Studying Chemistry in Okinawa!CurriculumFaculty

Hiroyuki Fujimura

1. Analytical Chemistry, Chemical Oceanography, Carbonate Chemistry

2. Name : Hiroyuki Fujimura

3. E-mail : fujimura@sci.u-ryukyu.ac.jp

4. Phone : +81-98-895-8528

5. Facsimile : +81-98-895-8565

6. Website :

7. Education :

1992: B.Sc. Chemistry, University of the Ryukyus, Okinawa

1994: M.Sc. Chemistry, University of the Ryukyus, Okinawa

2002: Ph.D. Chemistry, University of the Ryukyus, Okinawa

Professional Appointments :

1994-1998: Researcher, Okinawa Local Industry and Technology Promotion Association

2003 – 2004: Postdoctoral fellow, University of the Ryukyus, Faculty of Science

2006 – 2009: Assistant Professor, University of the Ryukyus, Faculty of Science, Department of Chemistry, Biology, and Marine Science

2009 – : Associate Professor, University of the Ryukyus, Faculty of Science, Department of Chemistry, Biology, and Marine Science

8. Research Interests :

Chemical pollutants in costal area and the effects on coral
(Keywords: Herbicide , Agrichemicals , effective concentration , distribution of costal area)

Antioxidase activity of coral under heat stress condition
(Keywords: Superoxide dismutase , Antioxidase activity , coral , Heat stress)

Vertical profiles of carbonate system and ocean acidification in east chaina sea
(Keywords: Cabonate system , Saturation degree of carbonate , ocean acidification , vertical profile)

Carbon metabolisms of photosynthesis and calcification in coral reef
(Keywords: Coral reef , Carbon cycling , Carbon dioxide , Photosyntheisi , Calcification)

