*Motosuke Kinoshita¹, Yuichi Onda², Soo Youn Nam³, Hiroaki Kato², Takashi Gomi³, Chen-wei Chiu³, Keisuke Taniguchi⁴ (1.University of Tsukuba, 2.Center for Research in Isotopes and Environmental Dynamics, University of TSUKUBA, 3.Tokyo University of Agriculture and Technology Institute of Agriculture Division of International Environmental and Agricultural Science, 4.Fukushima Prefectural Centre for Environmental Creation)

*fumiaki makino¹, Yuichi Onda³, Keisuke Taniguchi², Mitbaa Slim⁴, Yoshifumi Wakiyama⁵, Hiroaki Kato³ (1.university of Tsukuba, 2.Center for Environmental Creation Fukushima Prefecture, 3.Center for Research on Isotopes and Environmental Dynamics, University of Tsukuba, 4.Forest Research and Managment Organization, 5.Isotope of Environmental Radioacitivity, Fukushima Univesity)

*Zul Hilmi Saidin^1,2, Yuichi Onda², Hiroaki Kato², Janice E. Hudson², Kazuki Nanko³, Delphis F. Levia^4,5 (1.Graduate School of Life and Environmental Sciences, University of Tsukuba, Japan, 2.Center for Research on Isotopes and Environmental Dynamics, University of Tsukuba, Japan, 3.Department of Disaster Prevention, Meteorology and Hydrology, Forestry and Forest Products Research Institute, Japan, 4.Department of Geography and Spatial Sciences, University of Delaware, Newark, Delaware, USA, 5.Department of Plant and Soil Sciences, University of Delaware, Newark, Delaware, USA)

*Hikaru Iida¹, Hiroaki Kato¹, Tomoki Shinozuka¹, Satoru Akaiwa¹, Tatsuya Yokoyama¹, Sean Hudson¹, Janice Hudson¹, Yuichi Onda¹ (1.Center for Research in Isotopes and Environmental Dynamics, University of Tsukuba)

*Tomoki Shinozuka¹, Hiroaki Kato², Yuichi Onda², Satoru Akaiwa¹ (1.Doctoral Program in Integrative Environment and Biomass Sciences, Graduate School of Life and Environmental Sciences, University of Tsukuba, 2.Center for Research on Isotope and Environmental Dynamics, University of Tsukuba)

*Satoru Akaiwa¹, Hiroaki Kato², Yuichi Onda², Tomoki Shinozuka¹ (1.Doctoral Program in Integrative Environment and Biomass Sciences, University of Tsukuba, 2.Center for Research in Isotopes and Environmental Dynamics, University of Tsukuba)