Research keywords (11):
Arctic Ocean
, paleoceanography
, paleoenvironment
, biological oceanography
, Settling particles, sinking particles, marine snow
, microfossils
, ebridian, ebria
, silicoflagellates
, diatoms
, Micropaleontology
, Oceanography
The Japanese Society of Diatomology
, Association for the Sciences of Limnology and Oceanography
, american geophysical union
, THE JAPANESE SOCIETY OF PHYCOLOGY
, PALAEONTOLOGICAL SOCIETY OF JAPAN
, THE OCEANOGRAPHIC SOCIETY OF JAPAN