11:15 AM - 11:30 AM
*Yoshifumi Wakiyama1, Yuichi Onda2, Varentine Golosov3,4, Alexei Konoplev1, Yasunori Igarashi1, Tsugiko Takase1 (1.Institute of Environmental Radioacitivity, Fukushima Universiy, 2.Center for Research in Isotopes and Environmental Dynamics, University of Tsukuba, 3.Institute of Ecology and Environment, Kazan Federal University, 4.Faculty of Geography, Lomonosov Moscow State University)