Bibliography

Click on article title to view abstract in the publisher’s web site. Some papers are open-access; otherwise, please use contact form to request reprints. Articles written in Japanese are excluded from the list and may be found in my Japanese web site.

Coastal wetlands

  1. ★ Miyajima, T., T. Nakamura, A. Watanabe, N. Morimoto, K. Nadaoka (2025) The grazing impact of megaherbivores on sediment accumulation and stabilization functions of seagrass meadows in a subtropical coral reef lagoon. Limnology and Oceanography 70: 1835–1848, doi:10.1002/lno.70088
  2. Nakamura, W., K. Tsuchiya, K. Watanabe, T. Miyajima, Y. Miyairi, Y. Yokoyama, P. T. Naing, T. Kuwae, J. Sasaki (2025) Radiocarbon analysis reveals decomposition of old soil organic carbon into dissolved inorganic carbon in a subtropical mangrove ecosystem. Limnology and Oceanography 70: 1740–1754, doi:10.1002/lno.70060
  3. Hamada, K., N. Yimatsa, T. Ohtsuka, N. Fujitake, T. Miyajima, Y. Yokoyama, Y. Miyairi, M. Kida (2025) Organo-metal coprecipitation contributes to stable organic carbon fraction in mangrove soil. CATENA 256: 109075. doi:10.1016/j.catena.2025.109075
  4. Rustam, A., M. A. Kusumaningtyas, H. L. Salim, D. D. Suryono, R. N. A. Ati, N. Sudirman, A. Daulat, T. L. Kepel, Y. P. Rahayu, D. Purbani, S. Husrin, N. S. Adi, M. Nakaoka, T. E. A. L. Quiros, Y. Tanaka, T. Miyajima, A. A. Hutahaean, and K. Nadaoka (2024) Changes in seagrass community structure in response to sediment load and excess nutrients, and its implication to carbon stocks in the Berau narine conservation area. Journal of Ecological Engineering 25: 156–68. doi:10.12911/22998993/190876
  5. Hamada, K., T. Ohtsuka, N. Fujitake, T. Miyajima, Y. Yokoyama, Y. Miyairi, M. Kida (2024) Functional organic matter components in mangrove soils revealed by density fractionation. Soil Science and Plant Nutrition 70: 88–99. doi:10.1080/00380768.2024.2304761
  6. Ray, R., R. Suwa, T. Miyajima, J. Munar, M. Yoshikai, M. L. San Diego-McGlone, and K. Nadaoka (2023) Sedimentary blue carbon dynamics based on chronosequential observations in a tropical restored mangrove forest. Biogeosciences 20: 911–28. doi:10.5194/bg-20-911-2023
  7. Kennedy H, Pagès JF, Lagomasino D, Arias‐Ortiz A, Colarusso P, Fourqurean JW, Githaiga MN, Howard JL, Krause‐Jensen D, Kuwae T, Lavery PS, Macreadie PI, Marbà N, Masqué P, Mazarrasa I, Miyajima T, Serrano O, Duarte CM (2022) Species traits and geomorphic setting as drivers of global soil carbon stocks in seagrass meadows. Global Biogeochemical Cycles 36, 10.1029/2022gb007481
  8. ★ Miyajima T, Hamaguchi M, Hori M (2021) Evaluation of the baseline carbon sequestration rates of Indo-Pacific temperate and tropical seagrass meadow sediments. Ecological Research 37: 9-20
  9. Ray R, Miyajima T, Watanabe A, Yoshikai M, Ferrera CM, Orizar I, Nakamura T, San Diego-McGlone ML, Herrera EC, Nadaoka K (2021) Dissolved and particulate carbon export from a tropical mangrove-dominated riverine system. Limnology and Oceanography 66:3944-3962
  10. Yoshikai M, Nakamura T, Tanaka Y, Nakaoka M, Watanabe A, Herrera EC, Tsuchiya T, Miyajima T, San Diego-Mc Glone ML, Fortes MD, Blanco AC, Tamodong AM, Nadaoka K (2021) Modeling seagrass bed dynamics under environmental impacts of intensive mariculture activities in Bolinao and Anda, the Philippines. Estuarine, Coastal and Shelf Science 250: 107152
  11. Miyajima T, Hamaguchi M (2018) Carbon sequestration in sediment as an ecosystem function of seagrass meadows. In: Kuwae T, Hori M (eds.), Blue Carbon in Shallow Coastal Ecosystems, Springer Nature Singapore, p.33-71
  12. Miyajima T, Hori M, Hamaguchi M, Shimabukuro H, Adachi H, Yamano H, Nakaoka M (2015) Geographic variability in organic carbon stock and accumulation rate in sediments of East and Southeast Asian seagrass meadows. Global Biogeochemical Cycles 29: 397-415
  13. Tanaka Y, Go GA, Watanabe A, Miyajima T, Nakaoka M, Uy WH, Nadaoka K, Watanabe S, Fortes MD (2014) 17-year change in species composition of mixed seagrass beds around Santiago Island, Bolinao, the northwestern Philippines. Marine Pollution Bulletin 88: 81-85
  14. Miyajima T, Tsuboi Y, Tanaka Y, Koike I (2009) Export of inorganic carbon from two Southeast-Asian mangrove forests to adjacent estuaries as estimated by the stable isotope composition of dissolved inorganic carbon. Journal of Geophysical Research – Biogeosciences 114, G01024, doi:10.1029/2008JG000861
  15. Tanaka Y, Miyajima T, Yamada K, Hori M, Hasegawa N, Umezawa Y, Koike I (2008) Specific growth rate as a determinant of carbon isotope composition of a temperate seagrass Zostera marina. Aquatic Botany 89: 331-336
  16. Nakamura Y, Horinouchi M, Shibuno T, Tanaka Y, Miyajima T, Koike I, Kurokura H, Sano M (2008) Evidence of ontogenetic migration from mangroves to coral reefs by black tail snapper Lutjanus fulvus: a stable isotope approach. Marine Ecology Progress Series 355: 257-266
  17. Miyajima T, Suzumura M, Umezawa Y, Koike I (2001) Microbiological nitrogen transformation in carbonate sediments of a coral-reef lagoon and associated seagrass beds. Marine Ecology Progress Series 217: 273-286
  18. Miyajima T, Koike I, Yamano H, Iizumi H (1998) Accumulation and transport of seagrass-derived organic matter in the sediment of coral reef flat of Green Island, Great Barrier Reef. Marine Ecology Progress Series 175: 251-259

