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