镜观·回响丨生态美，旅游兴——查干湖的绿色交响

Core Viewpoint - Chagan Lake, one of China's top ten freshwater lakes, is recognized for its rich ecological resources and sustainable tourism development, following significant ecological restoration efforts since the 1970s [1][4][7]. Group 1: Ecological Restoration and Management - Since the 1970s, local communities have actively engaged in ecological restoration, including the "Songhua River Diversion Project," which increased the lake's area from over 50 square kilometers to over 500 square kilometers [7][9]. - As of February 2025, Chagan Lake has implemented 24 wetland protection and restoration projects, enhancing ecological balance through various engineering and management measures [11]. - The water quality has consistently met Class IV standards for four consecutive years, with an annual fish yield of approximately 5,000 tons [13]. Group 2: Biodiversity and Wildlife Protection - The number of nationally protected bird species in Chagan Lake has increased from 8 to 17 for first-class species and from 35 to 52 for second-class species by November 2025 [16]. - The lake serves as a crucial stopover for migratory birds, with tens of thousands visiting annually, including rare species like the white stork and the eastern white stork [14][16]. Group 3: Tourism Development - Chagan Lake has diversified its tourism offerings by integrating seasonal festivals and cultural events, transforming from a winter-focused destination to a year-round attraction [22][27]. - In 2025, the lake received nearly 70,000 visitors, generating a total tourism revenue of 60.76 million yuan, a 30% increase year-on-year [30]. - The local economy has benefited from eco-tourism, with initiatives like the "Fish Industry" achieving sales exceeding 50 million yuan in 2023 and 2024 [30]. Group 4: Cultural Integration and Community Impact - The region has successfully combined ecological conservation with cultural tourism, hosting events that celebrate local fishing traditions and seasonal activities [24][32]. - The development of eco-tourism has improved the livelihoods of local residents, allowing them to enjoy a sustainable income from the natural resources [29].