Coral reefs

  1. Higa, S., H. Fujimura, T. Higuchi, T. Miyajima, I. Yuyama, S. Agostini, T. Nakamura (2025) Feeding effect on reducing reactive oxygen species in the scleractinian coral Galaxea fascicularis. Galaxea, Journal of Coral Reef Studies 27: 33–46, doi:10.3755/galaxea.g27o-1
  2. Skinner C, Pei Y-D, Morimoto N, Miyajima T, Wyatt ASJ (2022) Stable isotopes elucidate body-size and seasonal fluctuations in the feeding strategies of planktivorous fishes across a semi-enclosed tropical embayment. Frontiers in Ecology and Evolution 10, 10.3389/fevo.2022.942968
  3. Fujii T, Tanaka Y, Maki K, Saotome N, Morimoto N, Watanabe A, Miyajima T (2020) Organic carbon and nitrogen isoscapes of reef corals and algal symbionts: Relative influences of environmental gradients and heterotrophy. Microorganisms 8: art1221
  4. Wyatt ASJ, Leichter JJ, Toth LT, Miyajima T, Aronson RB, Nagata T (2019) Heat accumulation on coral reefs mitigated by internal waves. Nature Geoscience 13: 28-34
  5. Nakamura T, Nadaoka K, Watanabe A, Yamamoto T, Miyajima T, Blanco AC (2017) Reef-scale modeling of coral calcification responses to ocean acidification and sea-level rise. Coral Reefs 37: 37-53
  6. Miyajima T, Morimoto N, Nakamura T, Yamamoto T, Watanabe A, Nadaoka K (2016) Atmospheric deposition of reactive nitrogen as a regional-scale eutrophication stress on the coral reef ecosystem. In: Kayanne H (ed.) Coral Reef Science: Strategy for Ecosystem Symbiosis and Coexistence with Humans under Multiple Stresses. Springer, pp.95-101.
  7. Yamano H, Hata H, Miyajima T, Nozaki K, Kato K, Negishi A, Tamura M, Kayanne H (2014) Water circulation in a fringing reef and implications for coral distribution and resilience. In: Nakano S, Yahara T, Nakashizuka T (eds.) The biodiversity observation network in the Asia-Pacific region: Integrative observations and assessments of Asian biodiversity. Springer, pp.275-293.
  8. Thibodeau B, Miyajima T, Tayasu I, Wyatt A, Watanabe A, Morimoto N, Yoshimizu C, Nagata T (2013) Heterogeneous dissolved organic nitrogen supply over a coral reef: First evidence from nitrogen stable isotope ratios. Coral Reefs 32: 1103-1110
  9. Watanabe A, Yamamoto T, Nadaoka K, Maeda Y, Miyajima T, Tanaka Y (2012) Spatio-temporal variations of CO2 flux in a fringing reef simulated with a newly developed carbonate system dynamics model. Coral Reefs 32: 239-254
  10. Tanaka Y, Ogawa H, Miyajima T (2011) Production and bacterial decomposition of dissolved organic matter in a fringing coral reef. Journal of Oceanography 67: 427-437
  11. Tanaka Y, Miyajima T, Watanabe A, Nadaoka K, Yamamoto T, Ogawa H (2011) Distribution of dissolved organic carbon and nitrogen in a coral reef. Coral Reefs 30: 533-541
  12. Tanaka Y, Ogawa H, Miyajima T (2011) Bacterial decomposition of coral mucus as evaluated by long-term and quantitative evaluation. Coral Reefs 30: 443-449
  13. Osawa Y, Fujita K, Umezawa Y, Kayanne H, Ide Y, Nagaoka T, Miyajima T, Yamano H (2010) Human impacts on large benthic foraminifers near a densely populated area of Majuro Atoll, Marshall Islands. Marine Pollution Bulletin 60: 1279-1287
  14. Tanaka Y, Ogawa H, Miyajima T (2010) Effects of nutrient enrichment on the release of dissolved organic carbon and nitrogen by the scleractinian coral Montipora digitata. Coral Reefs 29: 675-682
