1. College of Forestry, Central South University of Forestry & Technology, Changsha 410004, China
2. Academic Affairs Office, Hunan Open University, Changsha 410004, China
3. College of National Park and Tourism, Central South University of Forestry & Technology, Changsha 410004, China
4. National Forestry and Grassland Administration State Forestry Administration Engineering Research Center for Forest Tourism, Changsha 410004, China
5. College of Economics and Management, Hunan Open University, Changsha 410004, China
6. Principal’s Office, Hunan Polytechnic of Environment and Biology, Hengyang 421005, China