9. Publications

(1) Fujimura, H., Oomori, T., Maehira, T.  and Miyahira, K. (2001) Change of Coral Carbon Metabolism Influenced by Coral Bleaching  Galaxea JCRS 3 41-50
(2) Fujimura, H.、Oomori, T., Kitada, Y. and Maehira, T. (2002) Carbon dioxide and air-sea CO2 flux in coral reef La mer 40 99-109 in Japasese with English abstract
(3) Nakajima, H., Okada, K., Fujimura, H., Arakaki T. and Tanahara A. (2004) Photochemical formation of peroxides in coastal seawater around Okinawa Island BUNSEKI KAGAKU 53 891-897 in Japasese with English abstract
(4) Okada, K., Nakajima H., Fujimura, H., Arakaki T., Tanahara A. and Oomori T. (2005) Photochemical Behavior of Fe(II) in Coastal Seawater around Okinawa Island by HPLC with a Ferrozine Reagent BUNSEKI KAGAKU 54 861-867 in Japasese with English abstract
(5) Arakaki, T., Fujimura, H., Hamdun, A.M., Okada, K., Kondo, H. and Oomori, T. (2005) Simultaneous Measurement of Hydrogen Peroxide and Fe(II) in the Seawater Collected in Okinawa Journal of Oceanography 65 561-568
(6) Fujimura, H., Oomori, T., Kochi, S., Prolla, T.A. and Someya, S.(2006) Synthesis of Protodolomite from Coral Reef Sand Food Chemistry 99 15-18
(7) Kitada, Y., Fujimura, H., Tokeshi, R. and Oomori, H.(2006) Air–sea CO2 flux and gas exchange coefficient at the Sesoko coral reefs, Okinawa, Japan Galaxea JCRS 8 51-60
(8) Ishikawa, Y.,Fujimura, H. and Suzuki, Y. (2007) Closed-chamber System for Primary Production of Benthic Communities in Sub-tropical Lagoon Eco-Engineering 19 173-177 in Japasese with English abstract
(9) Fujita, K. and Fujimur, H. (2008) Organic and inorganic carbon production  by algal symbiont-bearing foraminifera on northwest pacific coral-reef flats Journal of Foraminiferal Research 38 112-126
(10) Fujimura, H., Higuchi, T., Shiroma, K., Arakaki, T., Hamdun, A.M., Nakano, Y. and Oomori, T. (2008) Continuous-flow complete-mixing system for assessing the effects of environmental factors on colony-level coral metabolism Journal of Biochemical and Biophysical Methods 70 865-872 doi:10.1016/j.jprot.2008.01.014
(11) Imo, S.T., Sheikh, M.A., Sawano, K., Fujimura, H. and Oomori, T. (2008) Distribution and possible impacts of toxic organic pollutants on coral reef ecosystems around Okinawa Island, Japan Pacific Science 62 317-326
(12) Tanahara, A., Yamashiro, R., Miyazaki, M. and Fujimura, H. (2008) Formation Mechanism of Straw Stalactites Growing on Concrete Structure Journal of the Speleological Society of Japan 33 52-57
(13) Higuchi, T., Fujimura, H., Ikota, H., Arakaki, T. and Oomori, T. (2009) The effects of hydrogen peroxide on metabolism in the coral Goniastrea aspera Journal of Experimental Marine Biology and Ecology 370 48-55 doi:10.1016/j.jembe.2008.11.013.
(14) Higuchi, T., Fujimura, H., Arakaki, T. and Oomori, T. (2009) The synergistic effects of hydrogen peroxide and elevated seawater temperature on the metabolic activity of the coral Galaxea fascicularis Marine Biology 156 589-596 doi:10.1007/s00227-008-1110-0
(15) Higuchi, T., Fujimrua, H., Arakaki, T. and Oomori, T. (2009) Activity of antioxidant enzymes (SOD and CAT) in the coral Galaxea fascicularis against increased hydrogen peroxide concentration in seawater Proceedings of the 11th International Coral Reef Symposium 926-930
(16) Armid, A., Takaesu, Y., Fahmiati, T.,  Yoshida, S., Hanashiro, R., Fujimura,H., Higuchi, T., Taira, E. and Oomori, T. (2009) U/Ca as a possible proxy of carbonate system in coral reef Proceedings of the 11th International Coral Reef Symposium 92-96
(17) Sheikh, M.A., Higuchi, T., Fujimura,H., Imo, T.S., Miyagi, T. and Oomori, T.(2009) Contamination and impacts of new antifouling biocide Irgarol-1051 on subtropical coral reef waters International Journal of Environmental Science and Technology 6 353-358
(18) Sheikh, M.A., Fujimura, H., Miyagi, T., Uechi, Y., Yokota, T., Yasumura, S. and Oomori, T. (2009) Detection and ecological threats of PSII herbicide diuron on coral reefsaround the Ryukyu Archipelago, Japan Marine Pollution Bulletin 58 1922-1926 doi:10.1016/j.marpolbul.2009.09.010