  15. Miyajima T, Umezawa Y (2010): Stable isotope composition of nitrogen (δ15N) as a tool for investigating nitrogen cycling in coral reef ecosystems. p. 197-222. In: Ohkouch N et al. (eds.) Earth, Life, and Isotopes, Kyoto University Press.
  16. Tanaka Y, Miyajima T, Umezawa Y, Hayashibara T, Ogawa H, Koike I (2009) Net release of dissolved organic matter by the scleractinian coral Acropora pulchra. Journal of Experimental Marine Biology and Ecology 377: 101-106
  17. Tanaka Y, Miyajima T, Ogawa H (2009) Bacterial degradability of dissolved organic carbon in coral mucus. Proceedings of the 11th International Coral Reef Symposium 945-949
  18. Umezawa Y, Miyajima T, Koike I (2008) Stable nitrogen isotope composition in sedimentary organic matter as a potential proxy of nitrogen sources for primary producers at a fringing coral reef. Journal of Oceanography 64: 899-909
  19. Tanaka Y, Miyajima T, Koike I, Hayashibara T, Ogawa H (2008) Production of dissolved and particulate organic matter by the reef-building corals Porites cylindrica and Acropora pulchra. Bulletin of Marine Science 82: 237-245
  20. Miyajima T, Tanaka Y, Koike I, Yamano H, Kayanne H (2007) Evaluation of spatial correlation between nutrient exchange rates and benthic biota in a reef-flat ecosystem by GIS-assisted flow-tracking. Journal of Oceanography 63: 643-659
  21. Umezawa Y, Miyajima T, Tanaka Y, Koike I (2007) Variation in internal δ15N and δ13C distributions and their bulk values in the brown macroalga Padina australis growing in subtropical oligotrophic waters. Journal of Phycology 43: 437-448
  22. Miyajima T, Hata H, Umezawa Y, Kayanne H, Koike I (2007) Distribution and partitioning of nitrogen and phosphorus in a fringing reef lagoon of Ishigaki Island, Northwestern Pacific. Marine Ecology Progress Series 341: 45-57
  23. Tanaka Y, Miyajima T, Koike I, Hayashibara T, Ogawa H (2007) Imbalanced coral growth between organic tissue and carbonate skeleton brought by nutrient enrichment. Limnology and Oceanography 52: 1139-1146
  24. Tanaka Y, Miyajima T, Koike I, Hayashibara T, Ogawa H (2006) Translocation and conservation of organic nitrogen within the coral-zooxanthella symbiotic system of Acropora pulchra, as demonstrated by dual isotope-labeling techniques. Journal of Experimental Marine Biology and Ecology 336: 110-119
  25. Tanaka Y, Miyajima T, Umezawa Y, Fukuda H, Koike I, Ogawa H, Hayashibara T (2004): Effects of nitrate enrichment on release of dissolved organic carbon and nitrogen from zooxanthellate coral, Acropora pulchra and Porites cylindrica. Proceedings of the 10th International Coral Reef Symposium p.925-931
  26. Umezawa Y, Miyajima T, Kayanne H, Koike I (2002) Significance of groundwater nitrogen discharge into coral reefs at Ishigaki Island, southwest of Japan. Coral Reefs 21:346-356
  27. Umezawa Y, Miyajima T, Yamamuro M, Kayanne H, Koike I (2002) Fine-scale mapping of land-derived nitrogen in coral reefs by δ15N in macroalgae. Limnology and Oceanography 47: 1405-1416
  28. Suzumura M, Miyajima T, Hata H, Umezawa Y, Kayanne H, Koike I (2002) Cycling of phosphorus maintains the production of microphytobenthic communities in carbonate sediments of a coral reef. Limnology and Oceanography 47: 771-781
  29. Yamano H, Miyajima T, Koike I (2000) Importance of foraminifera for the formation and maintenance of a coral sand cay: Green Island, Australia. Coral Reefs 19: 51-58

