1. College of Landscape Architecture and Horticulture, Southwest Forestry University, Kunming, China
2. Southwest Research Centre for Landscape Architecture Engineering, National Forestry and Grassland Administration, Kunming, China
3. School of Geography and Ecotourism, Southwest Forestry University, Kunming, China
4. Southwest Research Centre for Eco-civilization, National Forestry and Grassland Administration, Kunming, China