[A-OS20] Biogeochemical and Ecological Processes in the Open Ocean

[AOS20-P04] Short-term Variability in the Contribution of the Nitrogen-Fixing Cyanobacterium UCYN-A to Sinking Particles in the Sea of Japan

*Takehiro Shimonaka¹, Shigeyoshi Otosaka², Taku Wagawa³, Itsuka Yabe⁴, Taketoshi Kodama¹, Kazutaka Takahashi¹ (1. Graduate School of Agricultural and Life Sciences, The University of Tokyo, 2. Atmosphere and Ocean Research Institute, The University of Tokyo, 3. Fisheries Resources Institute, Japan Fisheries Research and Education Agency, 4. Tokyo University of Marine Science and Technology)

Keywords:biological carbon pump, diazotroph, UCYN-A, Sea of Japan