Other coastal ecosystems

  1. Yoshii, K., H. Takayanagi, T. Miyajima, L. Reuning, K. Yamamoto, Y. Iryu (2025) Origin of interstitial water beneath the continental shelf offshore northwestern Australia: insights from hydrogen and oxygen isotope compositions. Progress in Earth and Planetary Science 12: art.45, doi:10.1186/s40645-025-00722-6
  2. Fujioka, H., K. Suzuki, H. Takayanagi, E. Tasumi, K. Yamamoto, H. Ohfuji, T. Miyajima, Y. Iryu (2025) Effects of artificial diagenetic alteration on the microstructure, isotopic composition, and metal element concentrations in brachiopod shells. Geochemical Journal 59: 96–117, doi:10.2343/geochemj.gj25005
  3. Duarte, C. M., A. Delgado-Huertas, E. Marti, B. Gasser, I. S. Martin, A. Cousteau, F. Neumeyer, M. Reilly-Cayten, J. Boyce, T. Kuwae, M. Hori, T. Miyajima, N. N. Price, S. Arnold, A. M. Ricart, S. Davis, N. Surugau, A.-J. Abdul, J. Wu, X. Xiao, I. K. Chung, C. G. Choi, C. F. A. Sondak, H. Albasri, D. Krause-Jensen, A. Bruhn, T. Boderskov, K. Hancke, J. Funderud, A. R. Borrero-Santiago, F. Pascal, P. Joanne, L. Ranivoarivelo, W. T. Collins, J. Clark, J. F. Gutierrez, R. Riquelme, M. Avila, P. I. Macreadie, and P. Masque (2025) Carbon burial in sediments below seaweed farms matches that of Blue Carbon habitats. Nature Climate Change 15: 180–87. doi:10.1038/s41558-024-02238-1
  4. Slameron ADC, Takayanagi H, Wakaki S, Ishikawa T, Miyajima T, Wakaki H, Itaki T, Iryu Y (2022) Characterization of water masses around the southern Ryukyu Islands based on isotopic compositions. Progress in Earth and Planetary Science 9: 44
  5. Correia-Martins A, Tremblay R, Bec B, Roques C, Atteia A, Gobet A, Richard M, Hamaguchi M, Miyajima T, Hori M, Millon G, Pouvreau S, Lagarde F (2022) Failure of bivalve foundation species recruitment related to trophic changes during an extreme heatwave event. Marine Ecology Progress Series 691: 69-82
  6. Lagarde F, Richard M, Derolez V, Bec B, Pete R, Hori J, Bayne C, Mortreux S, Correia-Martins A, Tremblay R, Hamaguchi M, Shoji J, Makino M, Sato M, Nakaoka M, Miyajima T, Pouvreau S, Hori M (2020) Integrated ecosystem management for exploited coastal ecosystem dynamics under oligotrophication and climate changes. In: Evolution of Marine Coastal Ecosystems under the Pressure of Global Changes, pp. 253-268. Springer, Cham.
  7. Zhao L, Shirai K, Murakami-Sugihara N, Higuchi T, Sakamoto TT, Miyajima T, Tanaka K (2019) Retrospective monitoring of salinity in coastal waters with mussel shells. Science of the Total Environment 671: 666-675
  8. Yamamoto T, Malingin MACL, Pepino MM, Yoshikai M, Campos W, Miyajima T, Watanabe A, Tanaka Y, Morimoto N, Ramos R, Pagkalinawan H, Nadaoka K (2018) Assessment of coastal turbidity improvement potential by terrigenous sediment load reduction and its implications on seagrass inhabitable area in Banate Bay, central Philippines. Science of the Total Environment 656: 1386-1400
