*Shin'ichi Iida¹, Takanori Shimizu¹, Yoshinori Shinohara², Tomo'omi Kumagai³, Darryl E. Carlyle-Moses⁴, Delphis F. Levia⁵ (1.Forestry and Forest Products Research Institute, 2.University of Miyazaki, 3.University of Tokyo, 4.Thompson Rivers University, 5.University of Delaware)