of the spring bloom in the Oyashio region , DEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY, 57( 17-18), 1643- 1652, Sep. 2010, https://doi.org/10.1016/j.dsr2.2010.03.008 

Mesoscale decrease of surface phosphate and associated phytoplankton dynamics in the vicinity of the subtropical South Pacific islands , DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS, 57( 3), 338- 350, Mar. 2010, https://doi.org/10.1016/j.dsr.2009.12.005 

New estimation of N-2 fixation in the western and central Pacific Ocean and its marginal seas , GLOBAL BIOGEOCHEMICAL CYCLES, 24,  GB1015- , Mar. 2010, https://doi.org/10.1029/2009GB003620 

Distribution of nano-sized Cyanobacteria in the western and central Pacific Ocean , AQUATIC MICROBIAL ECOLOGY, 59( 3), 273- 282, 2010, https://doi.org/10.3354/ame01397 

Responses of pico- and nanophytoplankton to artificial iron infusions observed during the second iron enrichment experiment in the western subarctic Pacific (SEEDS II) , DEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY, 56( 26), 2745- 2754, Dec. 2009, https://doi.org/10.1016/j.dsr2.2009.06.002 

Detecting Red Tides in the Eastern Seto Inland Sea with Satellite Ocean Color Imagery , JOURNAL OF OCEANOGRAPHY, 65( 5), 647- 656, Oct. 2009, https://doi.org/10.1007/s10872-009-0055-3 

Emergence of new research and education avenues from fisheries research stations , NIPPON SUISAN GAKKAISHI, 75( 5), 897- 897, Sep. 2009,  

Evaluation of new production in the tropical and subtropical oligotrophic ocean , Umi no Kenkyu (Oceanography in Japan), 18( 3), 213- 242, May. 2009,  

Influence of non-photosynthetic pigments on light absorption and quantum yield of photosynthesis in the western equatorial Pacific and the Subarctic North Pacific , JOURNAL OF OCEANOGRAPHY, 65( 2), 245- 258, Apr. 2009, https://doi.org/10.1007/s10872-009-0023-y 

Latitudinal distribution of diazotrophs and their nitrogen fixation in the tropical and subtropical western North Pacific , LIMNOLOGY AND OCEANOGRAPHY, 54( 2), 537- 547, Mar. 2009,  

Macro-scale exhaustion of surface phosphate by dinitrogen fixation in the western North Pacific , GEOPHYSICAL RESEARCH LETTERS, 36,  L03610- , Feb. 2009, https://doi.org/10.1029/2008GL036866 

Contribution of N-2 fixation to new production in the western North Pacific Ocean along 155 degrees E , MARINE ECOLOGY PROGRESS SERIES, 377,  19- 32, 2009, https://doi.org/10.3354/meps07837 

Phytoplankton dynamics associated with the monsoon in the Sulu Sea as revealed by pigment signature , JOURNAL OF OCEANOGRAPHY, 64( 5), 663- 673, Oct. 2008, https://doi.org/10.1007/s10872-008-0056-7 

Size fraction and class composition of phytoplankton in the Antarctic marginal ice zone along the 140°E meridian during February-March 2003 , Polar Science, 2( 2), 109- 120, Jun. 25, 2008, https://doi.org/10.1016/j.polar.2008.05.001 

Population dynamics of green Noctiluca scintillans (Dinophyceae) associated with the monsoon cycle in the upper Gulf of Thailand , JOURNAL OF PHYCOLOGY, 44( 3), 605- 615, Jun. 2008, https://doi.org/10.1111/j.1529-8817.2008.00516.x 

Ocean urea fertilization for carbon credits poses high ecological risks , MARINE POLLUTION BULLETIN, 56( 6), 1049- 1056, Jun. 2008, https://doi.org/10.1016/j.marpolbul.2008.03.010 

Organic iron(III) complexing ligands during an iron enrichment experiment in the western subarctic North Pacific , GEOPHYSICAL RESEARCH LETTERS, 35( 12), L12601- , Jun. 2008, https://doi.org/10.1029/2008GL033354 

Dinophysis (Dinophyceae) in the pelagic waters of central and western Pacific , La mer., 46( 1), 29- 36, May. 2008,  

Phytoplankton photosynthetic parameters and primary production in Japan Sea and the East China Sea: Toward improving primary production models , CONTINENTAL SHELF RESEARCH, 28( 7), 962- 976, Apr. 2008, https://doi.org/10.1016/j.csr.2008.01.016 