  9. Kubota K, Shirai K, Higuchi T, Miyajima T (2018) Oxygen and hydrogen isotope characteristics of seawater in Otsuchi Bay and meteoric water of inflowing rivers. Coastal Marine Science 41: 1-6
  10. Morimoto N, Umezawa Y, San Diego-McGlone, ML, Watanabe A, Siringan FP, Tanaka Y, Regino GL, Miyajima T (2017) Spatial dietary shift in bivalves from embayment with river discharge and mariculture activities to outer seagrass beds in northwestern Philippines. Marine Biology 164: article 84.
  11. Ferrera CM, Watanabe A, Miyajima T, San Diego-McGlone ML, Morimoto N, Umezawa Y, Herrera E, Tsuchiya T, Yoshikai M, Nadaoka K (2016) Phosphorus as a driver of nitrogen limitation and sustained eutrophic conditions in Bolinao and Anda, Philippines, a mariculture-impacted tropical coastal area. Marine Pollution Bulletin 105: 237-248
  12. Watai M, Nakamura Y, Honda K, Bolisay KO, Miyajima T, Nakaoka M, Fortes MD (2015) Diet, growth, and abundance of two seagrass bed fishes along a pollution gradient caused by milkfish farming in Bolinao, northwestern Philippines. Fisheries Science 81: 43-51
  13. Takayanagi H, Asami R, Abe O, Kitagawa H, Miyajima T, Iryu Y (2012) Carbon- and oxygen-isotope compositions of a deep-water modern brachiopod Campagea japonica collected off Aguni-jima, Central Ryukyu Islands, southwestern Japan. Geochemical Journal 46: 77-87
  14. Sugimoto R, Kasai A, Miyajima T, Fujita K (2010) Modeling phytoplankton production in Ise Bay, Japan: use of nitrogen isotopes to identify dissolved inorganic nitrogen sources. Estuarine, Coastal and Shelf Science 86: 450-466
  15. Sugimoto R, Kasai A, Miyajima T, Fujita K (2009) Controlling factors of seasonal variation in the nitrogen isotope ratio of nitrate in a eutrophic coastal environment. Estuarine, Coastal and Shelf Science 85: 231-240
  16. Sugimoto R, Kasai A, Miyajima T, Fujita K (2009) Transport of oceanic nitrate from the continental shelf to the coastal basin in relation to the path of the Kuroshio. Continental Shelf Research 29: 1678-1688
  17. Sugimoto R, Kasai A, Miyajima T, Fujita K (2009) Nitrogen isotope ratios of nitrate as a clue to the origin of nitrogen on the Pacific coast of Japan. Continental Shelf Research 29: 1303-1309
  18. Sugimoto R, Kasai A, Miyajima T, Fujita K (2008) Nitrogen isotopic discrimination by water column nitrification in a shallow coastal environment. Journal of Oceanography 64: 39-48
  19. Sato T, Miyajima T, Ogawa H, Umezawa Y, Koike I (2006) Temporal variability of stable carbon and nitrogen isotopic composition of size-fractionated particulate organic matter in the hypertrophic Sumida River Estuary of Tokyo Bay, Japan. Estuarine, Coastal and Shelf Science 68: 245-258
  20. Yamasaki A, Fukuda H, Fukuda R, Miyajima T, Nagata T, Ogawa H, Koike I (1998) Submicron particles in northwest Pacific coastal environments: Abundance, size distribution, and biological origins. Limnology and Oceanography 43: 536-542

