从“城市伤疤”到“生态之窗”

Core Viewpoint - The article highlights the successful ecological restoration and water environment governance in the Fengjia River basin of Beihai, Guangxi, showcasing a model for sustainable urban ecological development and biodiversity enhancement [2][3]. Group 1: Ecological Restoration Efforts - The Beihai municipal government initiated the Fengjia River water environment governance project in July 2017, addressing severe pollution caused by direct discharge from aquaculture and rainwater [2]. - The project involved systematic governance, including the removal of 363 direct discharge points, the clearance of nearly 2,000 acres of aquaculture pollution areas, and the construction of a 30-kilometer sewage interception network and 19 sewage treatment facilities [2]. - The governance efforts resulted in a reduction of 1,366 tons of major pollutants and a decrease of 16.5 million tons of sewage discharge, improving the water quality from "poor V class" to "better than IV class" [2]. Group 2: Biodiversity and Ecological Impact - The ecological restoration of the Fengjia River has been pivotal for the protection and restoration of mangroves, with Beihai City achieving the planting of 624 hectares and the restoration of 1,642.85 hectares of mangroves, surpassing the 2030 target of 4,600 hectares [3]. - The Beihai Coastal National Wetland Park, covering over 230 hectares of mangroves, has seen significant improvements in ecological functions and biodiversity, with 309 bird species recorded, including rare species like the spoon-billed sandpiper and black-winged kite [3][4]. - In 2023, the Jin Hai Bay mangrove wetland was designated as an international important wetland, further enhancing its ecological significance [3]. Group 3: Community Engagement and Education - The wetland park has introduced "Mangrove +" eco-tourism activities, engaging families and students in various ecological education programs, which have attracted numerous visitors [4]. - Community members, including families, participate in nature study activities, reflecting a shift from a polluted environment to a vibrant ecological classroom [4]. - The local government aims to explore mechanisms for realizing the value of ecological products, ensuring that a healthy ecological environment translates into widespread benefits for the community [4].