2:15 PM - 2:30 PM
*Yasuhiko T. Yamaguchi1, Yusuke Okazaki2, Koichi Shimotori3, Akio Imai3, Kazuhide Hayakawa1 (1.Lake Biwa Environmental Research Institute, 2.Institute for Chemical Research, Kyoto University, 3.NIES Lake Biwa Branch Office, National Institute for Environmental Studies)