Lakes and rivers

  1. Tsujino, M., S. Hirabayashi, Y. Miyairi, T. Ijichi, T. Miyajima, Y. Yokoyama (2024) Groundwater dynamics on small carbonate islands: Insights from radiocarbon and stable isotopes in Kikai Island, Southwest Japan. Science of the Total Environment 921: 171049. doi:10.1016/j.scitotenv.2024.171049
  2. Ota, K., Y. Yokoyama, Y. Miyairi, S. Yamamoto, Y. Wang, T. Miyajima (2023) Monthly measurements of water dissolved inorganic radiocarbon in Lake Kawaguchi for three years indicating seasonal precipitation-groundwater variations. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 538: 75–80. doi:10.1016/j.nimb.2023.02.02
  3. Ota K, Yokoyama Y, Miyairi Y, Yamamoto S, Miyajima T (2021) Lake water dissolved inorganic carbon dynamics revealed from monthly measurements of radiocarbon in the Fuji Five Lakes, Japan. Elementa: Science of the Anthropocene 9: 00149
  4. Maki K, Kim C, Yoshimizu C, Tayasu I, Miyajima T, Nagata T (2010) Autochthonous origin of semi-labile dissolved organic carbon in a large monomictic lake (Lake Biwa): Carbon stable isotopic evidence. Limnology 11: 143-153
  5. Miyajima T, Yoshimizu C, Tsuboi Y, Tanaka Y, Tayasu I, Nagata T, Koike I (2009) Longitudinal distribution of nitrate δ15N and δ18O in two contrasting tropical rivers: Implications for instream nitrogen cycling. Biogeochemistry 95: 243-260
  6. Kohzu A, Miyajima T, Tayasu I, Yoshimizu C, Hyodo F, Matsui K, Nakano T, Wada E, Fujita N, Nagata T (2008) Use of stable nitrogen isotope signatures of riparian macrophytes as an indicator of anthropogenic N inputs to river ecosystems. Environmental Science and Technology 42: 7837-7841
  7. Miyajima T, Yamada Y, Nakajima T, Wada E, Koitabashi T, Hanba YT, Yoshii K (1997) Distribution of greenhouse gases, nitrite, and δ13C of dissolved inorganic carbon in Lake Biwa: Implication for hypolimnetic metabolism. Biogeochemistry 36: 205-221
  8. Miyajima T, Nakano S, Nakanishi M (1995) Planktonic diatoms in pelagic silicate cycle in Lake Biwa. Japanese Journal of Limnology 56: 211-220
  9. Miyajima T, Nakanishi M, Nakano S, Tezuka Y (1994) An autumnal bloom of the diatom Melosira granulata in a shallow eutrophic lake: physical and chemical constraints on its population dynamics. Archiv für Hydrobiologie 130: 143-162
  10. Hirayama A, Nakanishi M, Miyajima T, Nakano S (1993) Light environment and photosynthesis in the south basin of Lake Biwa. Verhandlungen – Internationale Vereinigung für Theoretische und Angewandte Limnologie 25: 811-816
  11. Miyajima T (1992) Production of Metallogenium-like particles by heterotrophic manganese-oxidizing bacteria collected from a lake. Archives of Microbiology 158: 100-106
  12. Miyajima T (1992) Reductive dissolution of manganese coupled to mineralization in lake water/sediment microcosms. Memoirs of Faculty of Science of Kyoto University Series B 15: 15-27
  13. Miyajima T (1992) Biological manganese oxidation in a lake: II. A thermodynamic consideration of the habitat utilization of Metallogenium sp. Archiv für Hydrobiologie 124: 411-426
  14. Miyajima T (1992) Biological manganese oxidation in a lake: I. Occurrence and distribution of Metallogenium sp. and its kinetic properties. Archiv für Hydrobiologie 124: 317-335
  15. Miyajima T (1992) Recycling of nitrogen and phosphorus from the particulate organic matter associated with the proliferation of bacteria and microflagellates. Japanese Journal of Limnology 53: 133-138
  16. Miyajima T (1992) Decomposition activity and nutrient regeneration rates in the hypolimnion of the north basin of Lake Biwa. Japanese Journal of Limnology 53: 65-73

