较上轮调查增加12701只 增幅约15%

Core Viewpoint - The tenth round of the winter waterbird survey in the Chengdu Plain shows a significant increase in the number of wintering waterbirds, indicating improvements in the wetland ecological environment [3][4]. Group 1: Survey Results - The latest survey recorded a total of 98,935 wintering waterbirds, an increase of 12,701 birds or approximately 15% compared to the previous survey, which recorded 86,234 birds [4]. - The survey identified 71 species of wintering waterbirds, including three species under national first-class protection and eight species under national second-class protection [3][4]. Group 2: Survey Methodology - The survey was conducted in alignment with national and provincial monitoring efforts, ensuring consistency in data collection methods and survey areas [3]. - The survey covered six cities in the Chengdu Plain, including Chengdu, Deyang, Mianyang, Meishan, Leshan, and Ya'an, with a total of 69 survey units established [3].