Temporal variation in phytoplankton composition related to water mass properties in the central part of Sagami Bay , JOURNAL OF OCEANOGRAPHY, 64( 1), 23- 37, Feb. 2008, https://doi.org/10.1007/s10872-008-0002-8 

Application of the size-fractionation method to simultaneous estimation of clearance rates by heterotrophic flagellates and ciliates of pico- and nanophytoplankton , JOURNAL OF EXPERIMENTAL MARINE BIOLOGY AND ECOLOGY, 349( 2), 334- 343, Oct. 2007, https://doi.org/10.1016/j.jembe.2007.05.027 

Spatial heterogeneity in photosynthesis-irradiance parameters of phytoplankton across a cyclonic eddy in the Antarctic Divergence zone along 140 degrees E , GEOPHYSICAL RESEARCH LETTERS, 34( 18), L18605- , Sep. 2007, https://doi.org/10.1029/2007GL030736 

Short-term covariation of dissolved oxygen and phytoplankton photosynthesis in a coastal fish aquaculture site , ESTUARINE COASTAL AND SHELF SCIENCE, 74( 3), 515- 527, Sep. 2007, https://doi.org/10.1016/j.ecss.2007.05.004 

Iron regeneration and organic iron(III)-binding ligand production during in situ zooplankton grazing experiment , MARINE CHEMISTRY, 106( 3-4), 471- 488, Aug. 2007, https://doi.org/10.1016/j.marchem.2007.05.001 

Monitoring of Primary Production in Aquaculture Areas(Symposium: New Perspectives of Oceanic Primary Productivity Research in Coastal Seas) , Bulletin on coastal oceanography, 45( 1), 11- 15, Aug. 2007,  

Kofoidinium, Spatulodinium and other kofoidiniaceans (Noctilucales, dinophyceae) in the pacific ocean , EUROPEAN JOURNAL OF PROTISTOLOGY, 43( 2), 115- 124, Jun. 2007, https://doi.org/10.1016/j.ejop.2006.12.002 

Distribution and speciation of dissolved iron in the Sulu Sea and its adjacent waters , DEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY, 54( 1-2), 60- 80, 2007, https://doi.org/10.1016/j.dsr2.2006.08.019 

Biological and chemical characteristics of high-chlorophyll, low-temperature water observed near the Sulu Archipelago , DEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY, 54( 1-2), 81- 102, 2007, https://doi.org/10.1016/j.dsr2.2006.08.020 

メタン資化細菌を利用した揮発性有機塩素化合物汚染のバイオレメディエーション , 地質汚染－医療地質－社会地質学会誌, 2( 4), 98- 109, 2007,  

Effects of long-term sample preservation on flow cytometric analysis of natural populations of pico- and nanophytoplankton , JOURNAL OF OCEANOGRAPHY, 62( 6), 903- 908, Dec. 2006, https://doi.org/10.1007/s10872-006-0107-x 

Effects of diurnal variations in phytoplankton photosynthesis obtained from natural fluorescence , MARINE BIOLOGY, 150( 2), 299- 311, Nov. 2006, https://doi.org/10.1007/s00227-006-0331-3 

Vegetative growth of Noctiluca scintillans containing the endosymbiont Pedinomonas noctilucae , AFRICAN JOURNAL OF MARINE SCIENCE, 28( 2), 305- 308, Sep. 2006,  

Persistent whole-bay red tide of Noctiluca scintillans in Manila Bay, Philippines , Coastal marine science, 30( 1), 74- 79, Apr. 2006,  

Endosymbiosis in microalgae with special attention to Noctiluca scintillans , Bulletin of the Plankton Society of Japan, 53( 1), 14- 21, Feb. 2006,  

Photoautotrophic growth of Noctiluca scintillans with the endosymbiont Pedinomonas noctilucae , Plankton and Benthos Research, 1( 2), 97- 101, 2006, https://doi.org/10.3800/pbr.1.97 

Seasonal variations in cell abundance of Noctiluca scintillans in the coastal waters off Chonburi Province, the upper gulf of Thailand , Coastal Marine Science, 30( 1), 80- 84, 2006,  

Leptodiscaceans (Noctilucales, dinophyceae) from the Pacific Ocean: First records of Petalodinium and Leptodiscus beyond the Mediterranean Sea , EUROPEAN JOURNAL OF PROTISTOLOGY, 41( 3), 231- 239, Aug. 2005, https://doi.org/10.1016/j.ejop.2005.05.003 