Other terrestrial ecosystems

  1. Patria, A. A., S. P. Obrochta, T. Miyajima, B. C. Behrens, and F. Anggara. 2025. Identification of fire severity in peat deposits using carbon and nitrogen isotopes. Scientific Reports 15: 17291, doi:10.1038/s41598-025-01123-x
  2. Sano Y, Onda S, Kagoshima T, Miyajima T, Takahata N, Shibata T, Nakagawa C, Onoue T, Kim NK, Lee H, Kusakabe M, Pinti DL (2020) Groundwater oxygen anomaly related to the 2016 Kumamoto earthquake in Southwest Japan. Proceedings of the Japan Academy, Series B 96: 322-334
  3. Onda S, Sano Y, Takahata N, Kagoshima T, Miyajima T, Shibata T, Pinti DL, Lan T, Kim NK, Kusakabe M, Nishio Y (2018) Groundwater oxygen isotope anomaly before the M6.6 Tottori earthquake in Southwest Japan. Scientific Reports 8: 4800
  4. Kohzu A, Miyajima T, Tateishi T, Watanabe T, Takahashi M, Wada E (2007) Dynamics of 15N natural abundance in wood decomposing fungi and their ecophysiological implications. Isotopes in Environmental and Health Studies 43: 83-94
  5. Kohzu A, Miyajima T, Tateishi T, Watanabe T, Takahashi M, Wada E (2005) Dynamics of 13C natural abundance in wood decomposing fungi and their ecophysiological implications. Soil Biology and Biochemistry 37: 1598-1607
  6. Yoshioka T, Ueda S, Miyajima T, Wada E, Yoshida N, Sugimoto A, Vijarnsorn P, Boonprakub S (2002) Biogeochemical properties of a tropical swamp forest ecosystem in southern Thailand. Limnology 3: 51-59
  7. Ueda S, Go, CU, Yoshioka T, Yoshida N, Wada E, Miyajima T, Sugimoto A, Boontanon N, Vijarnsorn P, Boonprakub S (2000) Dynamics of dissolved O2, CO2, CH4, and N2O in a tropical coastal swamp in southern Thailand. Biogeochemistry 49: 191-215
  8. Miyajima T, Wada E (1999) Sulfate-induced isotopic variation in biogenic methane from tropical swamp without anaerobic methane oxidation. Hydrobiologia 382: 113-118