(19) Casareto B.E., Niraula M.P., Fujimura H. and Suzuki Y. (2009) Effects of carbon dioxide on the coccolithophorid Pleurochrysis carterae in incubation experiments Aquatic Biology 7 59-70 doi:10.3354/ab00182
(20) Higuchi, T., Fujimura, H., Hitomi, Y., Arakaki, T., Oomori, T. and Suzuki, Y. (2010) Photochemical Formation of Hydroxyl Radicals in Tissue Extracts of the Coral Galaxea fascicularis Photochemistry and Photobiology, 86 1421-1426 doi:10.1111/j.1751-1097.2010.00802.x
(21) Rahman, M.A., Fujimura, H., Shinjo, R. and Oomori, T. (2011) Extracellular matrix protein in calcified endoskeleton: a potential additive for crystal growth and design Journal of Crystal Growth 324 177-183 doi:10.1016/j.jcrysgro.2011.03.021
(22) Armid, A., Asami, R., Fahmiati, T., Sheikh, M.A., Fujimura, H., Higuchi, T., Taira, E., Shinjo, R. and Oomori, T. (2011) Seawater temperature proxies based on DSr, DMg, and DU from culture experiments using the branching coral Porites cylindrica Geochimica et Cosmochimica Acta 75(15) 4273-4285 doi:10.1016/j.gca.2011.05.010
(23) Cuet, P., Atkinson, M.J., Blanchot, J., Casareto, B.E., Cordier, E., Falter, J., Frouin, P., Fujimura, H., Pierret, C., Susuki, Y. and Tourrand, C. (2011) CNP budgets of a coral-dominated fringing reef at La Re´union, France: coupling of oceanic phosphate and groundwater nitrate Coral Reefs 30 (S.I. suppl.1) 45-55 doi:10.1007/s00338-011-0744-4
(24) Agostini, S., Suzuki, Y., Higuchi, T., Casareto, B.E., Yoshinaga, K., Nakano, Y. and Fujimura, H.(2012) Biological and Chemical Characteristics of the Coral Gastric Cavity Coral Reefs 31(1) 147-156 doi:10.1007/s00338-011-0831-6
(25) Higuchi,T., Suzuki,Y and Fujimura H. Multiple effects of hydrogen peroxide and temperature on antioxidants and bleaching Proceedings of the 12th International Coral Reef Symposium in press
(26) Higuchi, T., Agostini, A., Casareto, B.E., Yoshinaga, K., Suzuk, T., Nakano, Y., Fujimura, H. and Suzuki, Y.(2013) Bacterial enhancement of bleaching and physiological impacts on the coral Montipora digitata Journal of Experimental Marine Biology and Ecology 440 54-60 doi:10.1016/j.jembe.2012.11.011
(27) Agostini, S., Fujimura, H., Fujita, K., Suzuki, Y. and Nakano Y. (2013) Respiratory electron transport system activity in symbiotic corals and its link to calcification. Aquatic Biology 18(2) 125–139 doi:10.3354/ab00496
(28) Agostini, S., Fujimura, H., Higuchi, T., Yuyama, I., Casareto, B.E., Suzuki, Y. and Nakano, Y. (2013) The effects of thermal and high-CO2 stresses on the metabolism and surrounding microenvironment of the coral Galaxea fascicularisComptes Rendus Biologies 336 384–391 http://dx.doi.org/10.1016/j.crvi.2013.07.003
(29) Higuchi, T., Takagi, K.K., Matoba, K., Kobayashi, S., Tsurumi, R., Arakaki, S., Nakano, Y., Fujimura, H., Oomori, T. and Tsuchiya, M. (2014) The Nutrient and Carbon Dynamics that Mutually Benefit Coral and Seagrass in Mixed Habitats under the Influence of Groundwater at Bise Coral Reef, Okinawa, Japan. International Journal of Marine Science 4(1) 1-15
(30) Higuchi, T., Fujimura, H., Yuyama, I., Harii, S., Agostini, S. and Oomori, T. (2014) Biotic Control of Skeletal Growth by Scleractinian Corals in Aragonite–Calcite Seas. PLoS ONE 9(3): e91021. doi:10.1371/journal.pone.0091021
(31) Rahman, M.A., K. Karl, M. Nonaka, H. Fujimura, R. Shinjo, T. Oomori and G. Wörheide (2014) Characterization of the proteinaceous skeletal organic matrix from the precious coral, Corallium konojoi. Proteomics14, 2600-2606. DOI: 10.1002/pmic.201300519
(32) Agostini, S., S. Wada, K. Kon, A. Omori, H. Kohtsuka, H. Fujimura, Y Tsuchiya, T Sato, H Shinagawa, Y Yamada, K Inaba (2015) Geochemistry of two shallow CO2 seeps in Shikine Island (Japan) and their potential for ocean acidification research. Regional Studies in Marine Science 2 Suppl.: 45-53.
(33) Agostini, S., H. Fujimura, H. Hayashi and K. Fujita (2016) Mitochondrial electron transport activity and metabolism of experimentally bleached hermatypic corals., Journal of Experimental Marine Biology and Ecology475: 100-107.

All the above publications can be downloaded from “University of the Ryukyus Researchers Database” in English or “琉大研究者データベース” in Japanese.

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