In situ bioremediation of a cis-dichloroethylene-contaminated aquifer utilizing methane-rich groundwater from an uncontaminated aquifer , WATER RESEARCH, 39( 11), 2438- 2444, Jun. 2005, https://doi.org/10.1016/j.watres.2005.04.041 

Morphology of Brachidinium capitatum FJR Taylor (Brachidiniales, dinophyceae) collected from the western Pacific Ocean , CRYPTOGAMIE ALGOLOGIE, 26( 2), 165- 175, May. 2005,  

Distribution of the cyanobacterium Richelia intracellularis as an epiphyte of the diatom Chaetoceros compressus in the western Pacific Ocean , JOURNAL OF PLANKTON RESEARCH, 27( 4), 323- 330, Apr. 2005, https://doi.org/10.1093/plankt/fbi007 

Long-term Changes in Riverine Nutrient Loadings and Bottom-water Characteristics in the Main Basin of Hamana Bay , Bulletin on coastal oceanography, 42( 2), 141- 150, Feb. 2005,  

Is Karenia a synonym of Asterodinium-Brachidinium (Gymnodiniales, Dinophyceae)? , Acta Botanica Croatia, 64,  263- 274, 2005,  

Detecting red tides in the eastern Seto Inland Sea with satellite ocean color imagery , IGARSS 2005: IEEE International Geoscience and Remote Sensing Symposium, Vols 1-8, Proceedings, ,  1924- 1927, 2005,  

Effect of iron enrichment on the dynamics of transparent exopolymer particles in the western subarctic Pacific , PROGRESS IN OCEANOGRAPHY, 64( 2-4), 253- 261, 2005, https://doi.org/10.1016/j.pocean.2005.02.012 

Association of picophytoplankton distribution with ENSO events in the equatorial Pacific between 145 degrees E and 160 degrees W , DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS, 51( 12), 1851- 1871, Dec. 2004, https://doi.org/10.1016/j.dsr.2004.07.015 

The role of diatom resting stages in the onset of the spring bloom in the East China Sea , MARINE BIOLOGY, 145( 3), 633- 639, Sep. 2004, https://doi.org/10.1007/s00227-004-1331-9 

Functional roles of the transverse and longitudinal flagella in the swimming motility of Prorocentrum minimum (Dinophyceae) , JOURNAL OF EXPERIMENTAL BIOLOGY, 207( 17), 3055- 3066, Aug. 2004, https://doi.org/10.1242/jeb.01141 

Observations on Ceratoperidinium (Dinophyceae) , PHYCOLOGIA, 43( 4), 416- 421, Jul. 2004,  

Natural groundwater of a gas field utilizable for a bioremediation of trichloroethylene-contamination , ENVIRONMENTAL GEOLOGY, 45( 7), 891- 898, May. 2004, https://doi.org/10.1007/s00254-003-0951-6 

New records of Scaphodinium mirabile (Dinophyceae), an unnoticed dinoflagellate in the Pacific Ocean , PHYCOLOGICAL RESEARCH, 52( 1), 13- 16, Mar. 2004, https://doi.org/10.1111/j.1440-1835.2003.00320.x 

Environmental carrying capacity in an aquaculture ground of seaweed and shellfish in Sanriku coast , Bulletin of FIsheries Research Agency Suppliment, 1,  65- 69, 2004,  

Long-term monitoring of primary production in coastal waters by an improved natural fluorescence method , MARINE ECOLOGY PROGRESS SERIES, 273,  17- 30, 2004,  

Morphology of Brachidinium capitatum F.J.R. Taylor (Brachidiniales, Dinophyceae) collected from the western Pacific Ocean , Cryptogamie Algologie, 25,  199- 209, 2004,  

Continuous monitoring of chlorophyll a and photosynthesis by natural fluorescence method in coastal waters , Marine Ecology Progress Series, 273,  17- 30, 2004,  

Phytoplankton dynamics in the East China Sea in spring and summer as revealed by HPLC-derived pigment signatures , DEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY, 50( 2), 367- 387, 2003, https://doi.org/10.1016/S0967-0645(02)00460-5 

Effect of aquaculture on material cycles in Otsuchi Bay, Japan , Otsuchi Marine Science, 28,  65- 70, 2003,  

Photosynthetic oxygen production and community respiration in the Indian sector of the Antarctic Ocean during austral summer , POLAR BIOLOGY, 25( 11), 859- 864, Nov. 2002,  

