The "Water Resources Protection Plan for Two-Rivers Area" focuses on safeguarding the Liuyang River in Changsha County and the Laodaohe River. Scientists did a survey to check water quality and pollution levels in the area to set goals for improving the rivers. They figured out where the major polluting stuff was coming from and made a plan to control it better. By understanding how much pollution the rivers could handle, they came up with a way to manage the pollution levels. Experts considered the unique features of the rivers and came up with ways to protect the water resources better.