Core Viewpoint - The event organized by the Hanzhong Municipal Agricultural and Rural Bureau aims to enhance biodiversity and improve water quality through the release of 450,000 fish fry into Qixing Lake [1] Group 1: Event Details - The economic fish species released include grass carp, silver carp, and bighead carp [1] - The release process follows standardized management to ensure scientific, effective, and safe implementation [1] Group 2: Ecological Impact - Hanzhong City has implemented a ten-year fishing ban on the Yangtze River, promoting ecological governance and restoration in the Han River and Jialing River basins [1] - Over 10 million economic fish fry have been released cumulatively, leading to a steady increase in fishery resources [1] - The establishment of 17 aquatic biological resource monitoring stations has resulted in an increase in monitored aquatic species from 63 to 75, indicating a gradual recovery of biodiversity [1] Group 3: Future Implications - The release activity is expected to restore natural fishery resources in Qixing Lake, improve regional water quality, enhance self-purification capacity of water bodies, and promote sustainable utilization of fishery resources [1]