Fig. 1. Topographic and hydrographic map of the study area

Fig. 2. Conceptual framework of water ecosystem service evaluation in the study area

Fig. 3. Water supply map of each district (county) of the upper reaches of the study area

Fig. 4. Power generation and power supply of hydropower stations in the upper reaches of the study area

Fig. 5. Production status of aquatic products in each district (county) of the study area

Fig. 6. Income from tourism resources in the study area

Fig. 7. Value of recreational activities of water ecotourism of the study area

Fig. 8. Soil conservation value of the study area

Fig. 9. Biodiversity value of the study area

Fig. 10. Annual average sediment transport value of the study area

Fig. 11. Annual average sediment transport value of the study area

Fig. 12. Value of water purification in the study area

Fig. 13. Value of carbon fixation and oxygen release in the study area

Fig. 14. Radar map of ecosystem service value in the study area

Fig. 15. Ratio of ecosystem service value in each district (county) of the study area