Japan Geoscience Union Meeting 2025

Mariko Iijima

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Speaker, Author, Co-Author

Thu. May 29, 2025 10:45 AM - 12:15 PM Exhibition Hall Special Setting (2) (Exhibition Hall 7&8, Makuhari Messe)

  • [E] Oral
  • | A (Atmospheric and Hydrospheric Sciences )
  • | A-HW Hydrology & Water Environment

[A-HW27] Biodiversity, nutrients and other materials in ecosystems from headwaters to coasts

11:30 AM - 11:45 AM

[AHW27-10] Assessment of environmental impacts using nitrogen stable isotope ratios of seaweeds and terrestrial groundwater samples from in Sekisei Lagoon, Okinawa

*Nanoka Hirata1, Takahiro Hosono2, Takatomo Ikehara3, Ko Yasumoto4, Jun Yasumoto5, Mariko Iijima6, Ryuichi Shinjo7 (1.Kumamoto University, 2.Faculty of Advanced Science and Technology, Kumamoto University, 3.Graduate School of Science and Technology, 4.Kitasato University School of Marine Biosciences, 5.University of the Ryukyus, Faculty of Agriculture , 6.National Institute of Advanced Industrial Science and Technology , 7.Research Institute for Humanity and Nature)

12:00 PM - 12:15 PM

[AHW27-12] Phosphate Loading From a Freshwater Lens and Its Contribution to Exchangeable Phosphate in Seawater: Implications for Coral Reef Ecosystems

*Jun Yasumoto1,2, Leong Chris1, Ko Yasumoto3, Minami Ryusei5, Song Ke-Han6, Mariko Iijima4, Takahiro Hosono7, Makoto Taniguchi1, Ryuichi Shinjo1 (1.Research Institute for Humanity and Nature, 2.Faculty of Agriculture, University of the Ryukyus, 3.School of Marine Biosciences, Kitasato University, 4.National Institute of Advanced Industrial Science and Technology (AIST), 5.Graduate School of Agriculture, 6.Faculty of Science, University of the Ryukyus, 7.International Research Organization for Advanced Science and Technology, Kumamoto University)

Thu. May 29, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

  • [E] Poster
  • | A (Atmospheric and Hydrospheric Sciences )
  • | A-HW Hydrology & Water Environment

[A-HW27] Biodiversity, nutrients and other materials in ecosystems from headwaters to coasts

5:15 PM - 7:15 PM

[AHW27-P15] Relationship between Exchangeable Phosphate in Seawater (EPS) in sediment and coral reef abundance in Sekisei Lagoon

*Alice Yamazaki1, Toma Tanigami1, Ryota Ide1, Nanami Nizusawa1, Shugo Watabe1, Mariko Iijima2, Takahiro Hosono3, Jun Yasumoto4, Takashi Nakamura5, Ko Yasumoto1 (1.Kitasato university School of Marine Biosciences, 2.The National Institute of Advanced Industrial Science and Technology, 3.Faculty of Advanced Science and Technology, Kumamoto University, 4.University of Ryukyus, Faculty of Agriculture, 5.University of Ryukyus, Faculty of Science)

5:15 PM - 7:15 PM

[AHW27-P16] Assessment of Terrestrial Influence on Coral Reef Abundance through Microbial Community Analysis and Exchangeable Phosphate in Seawater for Sediments in Sekisei Lagoon

*Toma Tanigami1, Nanami Mizusawa1, Alice Yamazaki1, Ryota Ide1, Shugo Watabe1, Mariko Iijima2, Jun Yasumoto3, Takashi Nakamura4, Takahiro Hosono5, Ko Yasumoto1 (1.Kitasato university School of Marine Biosciences, 2.National Institute of Advanced Industrial Science and Technology, 3.University of the Ryukyus, Faculty of Agriculture, 4.University of the Ryukyus, Faculty of Science, 5.Faculty of Advanced Science and Technology, Kumamoto University)