观鸟者镜头里的北京：翅尖掠动藏着生态变迁“绿”动

Core Insights - The article highlights the significant ecological improvements in Beijing, particularly through the activities of the "Shanhai Shibei" birdwatching group, which has grown to over 700 members and serves as a reflection of the city's ecological transformation [1][2]. Group 1: Ecological Changes - The birdwatching group's observations indicate a direct correlation between bird species changes and the enhancement of Beijing's ecological system, with a forest coverage rate reaching 44.95% by the end of 2024 [2]. - The city's park green space service radius exceeds 92.92%, showcasing a substantial increase in greenery compared to the 1.3% forest coverage at the founding of New China [2]. - Through two rounds of afforestation projects, the forest coverage in urban areas has increased by 7 percentage points, with the plain area coverage doubling from 14.85% to 31.4% [2]. Group 2: Biodiversity and Habitat - Beijing has developed a connected forest ecological network, transforming isolated ecological islands into expansive habitats, with five major rivers providing migration routes for birds [4]. - The city has recorded 527 bird species, representing over one-third of China's total bird species, ranking second among G20 capitals, with eight new species identified [4]. - The construction of over 2,600 brush piles and 7,800 artificial bird nests has created ideal habitats for various bird species [4]. Group 3: Community Engagement and Future Vision - The "Shanhai Shibei" birdwatching group not only documents ecological changes but also acts as ecological guardians, contributing to the city's vision of harmonious coexistence between nature and urban life [5]. - The article emphasizes the shift in ecological construction from merely increasing green spaces to fostering vibrant ecosystems, reflecting a broader commitment to biodiversity [5].