1. Faculty of Agricultural Production and Management, Shizuoka Professional University of Agriculture
2. Faculty of Informatics, Gunma University
3. Nagano Prefecture Forestry Research Center
4. Nagano Prefectural College of Forestry
5. The University of Hokkaido Forest, Graduate School of Agricultural and Life Sciences, The University of Tokyo
6. Ecosystem Function Research Section, Biodiversity Division, National Institute for Environmental Studies