11:45 AM - 12:00 PM
*Keitaro Yamada1, Takayuki Omori2, Ikuko Kitaba1, Hirofumi Asahi3, Takeshi Nakagawa1 (1.Research Centre for Palaeoclimatology, Ritsumeikan University, 2.The University Museum, The University of Tokyo, 3.Fukui Prefectural Satoyama-Satoumi Research Institute)