Objective
Observation of Megarodicopia Hians in Toyama Bay using AVM (around view monitor) system for Habitat Distribution Analysis ; Integrated scientific expedition for Toyama Trough (Phase III): Numerical simulation of “Yorimawari Wave”and bio-geography of Megalodicopia hians ; Observation and analysis of methane plumes and gigantic collapse structures in the methane hydrate bearing area off Joetsu, eastern margin of Japan sea