Seasonal variations in phytoplankton composition and transparent exopolymer particles in a eutrophicated coastal environment , AQUATIC MICROBIAL ECOLOGY, 30( 1), 69- 82, Nov. 2002,  

Measurement of phytoplankton photosynthetic activity using chlorophyll fluorescence , Bulletin of the Plankton Society of Japan, 49( 1), 27- 36, Feb. 2002,  

Rapid evaluation of photosynthetic activity of phytoplankton by pulse amplitude modulated (PAM) fluorescence in coastal waters , FISHERIES SCIENCE, 68( suppl.), 651- 652, 2002, https://doi.org/10.2331/fishsci.68.sup1_651 

Continuous monitoring of chlorophyll a and photosynthesis by natural fluorescence method in a coastal aquaculture ground , FISHERIES SCIENCE, 68( suppl.), 588- 591, 2002, https://doi.org/10.2331/fishsci.68.sup1_588 

Evaluation of biological productivity of lower trophic levels and carrying capacity of aquaculture areas , FISHERIES SCIENCE, 68( suppl.), 542- 545, 2002,  

Primary production in Otsuchi Bay, Japan , Proceedings of UNU-Iwate-UNESCO Joint International Conference Conserving Our Coastal Environment, ,  17- 21, 2002,  

Phytoplankton blooms and associated variations in transparent exopolymer particles in Tokyo Bay , FISHERIES SCIENCE, 68( suppl.), 592- 595, 2002,  

Measurement of the Absorption Coefficient of Seawater , 海の研究 = Umi no Kenkyu (Oceanography in Japan), 10( 6), 537- 559, Nov. 1, 2001, https://doi.org/10.5928/kaiyou.10.537 

Measurement of the Absorption Coefficient of Seawater , Umi no Kenkyu (Oceanography in Japan), 10( 6), 537- 559, Nov. 2001, https://doi.org/10.5928/kaiyou.10.537 

Active erosion of Undaria pinnatifida Suringar (Laminariales, Phaeophyceae) mass-cultured in otsuchi bay in northeastern Japan , JOURNAL OF EXPERIMENTAL MARINE BIOLOGY AND ECOLOGY, 266( 1), 51- 65, Nov. 2001, https://doi.org/10.1016/S0022-0981(01)00346-X 

A Protocol for Measuring the Absorption Coefficient of Phytoplankton using QFT(Quantitative Filter Technique)and a Submersible Spectrophotometer , Umi no Kenkyu (Oceanography in Japan), 10( 6), 471- 484, Nov. 2001, https://doi.org/10.5928/kaiyou.10.471 

Distribution of methanotrophs in trichloroethylene-contaminated aquifers in a natural gas field , GEOMICROBIOLOGY JOURNAL, 18( 4), 387- 399, Oct. 2001, https://doi.org/10.1080/014904501753210558 

Potential importance of diatom resting stage cells in the onset of bloom on the shelf of the East China Sea , Bulletin of the Plankton Society of Japan, 48( 2), 85- 94, Aug. 2001,  

Geographical expansion of harmful algal blooms and its possible cause , Bulletin of the Plankton Society of Japan, 48( 1), 51- 54, Feb. 20, 2001,  

Temporal variations in transparent exopolymer particles (TEP) associated with a diatom spring bloom in a subarctic ria in Japan , MARINE ECOLOGY PROGRESS SERIES, 212,  79- 88, 2001, https://doi.org/10.3354/meps212079 

Biogeochemical variation in dimethylsulfide, phytoplankton pigments and heterotrophic bacterial production in the subarctic North Pacific during summer , Journal of Oceanography, 57( 3), 315- 322, 2001, https://doi.org/10.1023/A:1012434613046 

Pigments and phytoplankton assessment in the Bangpakong Estuary in the inner Gulf of Thailand , Proceedings of the 11th JSPS-NRCT Joint Seminar on Marine Science, ,  22- 27, 2001,  

Spatial heterogeneity in distributions of chlorophyll a derivatives in the subarctic North Pacific during summer , Journal of Oceanography, 57( 3), 323- 331, 2001, https://doi.org/10.1023/A:1012486629884 

Distribution and seasonal variation of methanotrophs in trichloroethylene contaminated groundwater , WATER RESEARCH, 34( 15), 3717- 3724, Oct. 2000, https://doi.org/10.1016/S0043-1354(00)00141-X 

