2:30 PM - 2:45 PM
*Kazuki Yanagiya1, Masato Furuya2, Go Iwahana3,4, Petr Danilov5 (1.Graduate School of Science, Hokkaido University, 2.Department of Earth and Planetary Sciences, Hokkaido University, 3.International Arctic Research Center, University of Alaska Fairbanks, 4.Arctic Research Center, Hokkaido University, 5.Institute of Northern Applied Ecology North-Eastern Federal University in Yakutsk)