这里为何被命名为翡翠湖？

Group 1 - The naming of "Emerald Lake" in Qingyuan City signifies the ecological value of the medium-sized reservoir and reflects the government's commitment to protecting livelihoods and the environment [1][2] - The reservoir has a control area of 28.4 square kilometers and a total capacity of 30.82 million cubic meters, serving as a vital drinking water source for the local population and a flood prevention barrier for the region [1] - The ecological system around Emerald Lake, which includes a 100,000-acre forest, plays a crucial role in maintaining biodiversity and water quality in the Pearl River basin [2] Group 2 - The government has implemented strict measures to protect the water source, including defining protection zones and enforcing project approval limits, demonstrating a commitment to safeguarding the ecological value of Emerald Lake [3] - The community's involvement is essential for the ongoing protection of the lake, emphasizing the need for public awareness and responsibility in preserving natural resources [3] - The lake serves as a symbol of the ecological foundation for the integration of Qingyuan and Guangzhou, highlighting the importance of sustainable development in the region [3]