*Shiori Matsumoto¹, Tsuyoshi Hattanji², Takuro Ogura³, Takahisa Furuichi⁴, Shoji Doshida⁵, Tanaka Yasushi⁶ (1.Graduate School of Science and Technology, University of Tsukuba, 2.Faculty of Life and Environment Sciences, University of Tsukuba, 3.Graduate School of Education, Hyogo University of Teacher Education, 4.Forestry and Forest Products Research Institute, 5.National Research Institute of Fire and Disaster, 6.Faculty of Letters, Komazawa University)