Recruitment List of researchers 日本語版

港湾空港技術研究所

Coastal and Estuarine Environment Group

Members

Coastal and Estuarine Environment Group

img:Kenta WATANABE

Kenta WATANABE
Coastal and Estuarine Environment Research Group
Port and Airport Research Institute
3-1-1, Nagase, Yokosuka 239-0826, Kanagawa, Japan
Phone: +81-46-844-5046 Fax: +81-46-844-1274
E-mail: watanabe-ke(at)p.mpat.go.jp

Educations

  • Ph.D. Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University, Japan, May 2019

    "Biological production and carbon sequestration functions in estuarine and coastal ecosystems"

  • M.S. Division of Applied Biosciences, Graduate School of Agriculture, Kyoto Universisty, Japan, Mar. 2012
  • B.S. Department of Bioresource Science, Faculty of Agriculture, Kyoto University, Japan, Mar. 2010

Professional Experience

  • Senior Researcher, Coastal and Estuarine Environment Research Group, Port and Airport Research Institute, Apr. 2020-

  • Researcher, Coastal and Estuarine Environment Research Group, Port and Airport Research Institute, Apr. 2012-

Research Interests

  • Carbon sequestration processes in "Blue carbon" ecosystems
  • Ecosystem services in shallow coastal systems
  • Linkages between nutrient dynamics and biological production in estuaries and coastal systems

Publications

24) Ross, F. W. R., P. W. Boyd, K. Filbee-Dexter, K. Watanabe, A. Ortega, D. Krause-Jensen, C. Lovelock, C. F. A. Sondak, L. T. Bach, C. M. Duarte, O. Serrano, J. Beardall, P. Tarbuck, and P. I. Macreadie. 2023. Potential role of seaweeds in climate change mitigation. Science of the Total Environment 885: 163699, https://doi.org/10.1016/j.scitotenv.2023.163699. Open Access

23) Nagatomo, K., K. Nakayama, K. Komai, H. Matsumoto, K. Watanabe, A. Kubo, K. Tada, Y. Maruya, S. Yano, J. W. Tsai, H. C. Lin, M. Vilas, and M. R. Hipsey. 2023. A Spatially Integrated Dissolved Inorganic Carbon (SiDIC) Model for Aquatic Ecosystems Considering Submerged Vegetation. Journal of Geophysical Research: Biogeosciences 128(2): e2022JG007032, https://doi.org/10.1029/2022JG007032.

22) Akhand, A., A. Chanda, K. Watanabe, S. Das, T. Tokoro, S. Hazra, and T. Kuwae. 2022. Drivers of inorganic carbon dynamics and air-water CO2 fluxes in two large tropical estuaries: Insights from coupled radon (222Rn) and pCO2 surveys. Limnology and Oceanography 67(S2): S118-S132, https://doi.org/10.1002/lno.12075. Open Access

21) Kuwae, T., J. Hosoya, K. Ichimi, K. Watanabe, M. C. Drever, T. Moriya, R. W. Elner, and K. A. Hobson. 2022. Using stable isotope (δ13C, δ15N) values from feces and breath to infer shorebird diets. Oecologia 200(1-2): 23-35, https://doi.org/10.1007/s00442-022-05257-x. Open Access

20) Watanabe, K. and T. Kuwae. 2021. An unintended ecological benefit from human intervention: The enhancement of carbon storage in seagrass meadows. Journal of Applied Ecology 58(11): 2441-2452, https://doi.org/10.1111/1365-2664.13977. Open Access

19) Nakakuni, M., K. Watanabe, K. Kaminaka, Y. Mizuno, K. Takehara, T. Kuwae, and S. Yamamoto. 2021. Seagrass contributes substantially to the sedimentary lignin pool in an estuarine seagrass meadow. Science of the Total Environment 793: 148488, https://doi.org/10.1016/j.scitotenv.2021.148488.

