Affiliation: | 1.Graduate School of Agriculture, Hokkaido University, Sapporo, 060-8589, Hokkaido, Japan ;2.The University of Tokyo Chichibu Forest, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Chichibu, 368-0034, Japan ;3.The University of Tokyo Chiba Forest, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Kamogawa, 299-5503, Chiba, Japan ;4.Environmental Sciences Laboratory, Faculty of Social and Information Studies, Gunma University, 4-2 Aramaki, Maebashi, 371-8510, Gunma, Japan ;5.Hokkaido Research Center, Forestry and Forest Products Research Institute of the Forest Research and Management Organization, 7 Hitsujigaoka, Toyohira, Sapporo, Hokkaido, 062-8516, Japan ;6.Institute of Low Temperature Science, Hokkaido University, Sapporo, 060-0819, Japan ; |