*Hitoshi Nagao¹, shogo hayashi¹, kazuaki hashimoto¹, satoru suzuki², toshihiro yamada³ (1. West Nippon Expressway Engineering Shikoku Company, 2. National Research and Development Agency Forestry and Forest Products Research Institute, 3. The University of Tokyo Graduate School of Agricultural and Life Sciences)

*Hiroaki Shiraishi¹, Obata Kazuo², Makino Takashi³, Tsumura Yoshihiko⁴ (1. Okumura Corporation, 2. Ibaraki Nature Museum, 3. TOHOKU UNIVERSITY, 4. University of Tsukuba)

*Saya Hojo¹, Yutaka Ikeda¹, Hiroshi Hata¹ (1. HAZAMA ANDO CORPORATION)

*Ayaka Matsumiya¹, Tomohiro Uchiike¹, Makoto Yaneshita¹, Keita Watanabe¹ (1. Taisei Corporation)

*Kazuya Yokota¹, Isao Kobayashi¹, Yoshikazu Morimoto¹, Toshikazu Tatematsu¹, Youko Ono², Azuma Hidetoshi² (1. PACIFIC CONSULTANTS CO., LTD., 2. Hokkaido Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism)

*nobutaka maki¹, kimihito toki¹, hiromi mitsui¹, natsuki ueda¹, hiromasa onikubo¹, yuki watanabe¹ (1. PACIFIC CONSULTANTS CO., LTD.)

*ISAO KOBAYASHI¹, Hiroyuki Yamada², Atsuko Katou³, Kazuchika Manabe⁴, Keisuke Saito⁵, Yukiko Watanabe⁶, Kohei Ogasawara⁷ (1. PACIFIC CONSULTANTS CO., LTD., 2. PACIFIC CONSULTANTS CO., LTD., 3. PACIFIC CONSULTANTS CO., LTD., 4. NIHON UNIVERSITY, 5. INSTITUTE FOR RAPTOR BIOMEDICINE JAPAN, 6. INSTITUTE FOR RAPTOR BIOMEDICINE JAPAN, 7. INSTITUTE FOR RAPTOR BIOMEDICINE JAPAN)

*Shu Tajika¹, Taira Ozaki² (1. Kansai University, 2. Kansai University)