从劣V类到Ⅲ类，济南白云湖重现“江北明珠”风采

Core Viewpoint - The transformation of Baiyun Lake from an ecologically degraded area to a thriving national wetland park is attributed to systematic ecological protection and restoration efforts by the local government, which include pollution control, habitat restoration, and biodiversity enhancement [1][3][5]. Group 1: Ecological Restoration Efforts - Baiyun Lake's water quality improved from Class V to Class III between 2006 and 2025, with significant biodiversity increases, including 145 bird species and 223 plant species [1][6]. - The local government has invested 124.27 million yuan in flood control and drainage projects, clearing 566,000 cubic meters of sediment and restoring 20,000 mu of wetland area [6][7]. - A total investment of 350 million yuan has been allocated for the comprehensive cleanup of 1,544 fish ponds around the lake, restoring wetland areas to over 26,000 mu [7]. Group 2: Pollution Control Measures - The local government has shut down over 2,600 illegal plastic recycling operations around Baiyun Lake, addressing significant pollution sources [4][5]. - Agricultural practices have been adjusted to reduce chemical fertilizer and pesticide use, thereby mitigating nutrient pollution in the lake [4][5]. - A comprehensive management system has been established to monitor and enforce environmental regulations, ensuring ongoing protection of the wetland ecosystem [9][10]. Group 3: Community Engagement and Education - The Baiyun Lake National Wetland Park has implemented educational programs and community activities to raise awareness about wetland conservation, reaching over 15,000 participants [10][14]. - A reporting mechanism has been established to encourage public involvement in protecting the wetland from harmful activities [10][14]. - The park management has focused on integrating ecological tourism and educational initiatives to foster a deeper connection between the community and the wetland environment [10][14].