18) Akhand, A., A. Chanda, K. Watanabe, S. Das, T. Tokoro, S. Hazra, and T. Kuwae. 2021. Reduction in Riverine Freshwater Supply Changes Inorganic and Organic Carbon Dynamics and Air-Water CO2 Fluxes in a Tropical Mangrove Dominated Estuary. Journal of Geophysical Research: Biogeosciences 126(5): e2020JG006144, https://doi.org/10.1029/2020JG006144. Open Access

17) Akhand, A., A. Chanda, K. Watanabe, S. Das, T. Tokoro, K. Chakraborty, S. Hazra, and T. Kuwae. 2021. Low CO2 evasion rate from the mangrove-surrounding waters of the Sundarbans. Biogeochemistry 153(1): 95-114, https://doi.org/10.1007/s10533-021-00769-9. Open Access

16) Akhand, A., K. Watanabe, A. Chanda, T. Tokoro, K. Chakraborty, H. Moki, T. Tanaya, J. Ghosh, and T. Kuwae. 2021. Lateral carbon fluxes and CO2 evasion from a subtropical mangrove-seagrass-coral continuum. Science of the Total Environment 752: 142190, https://doi.org/10.1016/j.scitotenv.2020.142190. Open Access

15) Nakayama, K., T. Shintani, K. Komai, Y. Nakagawa, J. W. Tsai, D. Sasaki, K. Tada, H. Moki, T. Kuwae, K. Watanabe, and M. R. Hipsey. 2020. Integration of submerged aquatic vegetation motion within hydrodynamic models. Water Resources Research 56(8): e2020WR027369, https://doi.org/10.1029/2020WR027369.

14) Watanabe, K., G. Yoshida, M. Hori, Y. Umezawa, H. Moki, and T. Kuwae. 2020. Macroalgal metabolism and lateral carbon flows can create significant carbon sinks. Biogeosciences 17(9): 2425-2440, https://doi.org/10.5194/bg-17-2425-2020. Open Access

13) Seike, K., M. Banno, K. Watanabe, T. Kuwae, M. Arai, and H. Sato. 2020. Benthic Filtering Reduces the Abundance of Primary Producers in the Bottom Water of an Open Sandy Beach System (Kashimanada Coast, Japan). Gephysical Research Letters 47(1): e2019GL085338, https://doi.org/10.1029/2019GL085338. Open Access

12) Macreadie, P. I., A. Anton, J. A. Raven, N. Beaumont, R. M. Connolly, D. A. Friess, J. J. Kelleway, H. Kennedy, T. Kuwae, P. S. Lavery, C. E. Lovelock, D. A. Smale, E. T. Apostolaki, T. B. Atwood, J. Baldock, T. S. Bianchi, G. L. Chmura, B. D. Eyre, J. W. Fourqurean, J. M. Hall-Spencer, M. Huxham, I. E. Hendriks, D. Krause-Jensen, D. Laffoley, T. Luisetti, N. Marbà, P. Masque, K. J. McGlathery, J. P. Megonigal, D. Murdiyarso, B. D. Russell, R. Santos, O. Serrano, B. R. Silliman, K. Watanabe, and C. M. Duarte. 2019. The future of Blue Carbon science. Nature Communications 10: 3998, https://doi.org/10.1038/s41467-019-11693-w. Open Access

11) Saderne, V., N. R. Geraldi, P. I. Macreadie, D. T. Maher, J. J. Middelburg, O. Serrano, H. Almahasheer, A. Arias-Ortiz, M. Cusack, B. D. Eyre, J. W. Fourqurean, H. Kennedy, D. Krause-Jensen, T. Kuwae, P. S. Lavery, C. E. Lovelock, N. Marbà, P. Masqué, M. A. Mateo, I. Mazarrasa, K. J. McGlathery, M. P. J. Oreska, C. J. Sanders, I. R. Santos, J. M. Smoak, T. Tanaya, K. Watanabe, and C. M. Duarte. 2019. Role of carbonate burial in Blue Carbon budgets. Nature Communications 10: 1106, https://doi.org/10.1038/s41467-019-08842-6. Open Access

10) Watanabe, K., K. Seike, R. Kajihara, S. Montani, and T. Kuwae. 2019. Relative sea-level change regulates organic carbon accumulation in coastal habitats. Global Change Biology 25(3): 1063-1077, https://doi.org/10.1111/gcb.14558. Open Access