Size and species-specific primary productivity and community structure of phytoplankton in Tokyo Bay , JOURNAL OF PLANKTON RESEARCH, 22( 7), 1221- 1235, Jul. 2000,  

Studies on the absorption coefficient of phytoplankton-Discussion on the absorption protocol , Otsuchi marine science, 25,  43- 47, 2000,  

Pigment composition of Pedinomonas noctilucae (Pedinophyceae), an endosymbiont of the green Noctiluca (Dinophyceae) , La mer, 38( 2), 95- 97, 2000,  

Phototrophic pico-and nanoplankton in the microbial food web , Bulletin of the Plankton Society of Japan, 46( 1), 60- 66, Feb. 1999,  

Cell cycle and growth rate of a natural diatom population in a mesocosm , La mer, 37( 3), 111- 119, 1999,  

Well-developed subsurface chlorophyll maximum near Komahashi No. 2 Seamount in the summer of 1991 , DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS, 45( 10), 1595- 1607, Oct. 1998, https://doi.org/10.1016/S0967-0637(98)00031-4 

OCTS mission overview , Journal of Oceanography, 54( 5), 383- 399, Sep. 1998, https://doi.org/10.1007/bf02742442 

Primary Production in the East China Sea(Symposium: Material Cycling in the East China Sea-MASFLEX Program) , Bulletin on coastal oceanography, 36( 1), 19- 28, Aug. 1998,  

HPLC determination of phytoplankton pigments using N,N-dimethylformamide , Journal of Oceanography, 54( 2), 199- 203, 1998, https://doi.org/10.1007/BF02751695 

Calibration and validation of the ocean color version-3 product from ADEOS OCTS , Journal of Oceanography, 54( 5), 401- 416, 1998, https://doi.org/10.1007/BF02742443 

Spatial distribution of phytoplankton pigments during spring bloom in the East China Sea , Proceedings of the 8th JSPS-NRCT Joint Seminar on Marine Science, ,  193- 200, 1998,  

High-speed video observation of swimming behavior and flagellar motility of Prorocentrum minimum (Dinophyceae) , PROTOPLASMA, 204( 1-2), 38- 46, 1998,  

Primary production and community respiration in a warm streamer associated with Kuroshio Warm Core Ring in spring , Journal of Oceanography, 54( 5), 565- 572, 1998, https://doi.org/10.1007/BF02742458 

Photosynthesis-irradiance relationship of phytoplankton and primary production in the vicinity of Kuroshio Warm Core Ring in spring , Journal of Oceanography, 54( 5), 545- 552, 1998, https://doi.org/10.1007/BF02742456 

In-water algorithms for ADEOS/OCTS , Journal of Oceanography, 54( 5), 431- 436, 1998, https://doi.org/10.1007/BF02742445 

Distribution of phytoplankton in the East China sea in the winter of 1993 , Journal of Oceanography, 52( 3), 323- 333, 1996, https://doi.org/10.1007/BF02235927 

An automated precise Winkler titration for determining dissolved oxygen on board ship , Journal of Oceanography, 51( 3), 375- 383, May. 1995, https://doi.org/10.1007/BF02285173 

Primary production and community respiration in the subarctic water of the western North Pacific , Biogeochemical Processes and Ocean Flux in the Western Pacific, Editors: H. Sakai and Y. Nozaki, Terra Scientific Publishing Company (TERRAPUB), Tokyo, ,  239- 253, 1995,  

Primary production and community respiration in the East China Sea , Global Fluxes of Carbon and Its Related Substances in the Coastal Sea-Ocean-Atomosphere System, ,  84- 89, 1995,  

Distributions of phytoplankton communities in the East China Sea in winter , Global Fluxes of Carbon and Its Related Substances in the Coastal Sea-Ocean-Atomosphere System, ,  90- 94, 1995,  

Effects of a seamount on phytoplankton production in the western Pacific Ocean , Biogeochemical Processes and Ocean Flux in the Western Pacific, Editors: H. Sakai and Y. Nozaki, Terra Scientific Publishing Company (TERRAPUB), Tokyo, ,  255- 273, 1995,  

SUCCESSION OF PELAGIC ORGANISMS IN THE SIZE RANGE 0-CENTER-DOT-5-200 MU-M DURING A DIATOM BLOOM IN OTSUCHI BAY, JAPAN , ESTUARINE COASTAL AND SHELF SCIENCE, 39( 2), 173- 184, Aug. 1994, https://doi.org/10.1006/ecss.1994.1056 

