The article discusses how the ecosystem services of Tai Lake have changed over the past 10 years. Researchers used a mix of economic and ecological methods to estimate the value of these services. They found that the total value of ecosystem services increased over time, except in 2007. The main functions of the lake shifted from water supply to transportation and then to tourism. This shows how the lake's services have evolved and highlights the importance of understanding and valuing ecosystem services for sustainable management.