This research was supported by the National Social Science Foundation (No. 21BGL154), Hunan Social Science Foundation (No. 19YBA377), National Education Ministry New Liberal Arts Research and Reform Practice Project (No. 2021090068), Hunan Forestry Science and Technology Innovation Fund Project (No. XLKY202219), Hunan Science and Technology Commissioner Serving Rural Revitalization Project (No. 2021NK4274), and Hunan Education Science 14th Five-Year Plan Project (No. XJK21BGD004).