Growth response of natural phytoplankton assemblages in artificially induced upwelling in Toyama Bay, Japan , Bulletin of Plankton Society of Japan, 40,  109- 125, 1994,  

Dynamics of phytoplankton populations around an experimental area of ocean thermal energy conversion in Toyama Bay, Japan , Global Environment and Friendly Energy Technology, ,  463- 467, 1994,  

Effect of artificial upwelling on primary production in Toyama Bay, Japan , Global Environment and Friendly Energy Technology, ,  458- 462, 1994,  

Improved Staining Method of DAPI for Evaluating DNA Content in Phytoplankton Nucleus , Bulletin of the Faculty of Bioresources, Mie University, 11,  145- 153, Dec. 1993,  

Simplified technique for the rapid determination of phytoplankton pigments by reverse-phase high-performance liquid chromatography , Journal of Oceanography, 49( 5), 571- 580, Sep. 1993, https://doi.org/10.1007/BF02237463 

Wind-dependent formation of phytoplankton spring bloom in Otsuchi Bay, a ria in Sanriku, Japan , Journal of Oceanography, 49( 4), 459- 475, Aug. 1993, https://doi.org/10.1007/BF02234960 

EVALUATION OF PHOTOSYNTHETIC CAPACITY IN PHYTOPLANKTON BY FLOW CYTOMETRIC ANALYSIS OF DCMU-ENHANCED CHLOROPHYLL FLUORESCENCE , MARINE ECOLOGY PROGRESS SERIES, 88( 2-3), 279- 287, Nov. 1992,  

SPECIES-SPECIFIC PRODUCTIVITY OF SKELETONEMA-COSTATUM (BACILLARIOPHYCEAE) IN THE INNER PART OF TOKYO BAY , MARINE ECOLOGY PROGRESS SERIES, 79( 3), 267- 273, Jan. 1992,  

SUBSURFACE CHLOROPHYLL MAXIMUM IN THE TROPICAL AND SUBTROPICAL WESTERN PACIFIC-OCEAN - VERTICAL PROFILES OF PHYTOPLANKTON BIOMASS AND ITS RELATIONSHIP WITH CHLOROPHYLL-A AND PARTICULATE ORGANIC-CARBON , MARINE BIOLOGY, 107( 3), 529- 539, 1990,  

Phytoplankton distribution in a frontal region of Tokyo Bay, Japan in November 1985 , Journal of the Oceanographical Society of Japan, 45( 5), 301- 309, Oct. 1989, https://doi.org/10.1007/BF02123484 

FEEDING OF MICROZOOPLANKTON AND MACROZOOPLANKTON AT THE SUBSURFACE CHLOROPHYLL MAXIMUM IN THE SUB-TROPICAL NORTH PACIFIC , JOURNAL OF EXPERIMENTAL MARINE BIOLOGY AND ECOLOGY, 132( 1), 41- 52, 1989,  

PHYTOPLANKTON IN THE SUBTROPICAL CONVERGENCE DURING THE AUSTRAL SUMMER - COMMUNITY STRUCTURE AND GROWTH-ACTIVITY , DEEP-SEA RESEARCH PART A-OCEANOGRAPHIC RESEARCH PAPERS, 33( 5), 621- 630, May. 1986,  

SUMMER PHYTOPLANKTON COMMUNITY STRUCTURE AND GROWTH IN A REGIONAL UPWELLING AREA OFF HACHIJO ISLAND, JAPAN , JOURNAL OF EXPERIMENTAL MARINE BIOLOGY AND ECOLOGY, 96( 1), 43- 55, Apr. 1986,  

Assessment of red tide phytoplankton standing stock using an image analyzer system , Colloque franco-japonais d’Océanographie, ( 13), 20- , 1986,  

Phytoplankton community in the Subtropical Convergence at 150˚E during the austral summer of 1983-84 (extended abstract) , Memoirs of National Institute of Polar Research, Special Issue, 40,  42- 43, 1986,  

Phytoplankton composition and abundance in a regional upwelling off Hachijo Island in August 1984 , Studies on Regional Upwellings in the Izu Island Area, Cruise Report Series, ( 1), 73- 81, 1986,  

THE STRUCTURE OF THE PHYTOPLANKTON COMMUNITY IN THE SUBSURFACE CHLOROPHYLL MAXIMA IN THE WESTERN NORTH PACIFIC-OCEAN , JOURNAL OF PLANKTON RESEARCH, 5( 3), 393- 406, 1983,  

