1. Institute of Natural and Environmental Sciences University of Hyogo Sanda City Japan
2. The Museum of Nature and Human Activities, Hyogo Sanda Japan
3. Forestry Research Institute Hokkaido Research Organization Bibai Japan
4. Doto Station, Forestry Research Institute Hokkaido Research Organization Shintoku Japan
5. Center for Forest Damage and Risk Management Forestry and Forest Products Research Institute Ibaraki Japan