Sediment and soil studies

  1. Miyajima T, Hamaguchi M, Nakamura T, Katayama H, Hori M (2022) Export and dispersal of coastal macrophyte-derived organic matter to deep offshore sediment around the Tokara and Yaeyama Islands, southwest Japan: Evaluation using quantitative DNA probing techniques. Bulletin of the Geological Survey of Japan 73: 313-321
  2. Hamaguchi M, Miyajima T, Shimabukuro H, Hori M (2022) Development of quantitative real-time PCR for detecting environmental DNA derived from marine macrophytes and its application to a field survey in Hiroshima Bay, Japan. Water 14: 827
  3. Hamaguchi M, Shimabukuro H, Hori M, Yoshida G, Terada T, Miyajima T (2018) Quantitative real-time polymerase chain reaction (PCR) and droplet digital PCR duplex assays for detecting Zostera marina DNA in coastal sediments. Limnology and Oceanography: Methods 16: 253-264
  4. Miyajima T, Hori M, Hamaguchi M, Shimabukuro H, Yoshida G (2017) Geophysical constraints for organic carbon sequestration capacity of Zostera marina seagrass meadows and surrounding habitats. Limnology and Oceanography 62: 954-972
  5. Miyajima T (2015) Abiotic versus biotic immobilization of inorganic nitrogen in sediment as a potential pathway of nitrogen sequestration from coastal marine ecosystems. Geochemical Journal 49: 453-468
  6. Kohzu A, Imai A, Miyajima T, Fukushima T, Matsushige K, Komatsu K, Kawasaki N, Miura S, Sato T (2011) Direct evidence for nitrogen isotope discrimination during sedimentation and early diagenesis in Lake Kasumigaura, Japan. Organic Geochemistry 42:173-183
  7. Adachi H, Yamano H, Miyajima T, Nakaoka M (2010) A simple and robust method for coring unconsolidated sediment in shallow water. Journal of Oceanography 66: 865-872
  8. Miyajima T, Ogawa H, Koike I (2001) Alkali-extractable polysaccharides in marine sediments: Abundance, molecular size distribution, and monosaccharide composition. Geochimica et Cosmochimica Acta 65: 1455-1466
  9. Miyajima T, Wada E, Hanba YT, Vijarnsorn P (1997) Anaerobic mineralization of indigenous organic matters and methanogenesis in tropical wetland soils. Geochimica et Cosmochimica Acta 61: 3739-3751
  10. Miyajima T (1994) Mud-water fluxes of inorganic nitrogen and manganese in the pelagic region of Lake Biwa: Seasonal dynamics and impact on the hypolimnetic metabolism. Archiv für Hydrobiologie 130: 303-324

Analytical method development

  1. Ando, K., K. Nishida, Y. Miyairi, M. Hayashi, M. Yorifuji, T. Ishimura, T. Aze, T. Miyajima, Y. Yokoyama. (2025) Carbon source estimation of Banggai cardinalfish, Pterapogon kauderni, otoliths using a novel tracer Δ14C: New implications for fish metabolism and otolith calcification. Limnology and Oceanography Letters 10: 764–73, doi:10.1002/lol2.70042
  2. Ferrera CM. Miyajima T, Watanabe A, Umezawa Y, Morimoto N, San Diego-McGlone, ML, Nadaoka K (2015) Variation in oxygen isotope ratio of dissolved orthophosphate induced by uptake process in natural coral holobionts. Coral Reefs 35: 655-668
  3. Takayanagi H, Asami R, Otake T, Abe O, Miyajima T, Kitagawa H, Iryu Y (2015) Quantitative analysis of intraspecific variations in the carbon and oxygen isotope compositions of the modern cool-temperate brachiopod Terebratulina crossei. Geochimica et Cosmochimica Acta 170: 301-320
  4. Maki K, Ohkouchi N, Chikaraishi Y, Fukuda H, Miyajima T, Nagata T (2014) Influence of nitrogen substrates and substrate C:N ratios on the nitrogen isotopic composition of amino acids from the marine bacterium Vibrio harveyi. Geochimica et Cosmochimica Acta 140: 521-530
  5. Takayanagi H, Asami R, Abe O, Miyajima T, Kitagawa H, Sasaki K, Iryu Y (2013) Intraspecific variations in carbon- and oxygen-isotope compositions of a brachiopod Basiliola lucida collected off Okinawa-jima, southwestern Japan. Geochim Cosmochim Acta 115: 115-136
  6. Miyajima T, Tanaka Y, Koike I (2005) Determining 15N enrichment of dissolved organic nitrogen in environmental waters by gas chromatography/negative-ion chemical ionization mass spectrometry. Limnology and Oceanography: Methods 3: 164-173
  7. Miyajima T, Yamada Y, Hanba YT, Yoshii K, Koitabashi T, Wada E (1995) Determining the stable isotope ratio of total dissolved inorganic carbon in lake water by use of the GC/C/IRMS. Limnology and Oceanography 40: 994-1000

Last update: November 2, 2025