Size distribution of phytoplankton in the western Pacific Ocean and adjacent waters in summer , Bulletin of Plankton Society of Japan, 30,  21- 32, 1983,  

Measurement of phytoplankton standing stock using an image analyzer system , Bulletin of Plankton Society of Japan, 29,  131- 162, 1982,  

HORIZONTAL DISTRIBUTIONS OF SURFACE CHLOROPHYLL -ALPHA AND NITROGENOUS NUTRIENTS NEAR BERING STRAIT AND UNIMAK PASS , DEEP-SEA RESEARCH PART A-OCEANOGRAPHIC RESEARCH PAPERS, 29( 2), 149- 155, 1982, https://doi.org/10.1016/0198-0149(82)90105-4 

Upwelling plumes in Sagami Bay and adjacent water around the Izu Islands, Japan , Journal of oceanographical Society of Japan, 36,  209- 216, 1980, https://doi.org/10.1007/BF02070334 

Seasonal variation in the abundance and ecological role of Noctiluca scintillans on the coastal ecosystem in the Seto Inland Sea, Japan , Proceedings of International Symposium on Long-term Variations in the Coastal Environments and Ecosystems, ,  153- 159,  ,  

High-density culture of a marine haptophyte Isochrysis galbana based on improved ammonia feeding method , 日本水環境学会年会講演集, 56th,   , 2022 

マレーシア沿岸から単離された強アンモニア耐性を有する海産緑藻Chlorella vulgaris , 日本ベントス学会・日本プランクトン学会合同大会講演要旨集, 2018,  120- , 2018 

Foreword , Agricultural Implications of the Fukushima Nuclear Accident: The First Three Years, ,  v- vi, Jan. 1, 2016 

海洋生態系サービスの認識の違い:5都府県アンケートによる考察 , 日本水産学会大会講演要旨集, 2015,  157- , Mar. 27, 2015 

北太平洋の新生産における硝化の影響とアンモニア酸化細菌・古細菌の動態 , 日本海洋学会大会講演要旨集, 2015,  221- , Mar. 2015 

Keynote Lecture-2. Fisheries science in the age of global environmental change , Nippon Suisan Gakkaishi (Japanese Edition), 80( 1), 84- 85, 2014 

冬春季黒潮続流域における植物プランクトン群集動態 , 日本海洋学会大会講演要旨集, 2013,  233- , Aug. 30, 2013 

冬春季の黒潮・黒潮続流域におけるサイズ別基礎生産速度 , 日本海洋学会大会講演要旨集, 2013,  160- , Mar. 11, 2013 

黒潮続流及びその周辺域における春季ブルームの分布要因 , 日本海洋学会大会講演要旨集, 2012,  202- , Mar. 13, 2012 

黒潮続流域における窒素存在形態の空間・季節変動 , 日本海洋学会大会講演要旨集, 2011,  169- , Sep. 1, 2011 

Message from the new president , 日本プランクトン学会報, 58( 2), 121- 121, Aug. 26, 2011 

春季黒潮続流域の表層植物プランクトン群集動態 , 日本海洋学会大会講演要旨集, 2011,  120- , Mar. 14, 2011 

黒潮続流域における春季の窒素動態 , 日本海洋学会大会講演要旨集, 2011,  180- , Mar. 14, 2011 

HPLC色素,検鏡,および海色衛星リモートセンシングによる南大洋における珪藻優占度の評価 , 日本海洋学会大会講演要旨集, 2011,  134- , Mar. 14, 2011 

Phytoplankton dynamics during a melting period of sea ice in the Ross Sea, Antarctica , 水産海洋研究, 74( 1), 36- 37, Feb. 1, 2010 

Evaluation of new production in the tropical and subtropical oligotrophic ocean , Oceanography in Japan, 18( 3), 213- 242, May. 5, 2009 

Influence of phytoplankton photosynthesis on dissolved oxygen dynamics in a fish culturing area , Kaiyo monthly, 41( 4), 206- 212, Apr. 2009 

Ecosystem service in the sea , Nippon Suisan Gakkaishi (Japanese Edition), 75( 1), 90- 92, 2009 

Spatial heterogeneity in distributions of chlorophyll a derivatives in the subarctic North Pacific during summer , , 11( 2), 364- 364, Mar. 5, 2002 

Biogeochemical variation in dimethylsulfide, phytoplankton pigments and heterotrophic bacterial production in the subarctic North Pacific during summer , , 11( 2), 364- 364, Mar. 5, 2002 