09) Okada, T., Y. Mito, E. Iseri, T. Takahashi, T. Sugano, Y. B. Akiyama, K. Watanabe, T. Tanaya, H. Sugino, K. Tokunaga, T. Kubo, and T. Kuwae. 2019. Method for the quantitative evaluation of ecosystem services in coastal regions. PeerJ 6: e6234, https://doi.org/10.7717/peerj.6234. Open Access

08) Shoji, A., K. H. Elliott, S. Aris-Brosou, H. Mizukawa, S. M. M. Nakayama, Y. Ikenaka, M. Ishizuka, T. Kuwae, K. Watanabe, J. Escoruela Gonzalez, and Y. Watanuki. 2019. Biotransport of Metallic Trace Elements from Marine to Terrestrial Ecosystems by Seabirds. Environmental Toxicology and Chemistry 38(1): 106-114, https://doi.org/10.1002/etc.4286.

07) Tanaya, T., K. Watanabe, S. Yamamoto, C. Hongo, H. Kayanne, and T. Kuwae. 2018. Contributions of the direct supply of belowground seagrass detritus and trapping of suspended organic matter to the sedimentary organic carbon stock in seagrass meadows. Biogeosciences 15(13): 4033-4045, https://doi.org/10.5194/bg-15-4033-2018. Open Access

06) Watanabe, K., K. Fukuzaki, K. Fukushima, M. Aimoto, T. Yoshioka, and Y. Yamashita. 2018. Iron and fluorescent dissolved organic matter in an estuarine and coastal system in Japan. Limnology 19(2): 229-240, https://doi.org/10.1007/s10201-017-0536-9.

05) Watanabe, K., A. Kasai, K. Fukuzaki, M. Ueno, and Y. Yamashita. 2017. Estuarine circulation-driven entrainment of oceanic nutrients fuels coastal phytoplankton in an open coastal system in Japan. Estuarine, Coastal and Shelf Science 184: 126-137, https://doi.org/10.1016/j.ecss.2016.10.031.

04) Watanabe, K. and T. Kuwae. 2015. Radiocarbon isotopic evidence for assimilation of atmospheric CO2 by the seagrass Zostera marina. Biogeosciences 12(20): 6251-6258, https://doi.org/10.5194/bg-12-6251-2015. Open Access  Press release

03) Watanabe, K. and T. Kuwae. 2015. How organic carbon derived from multiple sources contributes to carbon sequestration processes in a shallow coastal system? Global Change Biology 21(7): 2612-2623, https://doi.org/10.1111/gcb.12924. Open Access  Press release

02) Tokoro, T., S. Hosokawa, E. Miyoshi, K. Tada, K. Watanabe, S. Montani, H. Kayanne, and T. Kuwae. 2014. Net uptake of atmospheric CO2 by coastal submerged aquatic vegetation. Global Change Biology 20(6): 1873-1884, https://doi.org/10.1111/gcb.12543. Open Access  Press release

01) Watanabe, K., A. Kasai, E. S. Antonio, K. Suzuki, M. Ueno, and Y. Yamashita. 2014. Influence of salt-wedge intrusion on ecological processes at lower trophic levels in the Yura Estuary, Japan. Estuarine, Coastal and Shelf Science 139: 67-77, https://doi.org/10.1016/j.ecss.2013.12.018. Open Access

B01) Tokoro, T., K. Watanabe, K. Tada, and T. Kuwae. 2019. Air-Water CO2 Flux in Shallow Coastal Waters: Theory, Methods, and Empirical Studies. In: Blue Carbon in Shallow Coastal Ecosystems: Carbon Dynamics, Policy, and Implementation (eds T. Kuwae, M. Hori), Springer Nature, Singapore, pp.153-184, https://doi.org/10.1007/978-981-13-1295-3_6. Book Chapter

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Port and Airport Research Institute

3-1-1 Nagase,Yokosuka City, Kanagawa Prefecture, 239-0826 Japan　　Phone +81-46-844-5010

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