Biogeochemical variation in dimethylsulfide, phytoplankton pigments and heterotrophic bacterial production in the subarctic North Pacific during summer , Umi no Kenkyu (Oceanography in Japan), 11( 2),  , Mar. 2002 

Spatial heterogeneity in distributions of chlorophyll a derivatives in the subarctic North Pacific during summer , Umi no Kenkyu (Oceanography in Japan), 11( 2),  , Mar. 2002 

A Protocol for Measuring the Absorption Coefficient of Phytoplankton using QFT(Quantitative Filter Technique)and a Submersible Spectrophotometer , , 10( 6), 471- 484, Nov. 1, 2001 

Primary production in the East China Sea , Bull. Coastal. Oceanogr., 39,  57- 67, 1998 

A Summary of "Time Phenomena and Chemical Flux in the Coastal Environment"(Symposium: Time Phenomena and Chemical Flux in the Coastal Environment) , 沿岸海洋研究ノート, 30( 2), 137- 138, Feb. 28, 1993 

Characteristics of organic particles collected by sediment trap in the Antarctic Ocean(abstract) , Memoirs of National Institute of Polar Research. Special issue, 40,  395- 395, Feb. 1986 

SUBSURFACE CHLOROPHYLL MAXIMA IN THE WESTERN PACIFIC-OCEAN , BULLETIN OF MARINE SCIENCE, 37( 2), 764- 765, Sep. 1985 

Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Physiological ecology of Noctiluca having phototrophic endosymbiont, ,  Jun. 2018 - Mar. 2023 

Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, New Ocean Paradigm on Its Biogeochemistry, Ecosystem and Sustainable Use, ,  Apr. 2017 - Mar. 2018 

Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Valuation of marine ecosystem services of controversial sea by residents in stakeholder countries, ,  Apr. 2015 - Mar. 2018 

Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, New Ocean Paradigm on Its Biogeochemistry, Ecosystem and Sustainable Use, ,  Jun. 2012 - Mar. 2017 

Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Elucidation of the key processes of carbon and nitrogen cycles, ,  Jun. 2012 - Mar. 2017 

Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, New Ocean Paradigm on Its Biogeochemistry, Ecosystem and Sustainable Use, ,  Jun. 2012 - Mar. 2017 

Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Reconstruction of extractive aquaculture in Sanriku area, ,  Apr. 2012 - Mar. 2015 

Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Balanced ecosystem approach for polycultures in Sanriku ria coast, ,  2009 - 2011 

Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Optimization of polyculture in Sanriku ria coasts based on comparative coastal oceanography, ,  2006 - 2008 

Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Studies on occurrence and expansion mechanisms of toxic dinoflagellates in the South East Asian Countries, ,  2006 - 2008 

Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, The balance between biogenic silica production and its dissolution in the surface ocean, ,  2005 - 2007 

Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Study on the mechanisms of blooming and geographical expansion of toxic dinoflagellates in Southeast Asian waters, ,  2003 - 2005 

Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Research on current status of shrimp culture industries and coastal environment in Thailand, ,  2003 - 2006 

Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Research on Coastal Environmental Conservation, ,  2003 - 2005 

Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Development of integrated aquaculture in Sanriku coastal waters based on evaluation of environmental carrying capacity, ,  2003 - 2005 

Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Machanism of iron regulation on amnesic neurontoxin production by coastal diatoms, ,  2002 - 2003 

Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Monitoring of marine primary production in the marginal seas, ,  1999 - 2002 

Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Physical, Chemical and Biological Studies on Monitoring of Marginal Seas for Pceam Fprecastomg, ,  1999 - 2002 

Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Evaluation of shellfish culture potential in coastal areas based on carrying capacity of waters, ,  1999 - 2001 

Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Taxonomic and ecological study of PSP causative small Alexandrium, ,  1998 - 2000 

Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Development of database on harmful plankton image and related publication on their ecophysiological characters, ,  1997 - 1999 

Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Studies on evaluation of carrying capacity of Sanriku coastal waters, ,  1997 - 1998 

Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Spreading Mechanism of Harmful Red Tides in WESTPAC Area, ,  1996 - 1998 

Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Mechamism of Aoshio formation, ,  1996 - 1997 

Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Physiological ecology of marine planktonic prochlorophytes, ,  1995 - 1996 

Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Studies on biological production on lower trophic levels in the vicinity of seamount and adjacent waters, ,  1992 - 1993 

Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Analysis of production processes of lower trophic levels in upwelling ecosystem, ,  1985 - 1986